Belden (BDC) 10-K 13 Feb 24 2023 FY Annual report Financial data

Cover

Cover - USD ($)	12 Months Ended
	Dec. 31, 2023	Feb. 07, 2024	Jul. 02, 2023
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-12561
Entity Registrant Name	BELDEN INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	36-3601505
Entity Address, Address Line One	1 North Brentwood Boulevard
Entity Address, Address Line Two	15th Floor
Entity Address, City or Town	St. Louis
Entity Address, State or Province	MO
Entity Address, Postal Zip Code	63105
City Area Code	314
Local Phone Number	854-8000
Title of 12(b) Security	Common Stock, $0.01 par value per share
Trading Symbol	BDC
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity File Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging growth company	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Public Float			$ 3,093,598,658
Entity Common Stock, Shares Outstanding		41,085,542
Documents Incorporated by Reference	The registrant intends to file a definitive proxy statement for its annual meeting of stockholders within 120 days of the end of the fiscal year ended December 31, 2023 (the “Proxy Statement”). Portions of such proxy statement are incorporated by reference into Part III.
Amendment Flag	false
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Entity Central Index Key	0000913142

Audit Information

Audit Information	12 Months Ended
	Dec. 31, 2023
Auditor Information [Abstract]
Auditor Name	Ernst & Young LLP
Auditor Location	St. Louis, MO
Auditor Firm ID	42

Consolidated Balance Sheets

Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 597,044	$ 687,676
Receivables, net	413,806	440,102
Inventories, net	366,987	341,563
Other current assets	79,142	66,866
Total current assets	1,456,979	1,536,207
Property, plant and equipment, less accumulated depreciation	451,069	381,864
Operating lease right-of-use assets	89,686	73,376
Goodwill	907,331	862,253
Intangible assets, less accumulated amortization	269,144	246,830
Deferred income taxes	15,739	14,642
Other long-lived assets	50,243	46,503
Segment assets	3,240,191	3,161,675
Current liabilities:
Accounts payable	343,215	350,058
Accrued liabilities	290,289	289,861
Total current liabilities	633,504	639,919
Long-term debt	1,204,211	1,161,176
Postretirement benefits	74,573	67,828
Deferred income taxes	49,472	58,582
Long-term operating lease liabilities	74,941	59,250
Other long-term liabilities	37,188	30,970
Stockholders’ equity:
Common stock, par value $0.01 per share— 200,000 shares authorized; 50,335 shares issued; 41,127 and 42,833 shares outstanding at 2023 and 2022, respectively	503	503
Additional paid-in capital	818,663	825,669
Retained earnings	985,807	751,522
Accumulated other comprehensive loss	(41,279)	(5,871)
Treasury stock, at cost— 9,208 and 7,502 shares at 2023 and 2022, respectively	(597,437)	(428,812)
Total Belden stockholders’ equity	1,166,257	1,143,011
Noncontrolling interest	45	939
Total stockholders’ equity	1,166,302	1,143,950
Total liabilities and stockholders' equity	$ 3,240,191	$ 3,161,675

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - $ / shares shares in Thousands	Dec. 31, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	200,000	200,000
Common stock, shares issued (in shares)	50,335	50,335
Common stock, shares outstanding (in shares)	41,127	42,833
Treasury stock, shares (in shares)	9,208	7,502

Consolidated Statements of Oper

Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Revenues	$ 2,512,084	$ 2,606,485	$ 2,301,260
Cost of sales	(1,557,118)	(1,690,196)	(1,529,417)
Gross profit	954,966	916,289	771,843
Selling, general and administrative expenses	(492,702)	(448,636)	(378,027)
Research and development expenses	(116,427)	(104,350)	(90,227)
Amortization of intangibles	(40,375)	(37,860)	(30,630)
Asset impairments	0	0	(9,283)
Gain on sale of assets	12,056	37,891	0
Operating income	317,518	363,334	263,676
Interest expense, net	(33,625)	(43,554)	(62,693)
Loss on debt extinguishment	0	(6,392)	(5,715)
Non-operating pension benefit	1,863	4,005	4,476
Gain on sale of note receivable	0	0	27,036
Income from continuing operations before taxes	285,756	317,393	226,780
Income tax expense	(43,200)	(49,645)	(27,939)
Income from continuing operations	242,556	267,748	198,841
Loss from discontinued operations, net of tax	0	(3,685)	(136,384)
Gain (loss) from disposal of discontinued operations, net of tax	0	(9,241)	1,860
Net income	242,556	254,822	64,317
Less: Net income (loss) attributable to noncontrolling interest	(203)	159	392
Net income attributable to Belden common stockholders	$ 242,759	$ 254,663	$ 63,925
Weighted average number of common shares and equivalents:
Basic (in shares)	42,237	43,845	44,802
Diluted (in shares)	42,859	44,537	45,361
Basic income (loss) per share attributable to Belden common stockholders:
Continuing operations (in dollars per share)	$ 5.75	$ 6.10	$ 4.43
Discontinued operations (in dollars per share)	0	(0.08)	(3.04)
Disposal of discontinued operations (in dollars per share)	0	(0.21)	0.04
Net income (in dollars per share)	5.75	5.81	1.43
Diluted income (loss) per share attributable to Belden common stockholders:
Continuing operation (in dollars per share)	5.66	6.01	4.37
Discontinued operations (in dollars per share)	0	(0.08)	(3.04)
Disposal of discontinued operations (in dollars per share)	0	(0.21)	0.04
Net income (in dollars per share)	$ 5.66	$ 5.72	$ 1.41

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 242,556	$ 254,822	$ 64,317
Foreign currency translation, net of tax	(24,566)	39,509	88,290
Adjustments to pension and postretirement liability, net of tax	(10,838)	25,171	31,572
Other comprehensive income (loss), net of tax	(35,404)	64,680	119,862
Comprehensive income	207,152	319,502	184,179
Less: Comprehensive income (loss) attributable to noncontrolling interest	(199)	144	(1,031)
Comprehensive income attributable to Belden	$ 207,351	$ 319,358	$ 185,210

Consolidated Cash Flow Statemen

Consolidated Cash Flow Statements - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net income	$ 242,556	$ 254,822	$ 64,317
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	99,446	88,738	87,988
Share-based compensation	21,024	23,676	24,871
Loss on debt extinguishment	0	6,392	5,715
Asset impairments	0	0	140,461
Deferred income tax expense (benefit)	(12,957)	(627)	3,575
Gain on sale of assets	(12,056)	(37,891)	0
Changes in operating assets and liabilities, net of the effects of exchange rate changes, acquired businesses, and disposals:
Receivables	24,527	(33,605)	(119,012)
Inventories	(15,331)	5,558	(92,984)
Accounts payable	(8,175)	(20,595)	135,666
Accrued liabilities	(16,292)	(5,416)	61,241
Income taxes	(3,668)	2,335	(6,448)
Other assets	(9,314)	2,881	(12,693)
Other liabilities	9,878	(4,972)	(20,642)
Net cash provided by operating activities	319,638	281,296	272,055
Cash flows from investing activities:
Capital expenditures	(116,731)	(105,094)	(90,982)
Cash used for acquisitions and investments, net of cash acquired	(106,712)	(104,603)	(73,340)
Purchase of intangible assets	0	0	(3,650)
Proceeds from disposal of businesses, net of cash sold	9,300	334,574	45,735
Proceeds from disposal of tangible assets	13,785	43,534	30,234
Net cash provided by (used for) investing activities	(200,358)	168,411	(92,003)
Cash flows from financing activities:
Payments under share repurchase program	(192,135)	(150,000)	0
Withholding tax payments for share-based payment awards	(17,444)	(7,186)	(5,570)
Cash dividends paid	(8,498)	(8,949)	(9,056)
Payments under financing lease obligations	(423)	(157)	(3,151)
Payments under borrowing arrangements	0	(230,639)	(360,304)
Debt issuance costs paid	0	0	(8,173)
Payments to noncontrolling interest holders	0	0	(2,682)
Proceeds from issuance of common stock	6,568	3,717	0
Borrowings under credit arrangements	0	0	356,010
Net cash used for financing activities	(211,932)	(393,214)	(32,926)
Effect of foreign currency exchange rate changes on cash and cash equivalents	2,020	(12,574)	(5,363)
Increase (decrease) in cash and cash equivalents	(90,632)	43,919	141,763
Cash and cash equivalents, beginning of year	687,676	643,757	501,994
Cash and cash equivalents, end of year	$ 597,044	$ 687,676	$ 643,757

Consolidated Stockholders' Equi

Consolidated Stockholders' Equity Statements - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Non-controlling Interest
Common stock, beginning balance (in shares) at Dec. 31, 2020		50,335,000
Beginning balance at Dec. 31, 2020	$ 757,051	$ 503	$ 823,605	$ 450,876	$ (332,552)	$ (191,851)	$ 6,470
Treasury stock, beginning balance (in shares) at Dec. 31, 2020					(5,692,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	64,317			63,925			392
Other comprehensive income (loss), net of tax	119,862					121,285	(1,423)
Acquisition of noncontrolling interests	(2,253)		2,391				(4,644)
Retirement Savings Plan stock contributions	6,888		(652)		$ 7,540
Retirement Savings Plan stock contributions (in shares)					134,000
Exercise of stock options, net of tax withholding forfeitures	(487)		(1,615)		$ 1,128
Exercise of stock options, net of tax withholding forfeitures (in shares)					20,000
Conversion of restricted stock units into common stock, net of tax withholding forfeitures	$ (5,083)		(14,973)		$ 9,890
Conversion of restricted stock units into common stock, net of tax withholding forfeitures (in shares)					178,000
Share repurchase program, net of excise tax (in shares)	0
Share-based compensation	$ 24,871		24,871
Common stock dividends	(9,084)			(9,084)
Common stock, ending balance (in shares) at Dec. 31, 2021		50,335,000
Ending balance at Dec. 31, 2021	$ 956,082	$ 503	833,627	505,717	$ (313,994)	(70,566)	795
Treasury stock, ending balance (in shares) at Dec. 31, 2021					(5,360,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock dividends declared per share (usd per share)	$ 0.20
Net income (loss)	$ 254,822			254,663			159
Other comprehensive income (loss), net of tax	64,680					64,695	(15)
Common stock issuance	3,717		(2,775)		$ 6,492
Common stock issuance (in shares)					82,000
Retirement Savings Plan stock contributions	7,017		(1,551)		$ 8,568
Retirement Savings Plan stock contributions (in shares)					116,000
Exercise of stock options, net of tax withholding forfeitures	(1,606)		(4,875)		$ 3,269
Exercise of stock options, net of tax withholding forfeitures (in shares)					40,000
Conversion of restricted stock units into common stock, net of tax withholding forfeitures	$ (5,580)		(22,433)		$ 16,853
Conversion of restricted stock units into common stock, net of tax withholding forfeitures (in shares)					208,000
Share repurchase program, net of excise tax (in shares)	(2,600,000)				(2,588,000)
Share repurchase program, net of excise tax	$ (150,000)				$ (150,000)
Share-based compensation	23,676		23,676
Common stock dividends	$ (8,858)			(8,858)
Common stock, ending balance (in shares) at Dec. 31, 2022	42,833,000	50,335,000
Ending balance at Dec. 31, 2022	$ 1,143,950	$ 503	825,669	751,522	$ (428,812)	(5,871)	939
Treasury stock, ending balance (in shares) at Dec. 31, 2022	(7,502,000)				(7,502,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock dividends declared per share (usd per share)	$ 0.20
Net income (loss)	$ 242,556			242,759			(203)
Other comprehensive income (loss), net of tax	(35,404)					(35,408)	4
Sale and deconsolidation of Hite JV	(695)						(695)
Common stock issuance	6,568		28		$ 6,540
Common stock issuance (in shares)					116,000
Retirement Savings Plan stock contributions	7,798		2,347		$ 5,451
Retirement Savings Plan stock contributions (in shares)					94,000
Exercise of stock options, net of tax withholding forfeitures	(4,885)		(7,928)		$ 3,043
Exercise of stock options, net of tax withholding forfeitures (in shares)					82,000
Conversion of restricted stock units into common stock, net of tax withholding forfeitures	$ (12,558)		(22,477)		$ 9,919
Conversion of restricted stock units into common stock, net of tax withholding forfeitures (in shares)					255,000
Share repurchase program, net of excise tax (in shares)	(2,300,000)				(2,253,000)
Share repurchase program, net of excise tax	$ (193,578)				$ (193,578)
Share-based compensation	21,024		21,024
Common stock dividends	$ (8,474)			(8,474)
Common stock, ending balance (in shares) at Dec. 31, 2023	41,127,000	50,335,000
Ending balance at Dec. 31, 2023	$ 1,166,302	$ 503	$ 818,663	$ 985,807	$ (597,437)	$ (41,279)	$ 45
Treasury stock, ending balance (in shares) at Dec. 31, 2023	(9,208,000)				(9,208,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock dividends declared per share (usd per share)	$ 0.20

Consolidated Stockholders' Eq_2

Consolidated Stockholders' Equity Statements (Parenthetical) - $ / shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Stockholders' Equity [Abstract]
Common stock dividends declared per share (usd per share)	$ 0.20	$ 0.20	$ 0.20

Basis of Presentation

Basis of Presentation	12 Months Ended
	Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Basis of Presentation Business Description Belden Inc. (the Company, us, we, or our) is a leading global supplier of network infrastructure and digitization solutions built around two global businesses – Enterprise Solutions and Industrial Automation Solutions. We deliver the infrastructure that makes the digital journey simpler, smarter, and secure. We’re moving beyond connectivity, from what we make to what we make possible through a performance-driven portfolio, forward-thinking expertise and purpose-built solutions. Consolida tion The accompanying Consolidated Financial Statements include Belden Inc. and all of its subsidiaries. We eliminate all significant affiliate accounts and transactions in consolidation. Foreign Currency For international operations with functional currencies other than the United States (U.S.) dollar, we translate assets and liabilities at current exchange rates; we translate income and expenses using average exchange rates. We report the resulting translation adjustments, as well as gains and losses from certain affiliate transactions, in accumulated other comprehensive income (loss), a separate component of stockholders’ equity. We include exchange gains and losses on transactions in operating income. We determine the functional currency of our foreign subsidiaries based upon the currency of the primary economic environment in which each subsidiary operates. Typically, that is determined by the currency in which the subsidiary primarily generates and expends cash. We have concluded that the local currency is the functional currency for all of our material subsidiaries. Reporting Periods Our fiscal year and fiscal fourth quarter both end on December 31. Our fiscal first quarter ends on the Sunday falling closest to 91 days after December 31. Our fiscal second and third quarters each have 91 days. Use of Estimates in the Preparation of the Financial Statements The preparation of financial statements in conformity with accounting principles generally accepted in the U.S. requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, and operating results and the disclosure of contingencies. Actual results could differ from those estimates. We make significant estimates with respect to the collectability and valuation of receivables, the valuation of inventory, the realization of deferred tax assets, the valuation of goodwill and indefinite-lived intangible assets, the valuation of contingent liabilities, the calculation of share-based compensation, the calculation of pension and other postretirement benefits expense, and the valuation of acquired businesses.

Summary of Significant Accounti

Summary of Significant Accounting Policies	12 Months Ended
	Dec. 31, 2023
Accounting Policies [Abstract]
Summary of Significant Accounting Policies	Summary of Significant Accounting Policies Fair Value Measurement Accounting guidance for fair value measurements specifies a hierarchy of valuation techniques based upon whether the inputs to those valuation techniques reflect assumptions other market participants would use based upon market data obtained from independent sources or reflect our own assumptions of market participant valuation. The hierarchy is broken down into three levels based on the reliability of the inputs as follows: • Level 1 – Quoted prices in active markets that are unadjusted and accessible at the measurement date for identical, unrestricted assets or liabilities; • Level 2 – Quoted prices for identical assets and liabilities in markets that are not active, quoted prices for similar assets and liabilities in active markets, or financial instruments for which significant inputs are observable, either directly or indirectly; and • Level 3 – Prices or valuations that require inputs that are both significant to the fair value measurement and unobservable. During 2023, 2022, and 2021 we utilized Level 1 inputs to determine the fair value of cash equivalents and Level 2 and Level 3 inputs to determine the fair value of net assets acquired in business combinations (see Note 4) and for impairment testing (see Note 13). We did not have any transfers between Level 1 and Level 2 fair value measurements during 2023. Cash and Cash Equivalents We classify cash on hand and deposits in banks, including commercial paper, money market accounts, and other investments with an original maturity of three months or less, that we hold from time to time, as cash and cash equivalents. We periodically have cash equivalents consisting of short-term money market funds and other investments. As of December 31, 2023 and 2022, we did not have any such cash equivalents on hand. The primary objective of our investment activities is to preserve our capital for the purpose of funding operations. We do not enter into investments for trading or speculative purposes. Accounts Receivable and Revenue Reserves We classify amounts owed to us and due within twelve months, arising from the sale of goods or services and from other business activities, as current receivables. We classify receivables due after twelve months as other long-lived assets. At the time of sale, we establish an estimated reserve for trade, promotion, and other special price reductions such as contract pricing, discounts to meet competitor pricing, and on-time payment discounts. We also adjust receivable balances for, among other things, correction of billing errors, incorrect shipments, and settlement of customer disputes. Customers are allowed to return inventory if and when certain conditions regarding the physical state of the inventory and our approval of the return are met. Certain distribution customers are allowed to return inventory at original cost, in an amount not to exceed three percent of the prior year’s purchases, in exchange for an order of equal or greater value. Until we can process these reductions, corrections, and returns (together, the Changes) through individual customer records, we estimate the amount of outstanding Changes and recognize them by reducing revenues. We base these estimates on historical and anticipated sales demand, trends in product pricing, and historical and anticipated Changes patterns. We make revisions to these estimates in the period in which the facts that give rise to each revision become known. Future market conditions might require us to take actions to further reduce prices and increase customer return authorizations. Unprocessed Changes recognized against our gross accounts receivable, such as price reductions, at December 31, 2023 and 2022 totaled $26.0 million and $24.3 million, respectively. Unprocessed Changes recognized as accrued liabilities, such as product returns, at December 31, 2023 and 2022 totaled $15.6 million and $11.7 million, respectively. We are exposed to credit losses primarily through sales of products and services. Our expected loss allowance methodology for accounts receivable is developed using historical collection experience, current and future economic and market conditions and a review of the current status of customers' trade accounts receivables. Due to the short-term nature of such receivables, the estimate of amount of accounts receivable that may not be collected is based on aging of the accounts receivable balances and the financial condition of customers. Additionally, specific allowance amounts are established to record the appropriate provision for customers that have a higher probability of default. Our monitoring activities include timely account reconciliation, dispute resolution, payment confirmation, consideration of customers' financial condition and macroeconomic conditions. Balances are written off when dete rmined to be uncollectible. As of December 31, 2023 and 2022, the allowance for doubtful accounts totaled $23.1 million and $8.0 million, respectively. We also recognized bad debt expense, net of recoveries, in selling, general and administrative expenses of $15.6 million, $6.5 million, and $0.4 million in 2023, 2022, and 2021, respectively. Inventories and Related Reserves Inventories are stated at the lower of cost or net realizable value. We determine the cost of all raw materials, work-in-process, and finished goods inventories by the first in, first out method. Cost components of inventories include direct labor, applicable production overhead, and amounts paid to suppliers of materials and products as well as freight costs and, when applicable, duty costs to import the materials and products. We evaluate the realizability of our inventory on a product-by-product basis in light of historical and anticipated sales demand, technological changes, product life cycle, component cost trends, product pricing, and inventory condition. In circumstances where inventory levels are in excess of anticipated market demand, where inventory is deemed technologically obsolete or not saleable due to condition, or where inve ntory cost exceeds net realizable value, we record a charge to cost of sales and reduce the inventory to its net realizable value. The allowances for excess and obsolete inventories at December 31, 2023 and 2022 totaled $67.9 million and $45.9 million, respectively. Property, Plant and Equipment We record property, plant and equipment at cost. We calculate depreciation on a straight-line basis over the estimated useful lives of the related assets ranging from 10 to 40 years for buildings, 5 to 12 years for machinery and equipment, and 5 to 10 years for computer equipment and software. Construction in process reflects amounts incurred for property, plant and equipment not yet placed into service. We charge maintenance and repairs—both planned major activities and less-costly, ongoing activities—to expense as incurred. We capitalize interest costs associated with the construction of capital assets and amortize the costs over the assets’ useful lives. Depreciation expense is included in costs of sales; selling, general and administrative expenses; and research and development expenses in the Consolidated Statements of Operations based on the specific categorization and use of the underlying assets being depreciated. We review property, plant and equipment to determine whether an event or change in circumstances indicates the carrying values of the assets may not be recoverable. We base our evaluation on the nature of the assets, the future economic benefit of the assets, and any historical or future profitability measurements, as well as other external market conditions or factors that may be present. If such impairment indicators are present or other factors exist that indicate that the carrying amount of an asset may not be recoverable, we determine whether impairment has occurred through the use of an undiscounted cash flow analysis. If impairment has occurred, we recognize a loss for the difference between the carrying amount and the fair value of the asset. For purposes of impairment testing of long-lived assets, we have identified asset groups at the lowest level for which identifiable cash flows are largely independent of the cash flows of other assets and liabilities. Generally, our asset groups are based on an individual plant or operating facility level. In some circumstances, however, a combination of plants or operating facilities may be considered the asset group due to interdependence of operational activities and cash flows. Goodwill and Intangible Assets Our intangible assets consist of (a) definite-lived assets subject to amortization such as developed technology, customer relationships, in-service research and development, certain trademarks, backlog, and capitalized software intangible assets, and (b) indefinite-lived assets not subject to amortization such as goodwill and certain trademarks. We record amortization of the definite-lived intangible assets over the estimated useful lives of the related assets, which generally range from one year or less for backlog to more than 20 years for certain of our customer relationships. We determine the amortization method for our definite-lived intangible assets based on the pattern in which the economic benefits of the intangible asset are consumed. In the event we cannot reliably determine that pattern, we utilize a straight-line amortization method. We test our goodwill and other indefinite-lived intangible assets not subject to amortization for impairment on an annual basis as of our fiscal November month-end or when indicators of impairment exist. We base our estimates on assumptions we believe to be reasonable, but which are not predictable with precision and therefore are inherently uncertain. Actual future results could differ from these estimates. The accounting guidance related to goodwill impairment testing allows for the performance of an optional qualitative assessment of whether it is more likely than not that the fair value of a reporting unit is less than its carrying value. Such an evaluation is made based on the weight of all available evidence and the significance of all identified events and circumstances that may influence the fair value of a rep orting unit. If it is more likely than not that the fair value is less than the carrying value, then a quantitative assessment is required for the reporting unit, as described in the paragraph below. In 2023, we performed a qualitative assessment over three of our reporting units. For our annual impairment test in 2023, we performed a quantitative assessment for three of our reporting units. Under a quantitative assessment for goodwill impairment, we determine the fair value using the income approach (using Level 3 inputs). Under the income approach, we calculate the fair value of a reporting unit based on the present value of estimated future cash flows. If the fair value of the reporting unit exceeds the carrying value of the net assets including goodwill assigned to that unit, goodwill is not impaired. If the carrying value of the reporting unit’s net assets including goodwill exceeds the fair value of the reporting unit, then we record an impairment charge based on that difference. In addition to the income approach, we calculate the fair value of our reporting units under a market approach. The market approach measures the fair value of a reporting unit through analysis of financial multiples of comparable businesses. Consideration is given to the financial conditions and operating performance of the reporting unit being valued relative to those publicly-traded companies operating in the same or similar lines of business. Based on our annual goodwill impairment test, the excess fair value over the carrying value for the reporting units tested under the quantitative income approach ranged fr om 30% to 106%. Using both an income approach and market approach, we determined that there was no impairment during 2023. During 2022 and 2021, we did not recognize any goodwill impairment from continuing operations other than a $1.7 million impairment in 2021 in connection with the sale of an oil and gas business in Brazil. See Notes 5 for further discussion. We also evaluate indefinite lived intangible assets for impairment annually or at other times if events have occurred or circumstances exist that indicate the carrying values of those assets may no longer be recoverable. We compare the fair value of the asset with its carrying amount. If the carrying amount of the asset exceeds its fair value, we recognize an impairment loss in an amount equal to that excess. We did not recognize impairment charges for our indefinite lived intangible assets from continuing operations in 2023, 2022, or 2021. See Note 13 for further discussion. We review intangible assets subject to amortization whenever an event or change in circumstances indicates the carrying values of the assets may not be recoverable. We test intangible assets subject to amortization for impairment and estimate their fair values using the same assumptions and techniques we employ on property, plant and equipment. We did not recognize any impairment charges for amortizable intangible assets from continuing operations in 2023, 2022, or 2021 other than a $1.0 million impairment Pension and Other Postretirement Benefits Our pension and other postretirement benefit costs and obligations are dependent on the various actuarial assumptions used in calculating such amounts. These assumptions relate to discount rates, salary growth, long-term return on plan assets, health care cost trend rates, mortality tables, and other factors. We base the discount rate assumptions on current investment yields on high-quality corporate long-term bonds. The salary growth assumptions reflect our long-term actual experience and future or near-term outlook. We determine the long-term return on plan assets based on historical portfolio results and management’s expectation of the future economic environment. Our health care cost trend assumptions are developed based on historical cost data, the near-term outlook, and an assessment of likely long-term trends. Actual results that differ from our assumptions are accumulated and, if in excess of the lesser of 10% of the projected benefit obligation or the fair market value of plan assets, are amortized over the estimated future working life of the plan participants. Accrued Sales Rebates We grant incentive rebates to participating customers as part of our sales programs. The rebates are determined based on certain targeted sales volumes. Rebates are paid quarterly or annually in either cash or receivables credits. Until we can process these rebates through individual customer records, we estimate the amount of outstanding rebates and recognize them as accrued liabilities and reductions in our gross revenues. We base our estimates on both historical and anticipated sales demand and rebate program participation. We charge revisions to these estimates back to accrued liabilities and revenues in the period in which the facts that give rise to each revision become known. Future market conditions and product transitions might require us to take actions to increase sales rebates offered, possibly resulting in an incremental increase in accrued liabilities and an i ncremental reduction in revenues at the time the rebate is offered. Accrued sales rebates at December 31, 2023 and 2022 totaled $49.3 million and $55.6 million, respectively. Contingent Liabilities We have established liabilities for environmental and legal contingencies that are probable of occurrence and reasonably estimable, the amounts of which are currently not material. A significant amount of judgment and use of estimates is required to quantify our ultimate exposure in these matters. We review the valuation of these liabilities on a quarterly basis, and we adjust the balances to account for changes in circumstances for ongoing and emerging issues. We accrue environmental remediation costs based on estimates of known environmental remediation exposures developed in consultation with our environmental consultants and legal counsel, the amounts of which are not currently material. We expense environmental compliance costs, which include maintenance and operating costs with respect to ongoing monitoring programs, as incurred. We evaluate the range of potential costs to remediate environmental sites. The ultimate cost of site clean-up is difficult to predict given the uncertainties of our involvement in certain sites, uncertainties regarding the extent of the required clean-up, the availability of alternative clean-up methods, variations in the interpretation of applicable laws and regulations, the possibility of insurance recoveries with respect to certain sites, and other factors. We are, from time to time, subject to routine litigation incidental to our business. These lawsuits primarily involve claims for damages arising out of the use of our products, allegations of patent or trademark infringement, and litigation and administrative proceedings involving employment matters and commercial disputes. Assessments regarding the ultimate cost of lawsuits require judgments concerning matters such as the anticipated outcome of negotiations, the number and cost of pending and future claims, and the impact of evidentiary requirements. Based on facts currently available, we believe the disposition of the claims that are pending or asserted will not have a materially adverse effect on our financial position, results of operations or cash flow. Acquisition Accounting We allocate the consideration of an acquired business to its identifiable assets and liabilities based on estimated fair values. The excess of the consideration over the amount allocated to the assets and liabilities, if any, is recorded to goodwill. We use all available information to estimate fair values. We typically engage third party valuation specialists to assist in the fair value determination of inventories, tangible long-lived assets, and intangible assets other than goodwill. The carrying values of acquired receivables and accounts payable have historically approximated their fair values as of the acquisition date. As necessary, we may engage third party specialists to assist in the estimation of fair value for certain liabilities, such as postretirement benefit liabilities. We adjust the preliminary acquisition accounting, as necessary, typically up to one year after the acquisition closing date as we obtain more information regarding asset valuations and liabilities assumed. Revenue Recognition We recognize revenue consistent with the principles as outlined in the following five step model: (1) identify the contract with the customer, (2) identify the performance obligations in the contract, (3) determine the transaction price, (4) allocate the transaction price to the performance obligations in the contract, and (5) recognize revenue when (or as) each performance obligation is satisfied. See Note 3. Cost of Sales Cost of sales includes our total cost of inventory sold during the period, including material, labor, production overhead costs, variable manufacturing costs, and fixed manufacturing costs. Production overhead costs include operating supplies, applicable utility expenses, maintenance costs, and scrap. Variable manufacturing costs include inbound, interplant, and outbound freight, inventory shrinkage, and charges for excess and obsolete inventory. Fixed manufacturing costs include the costs associated with our purchasing, receiving, inspection, warehousing, distribution centers, production and inventory control, and manufacturing management. Cost of sales also includes the costs to provide maintenance and support and other professional services. Shipping and Handling Costs We recognize fees earned on the shipment of product to customers as revenues and recognize costs incurred on the shipment of product to customers as a cost of sales. Selling, General and Administrative Expenses Selling, general and administrative expenses include expenses not directly related to the production of inventory. They include all expenses related to selling and marketing our products, as well as the salary and benefit costs of associates performing the selling and marketing functions. Selling, general and administrative expenses also include salary and benefit costs, purchased services, and other costs related to our executive and administrative functions. Research and Development Costs Research and development costs are expensed as incurred. Advertising Costs Advertising costs are expensed as incurred. Advertising costs were $18.8 million, $13.7 million, and $10.3 million for 2023, 2022, and 2021, respectively. Share-Based Compensation We compensate certain employees and non-employee directors with various forms of share-based payment awards and recognize compensation costs for these awards based on their fair values. We estimate the fair values of certain awards, primarily stock appreciation rights (SARs), on the grant date using the Black-Scholes-Merton option-pricing formula, which incorporates certain assumptions regarding the expected term of an award and expected stock price volatility. We develop the expected term assumption based on the vesting period and contractual term of an award, our historical exercise and cancellation experience, our stock price history, plan provisions that require exercise or cancellation of awards after employees terminate, and the extent to which currently available information indicates that the future is reasonably expected to differ from past experience. We develop the expected volatility assumption based on historical price data for our common stock. We estimate the fair value of certain restricted stock units with service vesting conditions and performance vesting conditions based on the grant date stock price. We estimate the fair value of certain restricted stock units with market conditions using a Monte Carlo simulation valuation model with the assistance of a third party valuation firm. After calculating the aggregate fair value of an award, we use an estimated forfeiture rate to discount the amount of share-based compensation cost expected to be recognized in our operating results over the service period of the award. We develop the forfeiture assumption based on our historical pre-vesting cancellation experience. Income Taxes Income taxes are provided based on earnings reported for financial statement purposes. The provision for income taxes differs from the amounts currently payable to taxing authorities due to the temporary or permanent timing differences with respect to the recognition of revenues, expenses, and tax attributes for income tax purposes compared to financial statement purposes. Income taxes are provided as if operations in all countries, including the U.S., were stand-alone businesses filing separate tax returns. Deferred income taxes are recognized by applying enacted statutory tax rates applicable to future years to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases as well as net operating loss and tax credit carryforwards. Deferred tax assets generally represent future tax benefits to be received when these carryforwards can be applied against future taxable income or when expenses previously reported in our Consolidated Financial Statements become deductible for income tax purposes. A deferred tax asset valuation allowance is required when some portion or all of the deferred tax assets may not be realized. At December 31, 2023, the valuation allowance of $109.7 million was primarily related to net operating losses and capital losses that we do not currently expect to realize. Our effective tax rate is based on expected income, statutory tax rates, and tax planning opportunities available to us in the various jurisdictions in which we operate. Significant judgment is required in determining our effective tax rate and in evaluating our tax positions. We establish accruals for uncertain tax positions when we believe that the full amount of the associated tax benefit may not be realized. To the extent we were to prevail in matters for which accruals have been established or would be required to pay amounts in excess of reserves, there could be a material effect on our income tax provisions in the period in which such determination is made. In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740) Improvements to Income Tax Disclosures (ASU 2023-09) enhancing the transparency and decision usefulness of income tax disclosures. ASU 2023-09 addresses investor requests for more transparency about income tax information through improvements to income tax disclosures primarily related to the rate reconciliation and income taxes paid information. ASU 2023-09 is effective for annual periods beginning after December 15, 2024, with early adoption permitted. The amendments in ASU 2023-09 are applied on a prospective basis, though retrospective application is permitted. We did not early adopt this pronouncement and are in the process of evaluating its impact on our consolidated financial statements and related disclosures. Recently Adopted Securities and Exchange Commission Rules The Inflation Reduction Act of 2022 imposed a 1% excise tax on the repurchase of more than $1 million of stock by publicly traded US corporations. The excise tax equals 1% of the fair market value of the stock repurchased during the tax year, reduced by the fair market value of stock issued during the tax year, including stock issued to employees of the corporation. The excise tax applies to repurchases of stock made after December 31, 2022. The amount of excise tax accrued during the year ended December 31, 2023 was immaterial to our consolidated financial statements. Current-Year Adoption of Accounting Pronouncements None of the accounting pronouncements that became effective during 2023 had a material impact to our consolidated financial statements or disclosures. Pending Adoption of Recent Accounting Pronouncements The Financial Accounting Standards Board (FASB) amended the guidance in Accounting Standards Codification (ASC) 280, Segment Reporting , to require public companies disclose significant segment expenses and other segment items on an annual and interim basis and to provide in interim periods all disclosures about a reportable segment’s profit or loss and assets that are currently required annually. The guidance is effective for public entities for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted. The guidance is applied retrospectively to all periods presented in the financial statements, unless it is impracticable. The new standard will be effective for us beginning with our 2024 Form 10-K and first quarter 2025 Form 10-Q, respectively. We expect the amended guidance to have a minimal impact on our disclosures.

Revenues

Revenues	12 Months Ended
	Dec. 31, 2023
Revenue from Contract with Customer [Abstract]
Revenues	Revenues Revenues are recognized when control of the promised goods or services is transferred to our customers and in an amount that reflects the consideration we expect to be entitled to in exchange for those goods or services. Taxes collected from customers and remitted to governmental authorities are not included in our revenues. We do not evaluate a contract for a significant financing component when the time between cash collection and performance is less than one year. The following table presents our revenues disaggregated by major product category (in thousands). Broadband Solutions Industrial Automation Smart Buildings Total Year Ended December 31, 2023 Enterprise Solutions $ 555,030 $ — $ 567,801 $ 1,122,831 Industrial Automation Solutions — 1,389,253 — 1,389,253 Total $ 555,030 $ 1,389,253 $ 567,801 $ 2,512,084 Year Ended December 31, 2022 Enterprise Solutions $ 571,426 $ — $ 627,052 $ 1,198,478 Industrial Automation Solutions — 1,408,007 — 1,408,007 Total $ 571,426 $ 1,408,007 $ 627,052 $ 2,606,485 Year Ended December 31, 2021 Enterprise Solutions $ 488,453 $ — $ 585,973 $ 1,074,426 Industrial Automation Solutions — 1,226,834 — 1,226,834 Total $ 488,453 $ 1,226,834 $ 585,973 $ 2,301,260 The following tables present our revenues disaggregated by geography, based on the location of the customer purchasing the product (in thousands). Americas EMEA APAC Total Revenues Year Ended December 31, 2023 Enterprise Solutions $ 824,991 $ 180,880 $ 116,960 $ 1,122,831 Industrial Automation Solutions 787,739 385,454 216,060 1,389,253 Total $ 1,612,730 $ 566,334 $ 333,020 $ 2,512,084 Year Ended December 31, 2022 Enterprise Solutions $ 915,491 $ 149,327 $ 133,660 $ 1,198,478 Industrial Automation Solutions 816,508 372,473 219,026 1,408,007 Total $ 1,731,999 $ 521,800 $ 352,686 $ 2,606,485 Year Ended December 31, 2021 Enterprise Solutions $ 785,253 $ 150,790 $ 138,383 $ 1,074,426 Industrial Automation Solutions 703,790 323,915 199,129 1,226,834 Total $ 1,489,043 $ 474,705 $ 337,512 $ 2,301,260 We generate revenues primarily by selling products that support communication, infrastructure, and delivery solutions that make the digital journey simpler, smarter, and secure. We also generate revenues from providing support and professional services. We sell our products to distributors, end-users, installers, and directly to original equipment manufacturers. At times, we enter into arrangements that involve the delivery of multiple performance obligations. For these arrangements, revenue is allocated to each performance obligation based on its relative standalone selling price and recognized when or as each performance obligation is satisfied. Generally, we determine standalone selling price using the prices charged to customers on a standalone basis. Typically, payments are due after control transfers. Most of our performance obligations related to the sale of products are satisfied at a point in time when control of the product is transferred to the customer, which generally occurs when the product has been shipped or delivered from our facility to our customers, the customer has legal title to the product, and we have a present right to payment for the product. We also consider any customer acceptance clauses in determining when control has transferred to the customer and typically, these clauses are not substantive. The amount of consideration we receive and revenue we recognize varies due to rebates, returns, and price adjustments. We estimate the expected rebates, returns, and price adjustments based on an analysis of historical experience, anticipated sales demand, and trends in product pricing. For example, our estimate of price adjustments is based on our historical price adjustments as a percentage of revenues and the average time period between the original sale and the issuance of the price adjustment. We adjust our estimate of revenue for variable consideration at the earlier of when the most likely amount of consideration we expect to receive changes or when the consideration becomes fixed. We adjust other current assets and cost of sales for the estimated level of returns. Adjustments to revenue for performance obligations satisfied in prior periods was not significant during the year ended December 31, 2023. The following table presents estimated and accrued variable consideration: December 31, 2023 December 31, 2022 (In thousands) Accrued rebates included in accrued liabilities $ 49,255 $ 55,559 Accrued returns included in accrued liabilities 15,570 11,700 Price adjustment recognized against gross accounts receivable 26,005 24,304 Depending on the terms of an arrangement, we may defer the recognition of a portion of the consideration received because we must satisfy a future performance obligation. Consideration allocated to support services under a support and maintenance contract is typically paid in advance and recognized ratably over the term of the service. Consideration allocated to professional services is recognized when or as the services are performed depending on the terms of the arrangement. Our contract terms for support, maintenance, and professional services normally require payment within one year or less of when the services will be provided. As of December 31, 2023, total deferred revenue was $31.1 million, and of this amount, $23.7 million is expected to be recognized within the next twelve months, and the remaining $7.4 million is long-term and will be recognized over a period greater than twelve months. The following table presents deferred revenue activity (in thousands): Balance at December 31, 2021 $ 19,390 New deferrals 30,472 Acquisitions 6,567 Revenue recognized (23,186) Balance at December 31, 2022 $ 33,243 New deferrals 35,157 Acquisitions 104 Revenue recognized (37,442) Balance at December 31, 2023 $ 31,062 Service-type warranties represent $11.1 million of the deferred revenue balance at December 31, 2023, and of this amount $6.2 million is expected to be recognized in the next twelve months, and the remaining $4.9 million is long-term and will be recognized over a period greater than twelve months. At December 31, 2023, we did not have any material contract assets recorded in the consolidated balance sheets. We expense sales commissions as incurred when the duration of the related revenue arrangement is one year or less. We capitalize sales commissions when the original duration of the related revenue arrangement is longer than one year, and we amortize it over the related revenue arrangement period. Total capitalized sales commissions were not material for the years ended December 31, 2023

Acquisitions

Acquisitions	12 Months Ended
	Dec. 31, 2023
Business Combination and Asset Acquisition [Abstract]
Acquisitions	Acquisitions In August 2023, we acquired CloudRail GmbH (CloudRail) with cash on hand for $9.2 million, net of cash acquired.CloudRail, based in Mannheim, Germany, spec ializes in sensor to cloud data solutions allowing end users to quickly connect sensors on their machinery to cloud providers to drive business insights and improve outcomes. The results of CloudRail have been included in our Consolidated Financial Statements from August 31, 2023 and are reported within the Industrial Automation Solutions segment. The CloudRail acquisition was not material to our financial position or results of operations. In April 2023, we acquired Berthold Sichert GmbH (Sichert) with cash on hand for $97.5 million, net of cash acquired. Sichert, based in Berlin, Germany, designs and manufactures a portfolio of polycarbonate street cabinets utilized in outside plant passive optical networks (“PON”) and 5G networks. The results of Sichert have been included in our Consolidated Financial Statements from April 17, 2023 and are reported within the Enterprise Solutions segment. The Sichert acquisition was not material to our results of operations. The following table summarizes the estimated, preliminary fair values of the assets acquired and liabilities assumed as of the acquisition date (in thousands): Receivables $ 5,093 Inventory 7,590 Other current assets 2,733 Property, plant and equipment 13,135 Intangible assets 44,328 Goodwill 32,243 Deferred income taxes 433 Operating lease right-of-use assets 131 Other long-lived assets 4,559 Total assets acquired $ 110,245 Accounts payable $ 1,907 Accrued liabilities 4,283 Deferred income taxes 6,551 Total liabilities assumed $ 12,741 Net assets $ 97,504 The above purchase price allocation is preliminary and subject to revision as additional information about the fair value of individual assets and liabilities becomes available. The preliminary measurement of receivables, intangible assets, deferred income taxes, and other assets and liabilities are subject to change. A change in the estimated fair value of the net assets acquired will change the amount of the purchase price allocable to goodwill. During 2023, we recorded measurement-period adjustments that increased goodwill by $4.4 million. The impact of these adjustments to the Consolidated Statements of Operations was immaterial. The preliminary fair value of acquired receivables is $5.1 million, which is equivalent to its gross contractual amount. A single estimate of fair value results from a complex series of judgments about future events and uncertainties and relies heavily on estimates and assumptions. The judgments we have used in estimating the preliminary fair values assigned to each class of acquired assets and assumed liabilities could materially affect the results of our operations. For purposes of the above allocation, we based our preliminary estimate of the fair values for intangible assets on valuation studies performed by a third party valuation firm. We used various valuation methods including discounted cash flows, excess earnings, and relief from royalty to estimate the preliminary fair value of the identifiable intangible assets (Level 3 valuation). Goodwill and other intangible assets reflected above were determined to meet the criteria for recognition apart from tangible assets acquired and liabilities assumed. The goodwill is primarily attributable to the expansion of broadband product offerings in end-to-end solutions. Our tax basis in the acquired goodwill is zero. The intangible assets related to the acquisition consisted of the following: Fair Value Amortization Period (In thousands) (In years) Intangible assets subject to amortization: Customer relationships $ 41,161 20.0 Trademarks 2,184 7.0 Sales backlog 983 0.2 Total intangible assets subject to amortization $ 44,328 Intangible assets not subject to amortization: Goodwill $ 32,243 n/a Total intangible assets not subject to amortization $ 32,243 Total intangible assets $ 76,571 Weighted average amortization period 18.9

Disposals

Disposals	12 Months Ended
	Dec. 31, 2023
Discontinued Operations and Disposal Groups [Abstract]
Disposals	Disposals Tripwire On February 22, 2022, we sold Tripwire for gross cash consideration of $350 million. T he divestiture of Tripwire represented a strategic shift impacting our operations and financial results. As a result, the Tripwire disposal group, which was included in our Industrial Automation Solutions segment, is reported within discontinued operations. We recognized a loss on disposal of discontinued operations, net of tax of $9.2 million during 2022. The following table summarizes the operating results of the Tripwire disposal group up to the February 22, 2022 disposal date: January 1 - Year Ended (In thousands) Revenues $ 12,067 $ 106,840 Cost of sales (3,256) (24,321) Gross profit 8,811 82,519 Selling, general and administrative expenses (8,185) (48,308) Research and development expenses (5,528) (34,433) Amortization of intangible assets (638) (7,716) Asset impairments — (131,178) Loss before taxes $ (5,540) $ (139,116) From January 1, 2022 to February 22 , 2022, th e Tripwire disposal group did not have any capital expenditures and recognized share-based compensation expense of $0.2 million. During the year ended December 31, 2021, th e Tripwire disposal group had capital expenditu res of $6.1 million and recognized share-based compensation expense of $2.2 million . The disposal group did not have any significant non-cash charges for investing activities during either time period. Brazil Oil and Gas Cable Business During 2021, we sold an oil and gas cable business in Brazil that met all of the criteria to classify the assets and liabilities of this business, formerly part of the Industrial Automation Solutions segment, as held for sale. At such time, the carrying value of the disposal group exceeded the fair value less costs to sell, which we determined based upon the expected sale price, by $3.4 million. Therefore, we recognized an impairment charge of $3.4 million (including a goodwill impairment of $1.7 million and intangible asset impairment of $1.0 million) in 2021. The impairment charge was excluded from Segment EBITDA of our Industrial Automation Solutions segment. We completed the sale of the oil and gas cable business in Brazil during 2021 for $10.9 million, net of cash delivered with the business. Grass Valley During 2020, we sold Grass Valley to Black Dragon Capital. The sale included deferred consideration consisting of a $175.0 million seller’s note, up to $88 million in PIK (payment-in-kind) interest on the seller’s note, and $178.0 million in potential earnout payments. Based upon a third party valuation specialist using certain assumptions in a Monte Carlo analysis, the estimated fair value of the seller’s note was $34.9 million. During 2021, we sold the seller's note to a third party for $62.0 million and recognized a gain on sale of $27.0 million. We accounted for the earnout under a loss recovery approach and did not record an asset as of the disposal date. Any subsequent recognition of an earnout will be based on the gain contingency guidance.

Operating Segments and Geograph

Operating Segments and Geographic Information	12 Months Ended
	Dec. 31, 2023
Segment Reporting [Abstract]
Operating Segments and Geographic Information	Operating Segments and Geographic Information We are organized around two global businesses: Enterprise Solutions and Industrial Automation Solutions. Each of the global businesses represents a reportable segment. The segments design, manufacture, and market a portfolio of signal transmission solutions for mission critical applications used in a variety of end markets. We sell the products manufactured by our segments through distributors or directly to systems integrators, original equipment manufacturers (OEMs), end-users, and installers. The key measures of segment profit or loss reviewed by our chief operating decision maker are Segment Revenues and Segment EBITDA. Segment Revenues represent non-affiliate revenues. Segment EBITDA excludes certain items, including depreciation expense; amortization of intangibles; asset impairment; severance, restructuring, and acquisition integration costs; adjustments related to acquisitions and divestitures; and other costs. We allocate corporate expenses to the segments for purposes of measuring Segment EBITDA. Corporate expenses are allocated on the basis of each segment’s relative EBITDA prior to the allocation. Our measure of segment assets does not include cash, goodwill, intangible assets, deferred tax assets, or corporate assets. All goodwill is allocated to reporting units of our segments for purposes of impairment testing. Operating Segment Information Years Ended December 31, 2023 2022 2021 (In thousands) Enterprise Solutions Segment revenues $ 1,122,831 $ 1,198,478 $ 1,074,426 Segment EBITDA 149,107 161,517 144,509 Depreciation expense 24,943 23,387 21,627 Amortization of intangibles 20,085 17,595 17,595 Amortization of software development intangible assets — 54 94 Adjustments related to acquisitions and divestitures 5,359 5,589 (7,052) Severance, restructuring, and acquisition integration costs 11,221 9,200 13,800 Acquisition of property, plant and equipment 36,237 33,535 36,726 Segment assets 637,105 593,653 563,141 Years Ended December 31, 2023 2022 2021 (In thousands) Industrial Automation Solutions Segment revenues $ 1,389,253 $ 1,408,007 $ 1,226,834 Segment EBITDA 287,328 277,079 222,684 Depreciation expense 26,436 23,282 21,446 Amortization of intangibles 20,290 20,265 13,035 Amortization of software development intangible assets 7,692 3,821 1,485 Adjustments related to acquisitions and divestitures 818 2,244 2,017 Severance, restructuring, and acquisition integration costs 13,931 7,485 10,067 Asset impairments — — 9,283 Acquisition of property, plant and equipment 64,072 58,713 41,269 Segment assets 727,477 677,235 600,380 Total Segments Segment revenues $ 2,512,084 $ 2,606,485 $ 2,301,260 Segment EBITDA 436,435 438,596 367,193 Depreciation expense 51,379 46,669 43,073 Amortization of intangibles 40,375 37,860 30,630 Amortization of software development intangible assets 7,692 3,875 1,579 Adjustments related to acquisitions and divestitures 6,177 7,833 (5,035) Severance, restructuring, and acquisition integration costs 25,152 16,685 23,867 Asset impairments — — 9,283 Acquisition of property, plant and equipment 100,309 92,248 77,995 Segment assets 1,364,582 1,270,888 1,163,521 The following table is a reconciliation of the total of the reportable segments’ Revenues and EBITDA to consolidated revenues and consolidated income from continuing operations before taxes, respectively. Years Ended December 31, 2023 2022 2021 (In thousands) Segment Revenues and Consolidated Revenues $ 2,512,084 $ 2,606,485 $ 2,301,260 Total Segment EBITDA $ 436,435 $ 438,596 $ 367,193 Depreciation expense (51,379) (46,669) (43,073) Amortization of intangibles (40,375) (37,860) (30,630) Severance, restructuring, and acquisition integration costs (1) (25,152) (16,685) (23,867) Amortization of software development intangible assets (7,692) (3,875) (1,579) Adjustments related to acquisitions and divestitures (2) (6,177) (7,833) 5,035 Asset impairments (3) — — (9,283) Gain on sale of assets (4) 12,056 37,891 — Eliminations (198) (231) (120) Consolidated operating income 317,518 363,334 263,676 Interest expense, net (33,625) (43,554) (62,693) Loss on debt extinguishment — (6,392) (5,715) Non-operating pension benefit 1,863 4,005 4,476 Gain on sale of note receivable — — 27,036 Consolidated income from continuing operations before taxes $ 285,756 $ 317,393 $ 226,780 (1) Includes costs from programs described in Note 15, Restructuring Activities as well as other immaterial programs. (2) In 2023, we incurred $4.1 million for lease guarantees associated with the Grass Valley disposal (see Note 12), $1.5 million related to fair value adjustments of acquired inventory and other assets, and $0.6 million of net losses associated with the sales of businesses. In 2022, we incurred $10.1 million for lease guarantees associated with the Grass Valley disposal, $2.2 million related to fair value adjustments of acquired inventory and other assets, and gains of $4.5 million on collections from previously written off receivables associated with the sale of Grass Valley. In 2021, we collected $2.2 million of receivables associated with the sale of Grass Valley and acquisition of SPC that were previously written off, reduced the Opterna earn-out liability by $5.8 million, recognized cost of sales of $2.3 million related to adjustments of acquired inventory to fair value, and recognized a $0.6 million loss on the sale of tangible assets. (3) In 2021, we recognized a $3.6 million impairment on assets held and used . See Note 11, Property, Plant, and Equipment , for details. (4) During 2023, we sold certain real estate in Canada for $13.8 million, net of transaction costs and recognized a $12.1 million pre-tax gain on sale. During 2022, we sold certain real estate in the United States for $42.2 million, net of transaction costs and recognized a $37.9 million pre-tax gain on sale. See Note 11, Property, Plant, and Equipment , for details. Below are reconciliations of other segment measures to the consolidated totals. Years Ended December 31, 2023 2022 2021 (In thousands) Total segment assets $ 1,364,582 $ 1,270,888 $ 1,163,521 Cash and cash equivalents 597,044 687,676 641,563 Goodwill 907,331 862,253 821,448 Intangible assets, less accumulated amortization 269,144 246,830 238,155 Deferred income taxes 15,739 14,642 31,736 Corporate assets 86,351 79,386 72,102 Assets of discontinued operations — — 449,152 Total assets $ 3,240,191 $ 3,161,675 $ 3,417,677 Total segment acquisition of property, plant and equipment $ 100,309 $ 92,248 $ 77,995 Corporate acquisition of property, plant and equipment 16,422 12,846 6,855 Discontinued operations acquisition of property, plant and equipment — — 6,132 Total acquisition of property, plant and equipment $ 116,731 $ 105,094 $ 90,982 Geographic Information The Company attributes foreign sales based on the location of the customer purchasing the product. The table below summarizes net sales and long-lived assets for the years ended December 31, 2023, 2022, and 2021 for the following countries: U.S., Canada, China, and Germany. No other individual foreign country’s net sales or long-lived assets are material to the Company. United Canada China Germany All Other Total (In thousands, except percentages) Year ended December 31, 2023 Revenues $ 1,383,212 $ 169,122 $ 104,718 $ 134,130 $ 720,902 $ 2,512,084 Percent of total revenues 55 % 7 % 4 % 5 % 29 % 100 % Long-lived assets $ 230,267 $ 13,355 $ 45,326 $ 67,758 $ 144,606 $ 501,312 Year ended December 31, 2022 Revenues $ 1,448,247 $ 188,013 $ 126,904 $ 131,485 $ 711,836 $ 2,606,485 Percent of total revenues 56 % 7 % 5 % 5 % 27 % 100 % Long-lived assets $ 203,070 $ 12,805 $ 45,866 $ 44,061 $ 122,565 $ 428,367 Year ended December 31, 2021 Revenues $ 1,201,540 $ 186,834 $ 149,036 $ 112,710 $ 651,140 $ 2,301,260 Percent of total revenues 52 % 8 % 7 % 5 % 28 % 100 % Long-lived assets $ 170,420 $ 12,578 $ 46,776 $ 37,208 $ 106,140 $ 373,122 Major Customer Revenues generated in both the Enterprise Solutions and Industrial Automation Solutions segments from our largest customer were approximately $378.1 million (15% of revenues), $387.7 million (15% of revenues), and $374.8 million (16% of revenues) for the years ended December 31, 2023, 2022, and 2021, respectively. At December 31, 2023 and 2022, we had $61.9 million and $28.8 million in accounts receivable outstanding from this customer, which represented approximately 15% and 7% of our total accounts receivable balance as of December 31, 2023 and 2022, respectively.

Noncontrolling Interest

Noncontrolling Interest	12 Months Ended
	Dec. 31, 2023
Noncontrolling Interest [Abstract]
Noncontrolling Interest	Noncontrolling Interest During 2023, we sold our 51% ownership interest in Shanghai Hi-Tech Control System Co, Ltd to (Hite) for $0.9 million and recognized a $0.4 million pretax gain on sale. The sale also includes $0.6 million of potential earnout payments. The joint venture developed and provided certain Industrial Automation Solutions products and integrated solutions to customers in China. The joint venture was determined to not have sufficient equity at risk; therefore, it was considered a variable interest entity. As Belden was the primary beneficiary of the joint venture, due to both our ownership percentage and control over the activities of the joint venture, we consolidated the joint venture in our financial statements and presented the results of the joint venture attributable to Hite’s ownership as net income attributable to noncontrolling interest in the Consolidated Statements of Operations up to April 28, 2023 when we sold and deconsolidated the entity. The joint venture was not material to our consolidated financial statements as of or for the years ended December 31, 2023, 2022, or 2021.

Income Per Share

Income Per Share	12 Months Ended
	Dec. 31, 2023
Earnings Per Share [Abstract]
Income Per Share	Income Per Share The following table presents the basis of the income per share computations: Years Ended December 31, 2023 2022 2021 (In thousands) Numerator: Income from continuing operations $ 242,556 $ 267,748 $ 198,841 Less: Net income (loss) attributable to noncontrolling interest (203) 159 392 Income from continuing operations attributable to Belden common stockholders 242,759 267,589 198,449 Add: Loss from discontinued operations, net of tax — (3,685) (136,384) Add: Gain (loss) on disposal of discontinued operations, net of tax — (9,241) 1,860 Net income attributable to Belden common stockholders $ 242,759 $ 254,663 $ 63,925 Denominator: Weighted average shares outstanding, basic 42,237 43,845 44,802 Effect of dilutive common stock equivalents 622 692 559 Weighted average shares outstanding, diluted 42,859 44,537 45,361 Basic weighted average shares outstanding is used to calculate diluted loss per share when the numerator is a loss because using diluted weighted average shares outstanding would be anti-dilutive. For the years ended December 31, 2023, 2022, and 2021, diluted weighted average shares outstanding do not include outstanding equity awards of 0.2 million, 0.8 million, and 1.1 million, respectively, because they are anti-dilutive. In addition, for the years ended December 31, 2023, 2022, and 2021, diluted weighted average shares outstanding do not include outstanding equity awards of 0.3 million, 0.2 million, and 0.2 million, respectively, because the related performance conditions have not been satisfied. For purposes of calculating basic earnings per share, unvested restricted stock units are not included in the calculation of basic weighted average shares outstanding until all necessary conditions have been satisfied and issuance of the shares underlying the restricted stock units is no longer contingent. Necessary conditions are not satisfied until the vesting date, at which time holders of our restricted stock units receive shares of our common stock. For purposes of calculating diluted earnings per share, unvested restricted stock units are included to the extent that they are dilutive. In determining whether unvested restricted stock units are dilutive, each issuance of restricted stock units is considered separately. Once a restricted stock unit has vested, it is included in the calculation of both basic and diluted weighted average shares outstanding.

Credit Losses

Credit Losses	12 Months Ended
	Dec. 31, 2023
Credit Loss [Abstract]
Credit Losses	Credit Losses We are exposed to credit losses primarily through sales of products and services. Our expected loss allowance methodology for accounts receivable is developed using historical collection experience, current and future economic and market conditions and a review of the current status of customers' trade accounts receivables. Due to the short-term nature of such receivables, the estimate of accounts receivable that may not be collected is based upon the aging of accounts receivable balances and the financial condition of customers. Additionally, specific allowance amounts are established to record the appropriate provision for customers that have a higher probability of default. Our monitoring activities include timely account reconciliation, dispute resolution, payment confirmation, consideration of customers' financial condition and macroeconomic conditions. Balances are written off when determined to be uncollectible. Estimates are used to determine the allowance, which is based upon an assessment of anticipated payments as well as other information that is reasonably available. The following table presents the activity in the allowance for doubtful accounts for the years ended December 31, 2023 and 2022 (in thousands). Balance at December 31, 2021 $ 4,864 Current period provision 6,615 Write-offs (3,648) Recoveries collected (121) Acquisitions 319 Currency impact (75) Balance at December 31, 2022 $ 7,954 Current period provision 15,745 Write-offs (154) Recoveries collected (861) Acquisitions 422 Currency impact 8 Balance at December 31, 2023 $ 23,114

Inventories

Inventories	12 Months Ended
	Dec. 31, 2023
Inventory Disclosure [Abstract]
Inventories	Inventories The major classes of inventories were as follows: December 31, 2023 2022 (In thousands) Raw materials $ 185,233 $ 162,154 Work-in-process 41,197 35,011 Finished goods 208,425 190,311 Gross inventories 434,855 387,476 Excess and obsolete reserves (67,868) (45,913) Net inventories $ 366,987 $ 341,563

Property, Plant and Equipment

Property, Plant and Equipment	12 Months Ended
	Dec. 31, 2023
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment	Property, Plant and Equipment The carrying values of property, plant and equipment were as follows: December 31, 2023 2022 (In thousands) Land and land improvements $ 27,627 $ 25,547 Buildings and leasehold improvements 108,960 102,451 Machinery and equipment 666,527 631,680 Computer equipment and software 132,668 127,434 Construction in process 157,056 106,361 Gross property, plant and equipment 1,092,838 993,473 Accumulated depreciation (641,769) (611,609) Net property, plant and equipment $ 451,069 $ 381,864 Depreciation Expense We recognized depreciation expense in income from continuing operations of $51.4 million, $46.7 million, and $43.9 million in 2023, 2022, and 2021, respectively. Gain on Sale of Assets During 2022, we sold certain real estate in the United States for $42.2 million, net of transaction costs and recognized a $37.9 million pre-tax gain on sale. This gain on sale was excluded from Segment EBITDA of our Industrial Automation Solutions segment. Sale-Leasebacks During 2023, we sold certain real estate in Canada as part of a sale and leaseback transaction for CAD$18.6 million (approximately $13.8 million), net of transaction costs and recognized a $12.1 million pre-tax gain on sale. This gain on sale was excluded from Segment EBITDA of our Industrial Automation Solutions segment. The lease is for a term of 10 years and as of December 31, 2023, had a total right-of-use asset balance of $10.1 million. During 2021, we sold certain real estate in Germany as part of a sale and leaseback transaction for €24.5 million (approximately $27.8 million) and recognized a $0.6 million loss on the sale. The lease is for a term of 10 years and as of December 31, 2023 and 2022, had a total right-of-use asset balance of $20.5 million and $21.7 million, respectively. When the assets met the held for sale criteria during 2021, we performed a recoverability test and determined that the carrying values of the assets were not recoverable and as a result, recognized a $2.3 million impairment charge to write them down to fair value. The impairment charge was excluded from Segment EBITDA of our Industrial Automation Solutions segment. Asset Impairments During 2021, we sold an oil and gas business in Brazil and recognized an impairment charge of $3.4 million (includes a goodwill impairment of $1.7 million and intangible asset impairment of $1.0 million). See Note 5.

Leases

Leases	12 Months Ended
	Dec. 31, 2023
Leases [Abstract]
Leases	Leases We have operating and finance leases for properties, including manufacturing facilities, warehouses, and office space; as well as vehicles and certain equipment. We make certain judgments in determining whether a contract contains a lease in accordance with ASU 2016-02. Our leases have remaining lease terms of less than 1 year to 15 years, some of which include options to extend the lease for a period of up to 15 years and some include options to terminate the leases within 1 year. We do not assume renewals in our determination of the lease term unless the renewals are deemed to be reasonably certain as of the commencement date of the lease. Our lease agreements do not contain material residual value guarantees, and our variable lease payments were $3.1 million and $2.9 million during the years ended December 31, 2023 and 2022, respectively. We have entered into various short-term operating leases with an initial term of twelve months or less. These leases are not recorded on our balance sheet as of December 31, 2023 or 2022, and the rent expense for short-term leases was not material. We have certain property and equipment lease contracts that may contain lease and non-lease components, and we have elected to utilize the practical expedient to account for these components together as a single combined lease component. As the rate implicit in most of our leases is not readily determinable, we use the incremental borrowing rate to determine the present value of the lease payments, which is unique to each leased asset and is based upon the term, commencement date, location, and local currency of the leased asset as well as the credit rating of the legal entity leasing the asset. The components of lease expense were as follows: Years Ended December 31, 2023 2022 2021 (In thousands) Operating lease cost $ 22,562 $ 21,420 $ 18,607 Finance lease cost Amortization of right-of-use asset $ 780 $ 878 $ 528 Interest on lease liabilities 330 258 14 Total finance lease cost $ 1,110 $ 1,136 $ 542 Supplemental cash flow information related to leases was as follows: Years Ended December 31, 2023 2022 2021 (In thousands) Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 19,080 $ 18,338 $ 15,737 Operating and financing cash flows from finance leases were not material for the years ended December 31, 2023, 2022 and 2021. Supplemental balance sheet information related to leases was as follows: December 31, 2023 2022 (In thousands, except lease term and discount rate) Operating leases: Total operating lease right-of-use assets $ 89,686 $ 73,376 Accrued liabilities $ 18,226 $ 16,442 Long-term operating lease liabilities 74,941 59,250 Total operating lease liabilities $ 93,167 $ 75,692 Finance leases: Other long-lived assets, at cost $ 6,560 $ 6,323 Accumulated depreciation (1,347) (733) Other long-lived assets, net $ 5,213 $ 5,590 Accrued liabilities $ 719 $ 391 Other long-term liabilities 6,084 5,928 Total finance lease liabilities $ 6,803 $ 6,319 Weighted Average Remaining Lease Term Operating leases 6 years 6 years Finance leases 9 years 10 years Weighted Average Discount Rate Operating leases 5.0% 5.2 % Finance leases 4.3% 4.2 % The following table summarizes maturities of lease liabilities as of December 31, 2023 (in thousands): 2024 $ 18,664 2025 18,173 2026 16,527 2027 9,074 2028 7,350 Thereafter 28,068 Total $ 97,856 The following table summarizes maturities of lease liabilities as of December 31, 2022 (in thousands): 2023 $ 15,815 2024 14,809 2025 13,472 2026 11,964 2027 6,464 Thereafter 20,907 Total $ 83,431 In addition, we covenanted the lease payments for certain Grass Valley property leases with expiration dates extending up to 2035. These lease guarantees were retained by Belden and not transferred to the buyer of Grass Valley (see Note 5). As of December 31, 2023, the fixed, remaining base rent payments were $22 million. In 2023 and 2022, we recognized $4.1 million and $10.1 million, respectively, related to the guarantees in selling, general and administrative expenses. These costs were excluded from Segment EBITDA of our Enterprise Solutions segment. As of December 31, 2023 and 2022, we had a liability for expected, future payments of $11.3 million and $9.4 million, respectively . The liability is based on certain assumptions, such as receiving a level of sublease income, that we continually reassess on an ongoing basis. We will update the estimated liability balance for changes in assumptions as needed.
Leases	Leases We have operating and finance leases for properties, including manufacturing facilities, warehouses, and office space; as well as vehicles and certain equipment. We make certain judgments in determining whether a contract contains a lease in accordance with ASU 2016-02. Our leases have remaining lease terms of less than 1 year to 15 years, some of which include options to extend the lease for a period of up to 15 years and some include options to terminate the leases within 1 year. We do not assume renewals in our determination of the lease term unless the renewals are deemed to be reasonably certain as of the commencement date of the lease. Our lease agreements do not contain material residual value guarantees, and our variable lease payments were $3.1 million and $2.9 million during the years ended December 31, 2023 and 2022, respectively. We have entered into various short-term operating leases with an initial term of twelve months or less. These leases are not recorded on our balance sheet as of December 31, 2023 or 2022, and the rent expense for short-term leases was not material. We have certain property and equipment lease contracts that may contain lease and non-lease components, and we have elected to utilize the practical expedient to account for these components together as a single combined lease component. As the rate implicit in most of our leases is not readily determinable, we use the incremental borrowing rate to determine the present value of the lease payments, which is unique to each leased asset and is based upon the term, commencement date, location, and local currency of the leased asset as well as the credit rating of the legal entity leasing the asset. The components of lease expense were as follows: Years Ended December 31, 2023 2022 2021 (In thousands) Operating lease cost $ 22,562 $ 21,420 $ 18,607 Finance lease cost Amortization of right-of-use asset $ 780 $ 878 $ 528 Interest on lease liabilities 330 258 14 Total finance lease cost $ 1,110 $ 1,136 $ 542 Supplemental cash flow information related to leases was as follows: Years Ended December 31, 2023 2022 2021 (In thousands) Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 19,080 $ 18,338 $ 15,737 Operating and financing cash flows from finance leases were not material for the years ended December 31, 2023, 2022 and 2021. Supplemental balance sheet information related to leases was as follows: December 31, 2023 2022 (In thousands, except lease term and discount rate) Operating leases: Total operating lease right-of-use assets $ 89,686 $ 73,376 Accrued liabilities $ 18,226 $ 16,442 Long-term operating lease liabilities 74,941 59,250 Total operating lease liabilities $ 93,167 $ 75,692 Finance leases: Other long-lived assets, at cost $ 6,560 $ 6,323 Accumulated depreciation (1,347) (733) Other long-lived assets, net $ 5,213 $ 5,590 Accrued liabilities $ 719 $ 391 Other long-term liabilities 6,084 5,928 Total finance lease liabilities $ 6,803 $ 6,319 Weighted Average Remaining Lease Term Operating leases 6 years 6 years Finance leases 9 years 10 years Weighted Average Discount Rate Operating leases 5.0% 5.2 % Finance leases 4.3% 4.2 % The following table summarizes maturities of lease liabilities as of December 31, 2023 (in thousands): 2024 $ 18,664 2025 18,173 2026 16,527 2027 9,074 2028 7,350 Thereafter 28,068 Total $ 97,856 The following table summarizes maturities of lease liabilities as of December 31, 2022 (in thousands): 2023 $ 15,815 2024 14,809 2025 13,472 2026 11,964 2027 6,464 Thereafter 20,907 Total $ 83,431 In addition, we covenanted the lease payments for certain Grass Valley property leases with expiration dates extending up to 2035. These lease guarantees were retained by Belden and not transferred to the buyer of Grass Valley (see Note 5). As of December 31, 2023, the fixed, remaining base rent payments were $22 million. In 2023 and 2022, we recognized $4.1 million and $10.1 million, respectively, related to the guarantees in selling, general and administrative expenses. These costs were excluded from Segment EBITDA of our Enterprise Solutions segment. As of December 31, 2023 and 2022, we had a liability for expected, future payments of $11.3 million and $9.4 million, respectively . The liability is based on certain assumptions, such as receiving a level of sublease income, that we continually reassess on an ongoing basis. We will update the estimated liability balance for changes in assumptions as needed.

Intangible Assets

Intangible Assets	12 Months Ended
	Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible Assets	Intangible Assets The carrying values of intangible assets were as follows: December 31, 2023 December 31, 2022 Gross Accumulated Net Gross Accumulated Net (In thousands) (In thousands) Goodwill $ 907,331 $ — $ 907,331 $ 862,253 $ — $ 862,253 Definite-lived intangible assets subject to amortization: Developed technology $ 300,240 $ (219,210) $ 81,030 $ 273,524 $ (190,808) $ 82,716 Customer relationships 296,616 (145,739) 150,877 253,275 (129,730) 123,545 Trademarks 43,862 (35,089) 8,773 40,951 (30,077) 10,874 Backlog 14,847 (13,483) 1,364 13,554 (11,192) 2,362 In-service research and development 5,000 (5,000) — 5,507 (5,342) 165 Non-compete agreements 810 (710) 100 780 (612) 168 Total intangible assets subject to amortization $ 661,375 $ (419,231) $ 242,144 $ 587,591 $ (367,761) $ 219,830 Indefinite-lived intangible assets not subject to amortization: Trademarks $ 27,000 $ — $ 27,000 $ 27,000 $ — $ 27,000 Total intangible assets not subject to amortization $ 27,000 $ — $ 27,000 $ 27,000 $ — $ 27,000 Intangible assets $ 688,375 $ (419,231) $ 269,144 $ 614,591 $ (367,761) $ 246,830 Segment Allocation of Goodwill and Trademarks The changes in the carrying amount of goodwill assigned to reporting units in our reportable segments are as follows: Enterprise Solutions Industrial Automation Solutions Consolidated (In thousands) Balance at December 31, 2021 $ 473,241 $ 348,207 $ 821,448 Acquisitions 6,528 44,068 50,596 Translation impact (1,935) (7,856) (9,791) Balance at December 31, 2022 $ 477,834 $ 384,419 $ 862,253 Acquisitions 32,243 5,816 38,059 Translation impact 1,447 5,572 7,019 Balance at December 31, 2023 $ 511,524 $ 395,807 $ 907,331 The carrying amount of a certain indefinite-lived trademark in our Enterprise Solutions segment was $27.0 million as of December 31, 2023 and 2022. Annual Impairment Test The annual measurement date for our goodwill and indefinite-lived intangible assets impairment test is our fiscal November month-end. For our 2023 goodwill impairment test, we performed a quantitative assessment for three of our reporting units and determined the estimated fair values by calculating the present value of estimated future cash flows using Level 3 inputs. We determined that the fair values for the reporting units were in excess of their respective carrying values. We performed a qualitative assessment for the remaining three reporting units, and determined that it was more likely than not that the fair value of each reporting unit was greater than its respective carrying value. Therefore, we did not record any goodwill impairment in 2023. We did not recognize any goodwill impairment from continuing operations in 2022 or 2021 other than a $1.7 million impairment in 2021 in connection with the sale of an oil and gas business in Brazil. See Note 5. For our quantitative impairment test in 2023, the excess of the fair value over the carrying value for the reporting units ranged from 30% to 106%. The assumptions used to estimate fair value were based on the past performance of the reporting unit as well as the projections incorporated in our strategic plan. Significant assumptions included sales growth, profitability, and related cash flows, along with cash flows associated with taxes and capital spending. The discount rate used to estimate fair value was risk adjusted in consideration of the economic conditions in effect at the time of the impairment test. We also considered assumptions that market participants may use. In our assessment, the discount rate ranged from 11.9% to 13.8%, the 2024 to 2033 compounded annual revenue growth rate ranged from 4.2% to 6.3%, and the revenue growth rate beyond 2033 ranged from 2.0% to 3.0%. By their nature, these assumptions involve risks and uncertainties. There is inherent risk associated with using an income approach to estimate fair values. If actual results are significantly different from our estimates or assumptions, we may have to recognize impairment charges that could be material. We tested our indefinite-lived intangible asset, a trademark, for impairment during the fourth quarter using a quantitative assessment. We determined the fair value of the trademark using a relief from royalty methodology and compared the fair value to the carrying value. Significant assumptions to determine fair value included sales growth, royalty rates, and discount rates. We did not recognize any indefinite-lived intangible asset impairment charges in 2023, 2022, or 2021. Impairment of Discontinued Operations Prior to the Tripwire divestiture in 2022, we recognized a goodwill impairment charge of $131.2 million during 2021. See Note 5. Amortization Expense We recognized amortization expense in income from continuing operations of $48.1 million, $41.7 million, and $32.2 million in 2023, 2022, an

Accrued Liabilities

Accrued Liabilities	12 Months Ended
	Dec. 31, 2023
Accrued Liabilities [Abstract]
Accrued Liabilities	Accrued Liabilities The carrying values of accrued liabilities were as follows: December 31, 2023 2022 (In thousands) Wages, severance and related taxes $ 71,880 $ 86,536 Accrued rebates 49,255 55,559 Employee benefits 27,487 26,421 Deferred revenue 23,718 26,215 Lease liabilities 18,945 16,833 Accrued interest 18,774 18,154 Other (individual items less than 5% of total current liabilities) 80,230 60,143 Accrued liabilities $ 290,289 $ 289,861

Restructuring Activities

Restructuring Activities	12 Months Ended
	Dec. 31, 2023
Restructuring and Related Activities [Abstract]
Restructuring Activities	Restructuring Activities During 2023, 2022 and 2021, we incurred costs related to the programs described below. We also incurred costs related to other individually insignificant programs. Productivity Initiative Program We initiated a productivity program in response to weaker economic conditions experienced in the second half of 2023. The Enterprise Solutions and Industrial Automation Solutions segments incurred $3.6 million and $5.5 million, respectively, of severance and other costs during the year ended December 31, 2023. Acquisition Integration Program We are integrating our recent acquisitions with our existing businesses to achieve desired cost savings, primarily by focusing on con solidating existing and acquired facilities as well as other support functions. The Enterprise Solutions segment incurred $6.5 million, $4.8 million, and $9.6 million of restructuring and integration costs during the years ended December 31, 2023, 2022, and 2021, respectively. The Industrial Automation Solutions segment incurred $3.0 million, $3.4 million, and $3.0 million of res tructuring and integration co sts during the years ended December 31, 2023, 2022, and 2021, respectively. Manufacturing Footprint Program We consolidated our manufacturing footprint in the Americas region during 2022. The Enterprise Solutions and Industrial Automation Solutions segments incurred $3.3 million and $5.0 million, respectively, of severance and other costs during the year ended December 31, 2022. Cost Reduction Program We executed a cost reduction program to streamline the organizational structure and invest in technology to drive productivity. The Enterprise Solutions and Industrial Automation Solutions segments incurred $2.6 million and $3.2 million, respectively, of severance and other costs during the year ended December 31, 2021. The following table summarizes the costs of the programs described above by segment, all of which were excluded from Segment EBITDA: Severance Restructuring Total Costs (In thousands) Year Ended December 31, 2023 Enterprise Solutions $ 4,180 $ 5,948 $ 10,128 Industrial Automation Solutions 4,674 3,852 8,526 Total $ 8,854 $ 9,800 $ 18,654 Year Ended December 31, 2022 Enterprise Solutions $ 1,070 $ 7,060 $ 8,130 Industrial Automation Solutions 493 7,847 8,340 Total $ 1,563 $ 14,907 $ 16,470 Year Ended December 31, 2021 Enterprise Solutions $ 1,121 $ 11,062 $ 12,183 Industrial Automation Solutions 2,555 3,629 6,184 Total $ 3,676 $ 14,691 $ 18,367 The restructuring and integration costs incurred during 2023, 2022, and 2021 primarily consisted of equipment transfer, costs to consolidate operating and support facilities, retention bonuses, relocation, travel, legal, and other costs. The majority of the restructuring and integration costs related to these actions were paid as incurred or are payable within the next 60 days. The following table summarizes the costs of the programs described above by financial statement line item in the Consolidated Statement of Operations: Years Ended December 31, 2023 2022 2021 (In thousands) Cost of sales $ 1,667 $ 10,060 $ 8,493 Selling, general and administrative expenses 15,362 6,410 9,874 Research and development expenses 1,625 — — Total $ 18,654 $ 16,470 $ 18,367 Accrued Severance There were no significant severance accrual balances as of December 31, 2022. The table below sets forth severance activity included in accrued liabilities that occurred for the Productivity Initiative Program described above (in thousands). Balance at December 31, 2022 $ — New charges 8,254 Cash payments (3,151) Foreign currency translation 68 Other adjustments (161) Balance at December 31, 2023 $ 5,010

Long-Term Debt and Other Borrow

Long-Term Debt and Other Borrowing Arrangements	12 Months Ended
	Dec. 31, 2023
Debt Disclosure [Abstract]
Long-Term Debt and Other Borrowing Arrangements	Long-Term Debt and Other Borrowing Arrangements The carrying values of our long-term debt and other borrowing arrangements were as follows: December 31, 2023 2022 (In thousands) Revolving credit agreement due 2026 $ — $ — Senior subordinated notes: 3.375% Senior subordinated notes due 2027 497,025 480,330 3.875% Senior subordinated notes due 2028 386,575 373,590 3.375% Senior subordinated notes due 2031 331,350 320,220 Total senior subordinated notes 1,214,950 1,174,140 Less unamortized debt issuance costs (10,739) (12,964) Long-term debt $ 1,204,211 $ 1,161,176 Revolving Credit Agreement due 2026 In 2021, we entered into an amended and restated Revolving Credit Agreement that provides a $300.0 million multi-currency asset-based revolving credit facility (the Revolver). The maturity date of the Revolver is June 2, 2026. The borrowing base under the Revolver includes eligible accounts receivable; inventory; and property, plant and equipment of certain of our subsidiaries in the United States, Canada, Germany, the United Kingdom and the Netherlands. Interest on outstanding borrowings is variable, based upon SOFR or other similar indices in foreign jurisdictions, plus a spread that ranges from 1.25%-1.75%, depending upon our leverage position. Outstanding borrowings in the U.S. and Canada may also, at our election, be priced on a base rate plus a spread that ranges from 0.25% — 0.75%, depending on our leverage position. We pay a commitment fee on our available borrowing capacity of 0.25%. In the event we borrow more than 90% of our combined borrowing base or our borrowing base availability is less than $20.0 million, we are subject to a fixed charge coverage ratio covenant. In 2021, we paid approximately $2.3 million of fees when we amended the Revolver, which are being amortized over the remaining term of the Revolver. As of December 31, 2023, we had no borrowings outstanding on the Revolver, and our available borrowing capacity was $289.1 million. Senior Subordinated Notes We have outstanding €450.0 million aggregate principal amount of 3.375% senior subordinated notes due 2027 (the 2027 Notes). The carrying value of the 2027 Notes as of December 31, 2023 is $497.0 million. The 2027 Notes are guaranteed on a senior subordinated basis by our current and future domestic subsidiaries. The 2027 Notes rank equal in right of payment with our senior subordinated notes due 2031 and 2028 and with any future subordinated debt, and they are subordinated to all of our senior debt and the senior debt of our subsidiary guarantors, including our Revolver. Interest is payable semiannually on January 15 and July 15 of each year. We have outstanding €350.0 million aggregate principal amount of 3.875% senior subordinated notes due 2028 (the 2028 Notes). The carrying value of the 2028 Notes as of December 31, 2023 is $386.6 million. The 2 028 Notes are guaranteed on a senior subordinated basis by our current and future domestic subsidiaries. The 2028 Notes rank equal in right of payment with our senior subordinated notes due 2031 and 2027 and with any future subordinated debt, and they are subordinated to all of our senior debt and the senior debt of our subsidiary guarantors, including our Revolver. Interest is payable semiannually on March 15 and September 15 of each year. In 2021, we completed an offering for €300.0 million ($356.0 million at issuance) aggregate principal amount of 3.375% senior subordinated notes due 2031 (the 2031 Notes). The carrying value of the 2031 Notes as of December 31, 2023 is $331.4 million. The 2031 Notes are guaranteed on a senior subordinated basis by our current and future domestic subsidiaries. The 2031 Notes rank equal in right of payment with our senior subordinated notes due 2028 and 2027 and with any future subordinated debt, and they are subordinated to all of our senior debt and the senior debt of our subsidiary guarantor s, including our Revolver. Interest is payable semiannually on January 15 and July 15 of each year, commencing January 15, 2022. In 2021, we paid approximately $5.9 million of fees associated with the issuance of the 2031 Notes, which are being amortized over the life of the 2031 Notes using the effective interest method. We used the net proceeds from this offering, along with cash on hand, to fund the full redemption of the 2025 Notes. We had outstanding €300.0 million aggregate principal amount of 2.875% senior subordinated notes due 2025 (the 2025 Notes). In 2021, we repurchased the full €300.0 million 2025 Notes outstanding for cash consideration of €302.2 million ($358.5 million), including a redemption premium, and recognized a $5.7 million loss on debt extinguishment including the write-off of unamortized debt issuance costs. We had outstanding €200.0 million aggregate principal amount of 4.125% senior subordinated notes due 2026 (the 2026 Notes). In 2022, we repurchased the full €200.0 million 2026 Notes outstanding for cash consideration of €204.1 million ($227.9 million), including a redemption premium, and recognized a $6.4 million loss on debt extinguishment including the write-off of unamortized debt issuance costs. Fair Value of Long-Term Debt The fair value of our senior subordinated notes as of December 31, 2023 was approximately $1,141.8 million based on quoted prices of the debt instruments in inactive markets (Level 2 valuation). This amount represents the fair values of our senior subordinated notes with a carrying value of $1,215.0 million as of December 31, 2023. Redemption Prices The senior subordinated notes due 2027 and 2028 were redeemable after July 15, 2022 and March 15, 2023, respectively, and the senior subordinated notes due 2031 are redeemable after July 15, 2026 at the following redemption prices as a percentage of the face amount of the notes: Senior Subordinated Notes due 2027 2028 2031 Year Percentage Year Percentage Year Percentage 2022 101.688 % 2023 101.938 % 2026 101.688 % 2023 101.125 % 2024 101.292 % 2027 100.844 % 2024 100.563 % 2025 100.646 % 2028 100.422 % 2025 and thereafter 100.000 % 2026 and thereafter 100.000 % 2029 and thereafter 100.000 % Maturities Maturities on outstanding long-term debt and other borrowings during each of the five years subsequent to December 31, 2023 are as follows (in thousands): 2024 $ — 2025 — 2026 — 2027 497,025 2028 386,575 Thereafter 331,350 $ 1,214,950

Net Investment Hedge

Net Investment Hedge	12 Months Ended
	Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Net Investment Hedge	Net Investment Hedge All of our euro denominated notes were issued by Belden Inc., a USD functional currency entity. As of December 31, 2023, €567.8 million of our outstanding foreign denominated debt is designated as a net investment hedge on the foreign currency risk of our net investment in our euro foreign operations. The objective of the hedge is to protect the net investment in the foreign operation against adverse changes in the euro exchange rate. The transaction gain or loss is reported in the translation

Income Taxes

Income Taxes	12 Months Ended
	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes Years Ended December 31, 2023 2022 2021 (in thousands) Income from continuing operations before taxes: United States operations $ 86,805 $ 97,900 $ 188,650 Foreign operations 198,951 219,493 38,130 Income from continuing operations before taxes $ 285,756 $ 317,393 $ 226,780 Income tax expense (benefit): Currently payable United States federal $ 34,091 $ 34,310 $ 1,649 United States state and local 3,900 4,801 2,453 Foreign 18,166 6,677 15,984 56,157 45,788 20,086 Deferred United States federal (7,497) (446) 16,354 United States state and local (623) (50) 5,988 Foreign (4,837) 4,353 (14,489) (12,957) 3,857 7,853 Income tax expense $ 43,200 $ 49,645 $ 27,939 In addition to the above income tax expense associated with continuing operations, we also recorded an income tax benefit associated with discontinued operations of $0.0 million, $2.5 million, and $2.7 million in 2023, 2022, and 2021, respectively. Years Ended December 31, 2023 2022 2021 Effective income tax rate reconciliation from continuing operations: United States federal statutory rate 21.0% 21.0% 21.0% State and local income taxes 0.8% 1.2% 3.4% Impact of change in tax contingencies 0.3% 0.1% (0.7)% Foreign income tax rate differences (10.5)% (10.9)% 0.7% Impact of change in deferred tax asset valuation allowance 0.5% (2.5)% (19.1)% Domestic permanent differences and tax credits 2.9% 6.3% 6.0% Impact of share-based compensation 0.1% 0.4% 1.0% 15.1% 15.6% 12.3% In 2023, the most significant difference between the U.S. federal statutory tax rate and our effective tax rate was the impact of foreign tax rate differences. Foreign tax rate differences resulted in an income tax expense (benefit) of $(30.1) million, $(34.4) million, and $1.5 million in 2023, 2022, and 2021, respectively. An additional significant difference between the U.S. federal statutory tax rate and our effective tax rate was the impact of domestic permanent differences and tax credits. We recognized a total income tax expense from domestic permanent differences and tax credits of $8.4 million in 2023, primarily associated with our foreign income inclusions. If we were to repatriate foreign cash to the U.S., we may be required to accrue and pay U.S. taxes in accordance with applicable U.S. tax rules and regulations as a result of the repatriation. However, it is our intent to permanently reinvest the earnings of our non-U.S. subsidiaries in those operations and for continued non-U.S. growth opportunities. The components of deferred income taxes were as follows: December 31, 2023 2022 (In thousands) Components of deferred income tax balances: Deferred income tax liabilities: Plant, equipment, and intangibles $ (98,112) $ (94,189) Right of use asset (21,440) (19,853) (119,552) (114,042) Deferred income tax assets: Postretirement, pensions, and stock compensation 17,052 17,368 Reserves and accruals 41,474 25,519 Net operating loss, capital loss, and tax credit carryforwards 114,896 149,607 Lease liability 22,073 19,938 Valuation allowances (109,676) (142,330) 85,819 70,102 Net deferred income tax liability $ (33,733) $ (43,940) The decreases in valuation allowances and deferred tax assets related to net operating loss, capital loss, and tax credit carryforwards primarily relate to the write-offs of the $35.0 million deferred tax asset and corresponding $35.0 million valuation allowance associated with a capital loss from the divestiture of Tripwire that we will not be able to utilize prior to its expiration. As of December 31, 2023, we had $93.6 million of gross net operating loss carryforwards, $6.2 million of tax credit carryforwards, and $399.5 million of gross capital loss carryforwards. Unless otherwise utilized, net operating loss carryforwards will expire upon the filing of the tax returns for the following respective years: $8.8 million between 2024 and 2026 and $42.2 million between 2027 and 2042. Net operating loss with an indefinite carryforward period total $42.6 million. Of the $93.6 million in net operating loss carryforwards, we have determined, based on the weight of all available evidence, both positive and negative, that we will utilize $30.2 million of these net operating loss carryforwards within their respective expiration periods. A valuation allowance has been recorded on the remaining portion of the net operating loss carryforwards. Unless otherwise utilized, tax credit carryforwards of $6.2 million will expire as follows: $0.6 million between 2024 and 2026 and $3.4 million between 2027 and 2042. Tax credit carryforwards with an indefinite carryforward period total $2.2 million. We have determined, based on the weight of all available evidence, both positive and negative, that we will utilize $3.9 million of these tax credit carryforwards within their respective expiration periods. A valuation allowance has been recorded on the remaining portion of the tax credit carryforwards. Unless otherwise utilized, of the $399.5 million in gross capital loss carryforwards, $355.2 million will expire between 2025 and 2027 and the remaining $44.2 million have an indefinite carryforward period. A full valuation allowance has been recorded as we do not expect to be able to utilize the capital losses. The following tables summarize our net operating loss carryforwards and tax credit carryforwards as of December 31, 2023 by jurisdiction: Net Operating Loss Carryforwards (In thousands) United States - Federal and various states $ 44,066 Germany 19,418 United Kingdom 13,641 Other 8,290 Australia 8,234 Total $ 93,649 Tax Credit Carryforwards (In thousands) United States $ 4,705 Belgium 1,509 Total $ 6,214 In 2023, we recognized a net $1.0 million increase to reserves for uncertain tax positions. A reconciliation of the beginning and ending amounts of unrecognized tax benefits is as follows: 2023 2022 (In thousands) Balance at beginning of year $ 6,180 $ 5,821 Additions for tax positions of prior years 605 — Additions based on tax positions related to the current year 358 359 Balance at end of year $ 7,143 $ 6,180 The balance of $7.1 million at December 31, 2023 reflects tax positions that, if recognized, would impact our effective tax rate. Our practice is to recognize interest and penalties related to uncertain tax positions in interest expense and operating expenses, respectively. We have no accrual for the payment of interest and penalties as of December 31, 2023 and 2022. Our federal tax return for the tax years 2015 and later remain subject to examination by the Internal Revenue Service. Our state and foreign income tax returns for the tax years 2013 and later remain subject to examination by various state and foreign tax authorities.

Pension and Other Postretiremen

Pension and Other Postretirement Benefits	12 Months Ended
	Dec. 31, 2023
Retirement Benefits [Abstract]
Pension and Other Postretirement Benefits	Pension and Other Postretirement Benefits We sponsor defined benefit pension plans and defined contribution plans that cover substantially all employees in Canada, the Netherlands, Switzerland, the United Kingdom, the U.S., Belgium and certain employees in Germany. Certain defined benefit plans in the United Kingdom are frozen and additional benefits are not being earned by the participants. The U.S. defined benefit pension plan is closed to new entrants. Annual contributions to retirement plans equal or exceed the minimum funding requirements of applicable local regulations. The assets of the funded pension plans we sponsor are maintained in various trusts and are invested primarily in equity and fixed income securities. Benefits provided to employees under defined contribution plans include cash and stock contributions by the Company based on either hours worked by the employee or a percentage of the employee’s compensation. Defined contribution expense for 2023, 2022, and 2021 w as $14.0 million, $13.4 million, and $12.2 million, respectively. We sponsor unfunded postretirement medical and life insurance benefit plans for certain employees in Canada and the U.S. The medical benefit portion of the U.S. plan is only for employees who retired prior to 1989 as well as certain other employees who were near retirement and elected to receive certain benefits. The following tables provide a reconciliation of the changes in the plans’ benefit obligations and fair value of assets as well as a statement of the funded status and balance sheet reporting for these plans. Pension Benefits Other Benefits Years Ended December 31, 2023 2022 2023 2022 (In thousands) Change in benefit obligation: Benefit obligation, beginning of year $ (317,424) $ (471,834) $ (19,944) $ (27,625) Service cost (2,632) (3,491) (11) (24) Interest cost (15,237) (9,248) (1,012) (761) Participant contributions (435) (350) (3) (5) Actuarial gain (loss) (16,231) 123,851 (1,179) 5,690 Acquisitions and divestitures — (9,257) — — Settlements 2,987 6,567 — — Other — — — (21) Foreign currency exchange rate changes (12,427) 33,316 (491) 1,409 Benefits paid 18,640 13,022 1,329 1,393 Benefit obligation, end of year $ (342,759) $ (317,424) $ (21,311) $ (19,944) Pension Benefits Other Benefits Years Ended December 31, 2023 2022 2023 2022 (In thousands) Change in plan assets: Fair value of plan assets, beginning of year $ 281,332 $ 394,026 $ — $ — Actual return on plan assets 21,141 (84,595) — — Employer contributions 8,432 12,080 1,326 1,388 Plan participant contributions 435 350 3 5 Acquisitions and divestitures — 6,772 — — Settlements (2,987) (6,567) — — Foreign currency exchange rate changes 11,665 (27,712) — — Benefits paid (18,640) (13,022) (1,329) (1,393) Fair value of plan assets, end of year $ 301,378 $ 281,332 $ — $ — Funded status, end of year $ (41,381) $ (36,092) $ (21,312) $ (19,944) Amounts recognized in the balance sheets: Prepaid benefit cost $ 16,358 $ 16,251 $ — $ — Accrued benefit liability, current (3,051) (3,106) (1,427) (1,353) Accrued benefit liability, noncurrent (54,688) (49,237) (19,885) (18,591) Net funded status $ (41,381) $ (36,092) $ (21,312) $ (19,944) The accumulated benefit obligation for all defined benefit pension plans was $360.7 million and $305.7 million at December 31, 2023 and 2022, respectively. The projected benefit obligation, accumulated benefit obligation, and fair value of plan assets for the pension plans with a projected benefit obligation in excess of plan assets were $281.1 million, $278.4 million, and $224.0 million, respectively, as of December 31, 2023 and $262.7 million, $251.0 million, and $210.4 million, re spectively, as of December 31, 2022. The accumulated benefit obligation and fair value of plan assets for other postretirement benefit plans with an accumulated benefit obligation in excess of plan assets were $21.3 million and $0.0 million, respectively, as of December 31, 2023 and were $19.9 million and $0.0 million, respectively, as of December 31, 2022. The following table provides the components of net periodic benefit costs for the plans. Pension Benefits Other Benefits Years Ended December 31, 2023 2022 2021 2023 2022 2021 (In thousands) Components of net periodic benefit cost: Service cost $ 2,632 $ 3,491 $ 3,953 $ 11 $ 24 $ 33 Interest cost 15,237 9,248 7,512 1,012 761 727 Expected return on plan assets (16,512) (16,023) (16,337) — — — Amortization of prior service cost 176 174 110 — — — Settlement loss (gain) (101) 1,189 (18) — — — Other adjustments — — (191) — — — Net loss (gain) recognition (938) 734 3,764 (737) (73) (43) Net periodic benefit cost (income) $ 494 $ (1,187) $ (1,207) $ 286 $ 712 $ 717 We recorded settlement losses totaling $1.2 million during 2022. The settlement losses were the result of lump-sum payments to participants that exceeded the sum of the pension plan's respective annual service cost and interest cost amounts. The following table presents the assumptions used in determining the benefit obligations and the net periodic benefit cost amounts. Pension Benefits Other Benefits Years Ended December 31, Years Ended December 31, 2023 2022 2023 2022 Weighted average assumptions for benefit obligations at year end: Discount rate 4.5 % 4.9 % 4.7 % 5.2 % Salary increase 3.2 % 3.2 % N/A N/A Cash balance interest credit rate 4.4 % 4.5 % N/A N/A Weighted average assumptions for net periodic cost for the year: Discount rate 4.9 % 2.0 % 5.2 % 2.9 % Salary increase 3.2 % 3.3 % N/A N/A Cash balance interest credit rate 4.5 % 4.7 % N/A N/A Expected return on assets 5.2 % 4.4 % N/A N/A Assumed health care cost trend rates: Health care cost trend rate assumed for next year N/A N/A 5.2 % 5.3 % Rate that the cost trend rate gradually declines to N/A N/A 4.6 % 5.0 % Year that the rate reaches the rate it is assumed to remain at N/A N/A 2028 2023 During 2023, there was a ruling in the United Kingdom related to the validity of certain amendments to benefits in contracted-out salary-related defined benefit pension plans. The ruling is subject to an ongoing appeal. The ruling may potentially be applicable to certain defined benefit pension plans we have in the United Kingdom. While we do not believe the impact of this ruling will have a material impact to our projected benefit obligation, we will continue to monitor the appeals process. As of December 31, 2023, no specific adjustments for this matter have been included in estimating our projected benefit obligation and related net periodic benefit costs. Plan assets are invested using a total return investment approach whereby a mix of equity securities and fixed income securities are used to preserve asset values, diversify risk, and achieve our target investment return benchmark. Investment strategies and asset allocations are based on consideration of the plan liabilities, the plan’s funded status, and our financial condition. Investment performance and asset allocation are measured and monitored on an ongoing basis. Plan assets are managed in a balanced portfolio comprised of two major components: an asset growth portion and an asset protection portion. The expected role of asset growth investments is to maximize the long-term real growth of assets, while the role of asset protection investments is to generate current income, provide for more stable periodic returns, and provide some protection against a permanent loss of capital. Absent regulatory or statutory limitations, the target asset allocation for the investment of the assets for our ongoing pension plans is 45-60% in asset protection investments and 40-55% in asset growth investments and for our pension plans where the majority of the participants are in payment or terminated vested status is 80-90% in asset protection investments and 10-20% in asset growth investments. Asset growth investments include a diversified mix of U.S. and international equity, primarily invested through investment funds. Asset protection investments include government securities and investment grade corporate bonds, primarily invested through investment funds and group insurance contracts. We develop our expected long-term rate of return assumptions based on the historical rates of returns for securities and instruments of the type in which our plans invest. The expected long-term rate of return on plan assets reflects the average rate of earnings expected on the invested assets and future assets to be invested to provide for the benefits included in the projected benefit obligation. We use historic plan asset returns combined with current market conditions to estimate the rate of return. The expected rate of return on plan assets is a long-term assumption based on an analysis of historical and forward looking returns considering the plan’s actual and target asset mix. The following table presents the fair values of the pension plan assets by asset category. December 31, 2023 December 31, 2022 Fair Market Value at December 31, 2023 Quoted Prices Significant Investments Measured at Net Asset Value Fair Market Value at December 31, 2022 Quoted Prices Significant Investments Measured at Net Asset Value (In thousands) (In thousands) Asset Category: Equity securities(a) U.S. equities fund $ 34,966 $ — $ — $ 34,966 $ 49,153 $ 4,384 $ — $ 44,769 Non-U.S. equities fund 35,939 — — 35,939 51,227 5,393 — 45,834 Debt securities(b) Government bond fund 77,480 — — 77,480 56,318 — 2,011 54,307 Corporate bond fund 62,456 — — 62,456 67,406 — 7,175 60,231 Fixed income fund(c) 22,673 — — 22,673 22,680 — — 22,680 Liability driven investment fund(d) 51,412 — — 51,412 14,629 — — 14,629 Other investments(e) 9,565 — — 9,565 10,531 — — 10,531 Cash and equivalents 6,887 2,662 — 4,225 9,388 3,242 — 6,146 Total $ 301,378 $ 2,662 $ — $ 298,716 $ 281,332 $ 13,019 $ 9,186 $ 259,127 (a) This category includes investments in actively managed and indexed investment funds that invest in a diversified pool of equity securities of companies located in the U.S., Canada, Western Europe and other developed countries throughout the world. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund. Equity securities held in separate accounts are valued based on observable quoted prices on active exchanges. (b) This category includes investments in investment funds that invest in U.S. treasuries; other national, state and local government bonds; and corporate bonds of highly rated companies from diversified industries. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund. (c) This category includes guaranteed insurance contracts and annuity policies. (d) This category includes investments in funds that are designed to provide leveraged exposure to changes in interest rates. The fund purchases shares of funds that invest in government bonds, debt repurchase agreements, total return swaps and interest rate swaps. (e) This category includes investments in hedge funds that pursue multiple strategies in order to provide diversification and balance risk/return objectives, real estate funds, and private equity funds. The plans do not invest in individual securities. All investments are through well diversified investment funds. As a result, there are no significant concentrations of risk within the plan assets. The following table reflects the benefits as of December 31, 2023 expected to be paid in each of the next five years and in the aggregate for the five years thereafter from our pension and other postretirement plans. Because our other postretirement plans are unfunded, the anticipated benefits with respect to these plans will come from our own assets. Because our pension plans are primarily funded plans, the anticipated benefits with respect to these plans will come primarily from the trusts established for these plans. Pension Other (In thousands) 2024 $ 22,915 $ 1,460 2025 20,919 1,466 2026 20,542 1,464 2027 21,908 1,467 2028 23,476 1,483 2029-2033 100,988 7,392 Total $ 210,748 $ 14,732 We anticipate contributing $12.3 million and $1.5 million to our pension and other postretirement plans, respectively, during 2024. The pre-tax amounts in accumulated other comprehensive loss that have not yet been recognized as components of net periodic benefit cost at December 31, 2023 and the changes in these amounts during the year ended December 31, 2023 are as follows. Pension Other (In thousands) Components of accumulated other comprehensive loss: Net actuarial loss (gain) $ 24,298 $ (5,322) Net prior service cost 2,148 — $ 26,446 $ (5,322) Pension Other (In thousands) Changes in accumulated other comprehensive loss: Net actuarial loss (gain), beginning of year $ 11,695 $ (7,117) Amortization of actuarial gain 938 737 Actuarial loss 16,231 1,179 Asset gain (4,629) — Settlement loss recognized 101 — Currency impact (38) (121) Net actuarial loss (gain), end of year $ 24,298 $ (5,322) Prior service cost, beginning of year $ 2,197 $ — Amortization of prior service cost (176) — Currency impact 127 — Prior service cost, end of year $ 2,148 $ —

Comprehensive Income and Accumu

Comprehensive Income and Accumulated Other Comprehensive Income (Loss)	12 Months Ended
	Dec. 31, 2023
Equity [Abstract]
Comprehensive Income and Accumulated Other Comprehensive Income (Loss)	Comprehensive Income and Accumulated Other Comprehensive Income (Loss) The accumulated balances related to each component of other comprehensive income (loss), net of tax, are as follows: Foreign Currency Pension and Other Accumulated Other Comprehensive Income (Loss) (In thousands) Balance at December 31, 2021 $ (41,468) $ (29,098) $ (70,566) Other comprehensive income attributable to Belden before reclassifications 42,531 23,629 66,160 Amounts reclassified from accumulated other comprehensive income (3,007) 1,542 (1,465) Net current period other comprehensive income attributable to Belden 39,524 25,171 64,695 Balance at December 31, 2022 $ (1,944) $ (3,927) $ (5,871) Other comprehensive loss attributable to Belden before reclassifications (24,431) (9,696) (34,127) Amounts reclassified from accumulated other comprehensive income (139) (1,142) (1,281) Net current period other comprehensive loss attributable to Belden (24,570) (10,838) (35,408) Balance at December 31, 2023 $ (26,514) $ (14,765) $ (41,279) As of December 31, 2023, the tax balances included in accumulated other comprehensive income (loss) in the table above are not material. The following table summarizes the effects of reclassifications from accumulated other comprehensive income (loss): Amount Reclassified from Affected Line Item in the (In thousands) Amortization of pension and other postretirement benefit plan items: Actuarial gains $ (1,675) (1) Prior service cost 176 (1) Total before tax (1,499) Tax expense 357 Total net of tax $ (1,142) (1) The amortization of these accumulated other comprehensive income (loss) components are included in the computation of net periodic benefit costs (see Note 19). (2) In addition, we reclassified $0.1 million of accumulated foreign currency translation gains associated with the sale of the Hite JV.

Share-Based Compensation

Share-Based Compensation	12 Months Ended
	Dec. 31, 2023
Share-Based Payment Arrangement [Abstract]
Share-Based Compensation	Share-Based Compensation Compensation cost included in income from continuing operations, primarily selling, general and administrative expense, and the income tax benefit recognized for our share-based compensation arrangements is included below: Years Ended December 31, 2023 2022 2021 (In thousands) Total share-based compensation cost $ 21,024 $ 23,454 $ 22,627 Income tax benefit 5,004 5,582 5,385 We currently have outstanding stock appreciation rights (SARs), restricted stock units with service vesting conditions, restricted stock units with performance vesting conditions, and restricted stock units with market conditions. We grant SARs with an exercise price equal to the closing market price of our common stock on the grant date. Generally, SARs may be converted into shares of our common stock in equal amounts on each of the first three anniversaries of the grant date and expire 10 years from the grant date. Certain awards provide for accelerated vesting in certain circumstances, including following a change in control of the Company. Restricted stock units with service conditions generally vest 3-5 years from the grant date. Restricted stock units issued based on the attainment of the performance conditions generally vest on the second or third anniversary of their grant date. Restricted stock units issued based on the attainment of market conditions generally vest on the third anniversary of their grant date. We recognize compensation cost for all awards based on their fair values. The fair values for SARs are estimated on the grant date using the Black-Scholes-Merton option-pricing formula which incorporates the assumptions noted in the following table. Expected volatility is based on historical volatility, and expected term is based on historical exercise patterns of SAR holders. The fair value of restricted stock units with service vesting conditions or performance vesting conditions is the closing market price of our common stock on the date of grant. We estimate the fair value of certain restricted stock units with market conditions using a Monte Carlo simulation valuation model with the assistance of a third party valuation firm. Compensation costs for awards with service conditions are amortized to expense using the straight-line method. Compensation costs for awards with performance conditions and graded vesting are amortized to expense using the graded attribution method. Years Ended December 31, 2023 2022 2021 (In thousands, except weighted average fair Weighted-average fair value of SARs granted $ 39.44 $ 21.85 $ 18.30 Total intrinsic value of SARs exercised 12,229 4,384 1,581 Tax benefit from SARs exercised 660 678 327 Weighted-average fair value of restricted stock units granted 95.32 61.61 51.76 Total fair value of restricted stock units vested 19,821 16,830 12,623 Expected volatility 43.45 % 43.00 % 45.34 % Expected term (in years) 5.7 5.6 5.7 Risk-free rate 4.26 % 1.89 % 0.70 % Dividend yield 0.23 % 0.37 % 0.44 % SARs Restricted Stock Units Number Weighted- Weighted- Aggregate Number Weighted- (In thousands, except exercise prices, fair values, and contractual terms) Outstanding at January 1, 2023 958 $ 64.13 4.8 $ 10,017 897 $ 54.59 Granted 115 85.77 410 95.32 Exercised or converted (576) 67.85 (398) 49.77 Forfeited or expired (84) 63.97 (210) 59.98 Outstanding at December 31, 2023 413 $ 64.97 6.6 $ 6,220 699 $ 71.95 Exercisable or convertible at December 31, 2023 213 $ 61.16 4.8 $ 3,684 At December 31, 2023, the total unrecognized compensation cost related to all nonvested awards was $31.5 million. That cost is expected to be recognized over a weighted-average period of 2.0 years. Historically, we have issued treasury shares, if available, to satisfy award c onversions and exercises.

Share Repurchases

Share Repurchases	12 Months Ended
	Dec. 31, 2023
Equity [Abstract]
Share Repurchases	Share RepurchasesIn 2018, our Board of Directors authorized a share repurchase program, which allows us to purchase up to $300.0 million of our common stock through open market repurchases, negotiated transactions, or other means, in accordance with applicable securities laws and other restrictions. In 2023, our Board of Directors authorized an additional $300.0 million under the share repurchase program. This program is funded with cash on hand and cash flows from operating activities. During 2023, we repurchased 2.3 million shares of our common stock for an aggregate cost of $192.1 million at an average price per share of $85.27. During 2022, we repurchased 2.6 million shares of our common stock for an aggregate cost of $150.0 million at an average price per share of $57.95. During 2021, we did not repurchase shares of our common stock. From inception of our program, we have repurchased 6.7 million shares of our common stock for an aggregate cost of $427.1 million and an average price per share of $63.67. As of December 31, 2023, we had $172.9 million of authorizations remaining under the program. This share repurchase authorization does not have an expiration date.

Market Concentrations and Risks

Market Concentrations and Risks	12 Months Ended
	Dec. 31, 2023
Risks and Uncertainties [Abstract]
Market Concentrations and Risks	Market Concentrations and Risks Concentrations of Credit We sell our products to many customers in several markets across multiple geographic areas. The ten largest customers, of which seven are distributors, constitute in aggregate approximately 44%, 45%, and 44% of revenues in 2023, 2022, and 2021, respectively. Unconditional Commodity Purchase Obligations At December 31, 2023, we were committed to purchase approximately 2.7 million pounds of copper at an aggregate fixed cost of $10.5 million. At December 31, 2023, this fixed cost was $0.1 million greater than the market cost that would be incurred on a spot purchase of the same amount of copper. The aggregate market cost was based on the current market price of copper obtained from the New York Mercantile Exchange. Labor Approximately 27% of our labor force is covered by collective bargaining agreements at various locations around the world, and we expect to renegotiate these agreements during 2024. Fair Value of Financial Instruments

Contingent Liabilities

Contingent Liabilities	12 Months Ended
	Dec. 31, 2023
Commitments and Contingencies Disclosure [Abstract]
Contingent Liabilities	Contingent Liabilities General Various claims are asserted against us in the ordinary course of business including those pertaining to income tax examinations, product liability, customer, employment, vendor, and patent matters. Based on facts currently available, management believes that the disposition of the claims that are pending or asserted will not have a materially adverse effect on our financial position, operating results, or cash flow. Letters of Credit, Guarantees and Bonds At December 31, 2023, we were party to unused standby letters of credit, surety bonds, and bank guarantees totaling $10.6 million, $4.7 million, and $4.6 million, respectively. These commitments are generally issued to secure obligations we have for a variety of commercial reasons, such as workers compensation self-insurance programs in several states and the importation and exportation of product.

Supplemental Cash Flow Informat

Supplemental Cash Flow Information	12 Months Ended
	Dec. 31, 2023
Supplemental Cash Flow Elements [Abstract]
Supplemental Cash Flow Information	Supplemental Cash Flow Information Supplemental cash flow information is as follows: Years Ended December 31, 2023 2022 2021 (In thousands) Income tax refunds received $ 6,680 $ 16,480 $ 6,120 Income taxes paid (62,367) (71,255) (40,139) Interest paid (42,105) (45,168) (54,176)

Schedule II - Valuation and Qua

Schedule II - Valuation and Qualifying Accounts	12 Months Ended
	Dec. 31, 2023
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]
Schedule II - Valuation and Qualifying Accounts	Schedule II – Valuation and Qualifying Accounts Beginning Charged to Divestitures/ Charge Recoveries Currency Ending (In thousands) Accounts Receivable — Allowance for Doubtful Accounts: 2023 $ 7,954 $ 15,745 $ 422 $ (154) $ (861) $ 8 $ 23,114 2022 4,864 6,615 319 (3,648) (121) (75) 7,954 2021 5,085 597 (190) (326) (227) (75) 4,864 Inventories — Excess and Obsolete Allowances: 2023 $ 45,913 $ 28,018 $ 3,844 $ (8,220) $ (1,900) $ 213 $ 67,868 2022 45,663 8,349 813 (4,116) (4,102) (694) 45,913 2021 32,248 10,673 3,927 — (915) (270) 45,663 Deferred Income Tax Asset — Valuation Allowance: 2023 $ 142,330 $ 2,360 $ 389 $ (35,085) $ (549) $ 231 $ 109,676 2022 66,960 12,861 73,432 — (10,333) (590) 142,330 2021 82,549 865 25,664 (406) (41,463) (249) 66,960

Pay vs Performance Disclosure

Pay vs Performance Disclosure - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pay vs Performance Disclosure
Net Income (Loss)	$ 242,759	$ 254,663	$ 63,925

Insider Trading Arrangements

Insider Trading Arrangements	3 Months Ended	12 Months Ended
	Dec. 31, 2023 shares	Dec. 31, 2023 shares
Trading Arrangements, by Individual
Material Terms of Trading Arrangement		The adoption, modification, or termination of contracts for the purchase or sale of our securities by our Section 16 officers and directors for the three months ended December 31, 2023, each of which is intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) under the Exchange Act (“Rule 10b5-1 Plan”), were as follows: Name Title Action Date Expiration Date Total Shares Brian Lieser (1) Executive Vice President, Industrial Automation Solutions Adoption 11/15/2023 2/28/2025 2,875 (1) Brian Lieser, Executive Vice President, Industrial Automation Solutions, entered into a pre-arranged stock trading plan pursuant to Rule 10b5-1 on November 15, 2023. Mr. Lieser's plan provides for the vesting of restricted stock units and the associated sale of up to 2,875 shares of Belden common stock. The plan expires on February 28, 2025, or upon the earlier completion of all authorized transactions under the plan.
Non-Rule 10b5-1 Arrangement Adopted	false
Rule 10b5-1 Arrangement Terminated	false
Non-Rule 10b5-1 Arrangement Terminated	false
Brian Lieser [Member]
Trading Arrangements, by Individual
Name	Brian Lieser
Title	Executive Vice President
Rule 10b5-1 Arrangement Adopted	true
Adoption Date	11/15/2023
Arrangement Duration	471 days
Aggregate Available	2,875	2,875

Summary of Significant Accoun_2

Summary of Significant Accounting Policies (Policies)	12 Months Ended
	Dec. 31, 2023
Accounting Policies [Abstract]
Business Description	Business Description
Consolidation	Consolida tion The accompanying Consolidated Financial Statements include Belden Inc. and all of its subsidiaries. We eliminate all significant affiliate accounts and transactions in consolidation.
Foreign Currency	Foreign Currency For international operations with functional currencies other than the United States (U.S.) dollar, we translate assets and liabilities at current exchange rates; we translate income and expenses using average exchange rates. We report the resulting translation adjustments, as well as gains and losses from certain affiliate transactions, in accumulated other comprehensive income (loss), a separate component of stockholders’ equity. We include exchange gains and losses on transactions in operating income. We determine the functional currency of our foreign subsidiaries based upon the currency of the primary economic environment in which each subsidiary operates. Typically, that is determined by the currency in which the subsidiary primarily generates and expends cash. We have concluded that the local currency is the functional currency for all of our material subsidiaries.
Broadband Solutions	Reporting Periods Our fiscal year and fiscal fourth quarter both end on December 31. Our fiscal first quarter ends on the Sunday falling closest to 91 days after December 31. Our fiscal second and third quarters each have 91 days.
Use of Estimates in the Preparation of the Financial Statements	Use of Estimates in the Preparation of the Financial Statements The preparation of financial statements in conformity with accounting principles generally accepted in the U.S. requires us to make estimates and assumptions that affect the reported amounts of assets, liabilities, and operating results and the disclosure of contingencies. Actual results could differ from those estimates. We make significant estimates with respect to the collectability and valuation of receivables, the valuation of inventory, the realization of deferred tax assets, the valuation of goodwill and indefinite-lived intangible assets, the valuation of contingent liabilities, the calculation of share-based compensation, the calculation of pension and other postretirement benefits expense, and the valuation of acquired businesses.
Fair Value Measurement	Fair Value Measurement Accounting guidance for fair value measurements specifies a hierarchy of valuation techniques based upon whether the inputs to those valuation techniques reflect assumptions other market participants would use based upon market data obtained from independent sources or reflect our own assumptions of market participant valuation. The hierarchy is broken down into three levels based on the reliability of the inputs as follows: • Level 1 – Quoted prices in active markets that are unadjusted and accessible at the measurement date for identical, unrestricted assets or liabilities; • Level 2 – Quoted prices for identical assets and liabilities in markets that are not active, quoted prices for similar assets and liabilities in active markets, or financial instruments for which significant inputs are observable, either directly or indirectly; and • Level 3 – Prices or valuations that require inputs that are both significant to the fair value measurement and unobservable.
Cash and Cash Equivalents	Cash and Cash Equivalents We classify cash on hand and deposits in banks, including commercial paper, money market accounts, and other investments with an original maturity of three months or less, that we hold from time to time, as cash and cash equivalents. We periodically have cash equivalents consisting of short-term money market funds and other investments. As of December 31, 2023 and 2022, we did not have any such cash equivalents on hand. The primary objective of our investment activities is to preserve our capital for the purpose of funding operations. We do not enter into investments for trading or speculative purposes.
Accounts Receivable and Revenue Reserves	Accounts Receivable and Revenue Reserves We classify amounts owed to us and due within twelve months, arising from the sale of goods or services and from other business activities, as current receivables. We classify receivables due after twelve months as other long-lived assets. At the time of sale, we establish an estimated reserve for trade, promotion, and other special price reductions such as contract pricing, discounts to meet competitor pricing, and on-time payment discounts. We also adjust receivable balances for, among other things, correction of billing errors, incorrect shipments, and settlement of customer disputes. Customers are allowed to return inventory if and when certain conditions regarding the physical state of the inventory and our approval of the return are met. Certain distribution customers are allowed to return inventory at original cost, in an amount not to exceed three percent of the prior year’s purchases, in exchange for an order of equal or greater value. Until we can process these reductions, corrections, and returns (together, the Changes) through individual customer records, we estimate the amount of outstanding Changes and recognize them by reducing revenues. We base these estimates on historical and anticipated sales demand, trends in product pricing, and historical and anticipated Changes patterns. We make revisions to these estimates in the period in which the facts that give rise to each revision become known. Future market conditions might require us to take actions to further reduce prices and increase customer return authorizations. Unprocessed Changes recognized against our gross accounts receivable, such as price reductions, at December 31, 2023 and 2022 totaled $26.0 million and $24.3 million, respectively. Unprocessed Changes recognized as accrued liabilities, such as product returns, at December 31, 2023 and 2022 totaled $15.6 million and $11.7 million, respectively. We are exposed to credit losses primarily through sales of products and services. Our expected loss allowance methodology for accounts receivable is developed using historical collection experience, current and future economic and market conditions and a review of the current status of customers' trade accounts receivables. Due to the short-term nature of such receivables, the estimate of amount of accounts receivable that may not be collected is based on aging of the accounts receivable balances and the financial condition of customers. Additionally, specific allowance amounts are established to record the appropriate provision for customers that have a higher probability of default. Our monitoring activities include timely account reconciliation, dispute resolution, payment confirmation, consideration of customers' financial condition and macroeconomic conditions. Balances are written off when dete
Inventories and Related Reserves	Inventories and Related Reserves Inventories are stated at the lower of cost or net realizable value. We determine the cost of all raw materials, work-in-process, and finished goods inventories by the first in, first out method. Cost components of inventories include direct labor, applicable production overhead, and amounts paid to suppliers of materials and products as well as freight costs and, when applicable, duty costs to import the materials and products. We evaluate the realizability of our inventory on a product-by-product basis in light of historical and anticipated sales demand, technological changes, product life cycle, component cost trends, product pricing, and inventory condition. In circumstances where inventory levels are in excess of anticipated market demand, where inventory is deemed technologically obsolete or not saleable due to condition, or where inve
Property, Plant and Equipment	Property, Plant and Equipment We record property, plant and equipment at cost. We calculate depreciation on a straight-line basis over the estimated useful lives of the related assets ranging from 10 to 40 years for buildings, 5 to 12 years for machinery and equipment, and 5 to 10 years for computer equipment and software. Construction in process reflects amounts incurred for property, plant and equipment not yet placed into service. We charge maintenance and repairs—both planned major activities and less-costly, ongoing activities—to expense as incurred. We capitalize interest costs associated with the construction of capital assets and amortize the costs over the assets’ useful lives. Depreciation expense is included in costs of sales; selling, general and administrative expenses; and research and development expenses in the Consolidated Statements of Operations based on the specific categorization and use of the underlying assets being depreciated. We review property, plant and equipment to determine whether an event or change in circumstances indicates the carrying values of the assets may not be recoverable. We base our evaluation on the nature of the assets, the future economic benefit of the assets, and any historical or future profitability measurements, as well as other external market conditions or factors that may be present. If such impairment indicators are present or other factors exist that indicate that the carrying amount of an asset may not be recoverable, we determine whether impairment has occurred through the use of an undiscounted cash flow analysis. If impairment has occurred, we recognize a loss for the difference between the carrying amount and the fair value of the asset. For purposes of impairment testing of long-lived assets, we have identified asset groups at the lowest level for which identifiable cash flows are largely independent of the cash flows of other assets and liabilities. Generally, our asset groups are based on an individual plant or operating facility level. In some circumstances, however, a combination of plants or operating facilities may be considered the asset group due to interdependence of operational activities and cash flows.
Goodwill and Intangible Assets	Goodwill and Intangible Assets Our intangible assets consist of (a) definite-lived assets subject to amortization such as developed technology, customer relationships, in-service research and development, certain trademarks, backlog, and capitalized software intangible assets, and (b) indefinite-lived assets not subject to amortization such as goodwill and certain trademarks. We record amortization of the definite-lived intangible assets over the estimated useful lives of the related assets, which generally range from one year or less for backlog to more than 20 years for certain of our customer relationships. We determine the amortization method for our definite-lived intangible assets based on the pattern in which the economic benefits of the intangible asset are consumed. In the event we cannot reliably determine that pattern, we utilize a straight-line amortization method. We test our goodwill and other indefinite-lived intangible assets not subject to amortization for impairment on an annual basis as of our fiscal November month-end or when indicators of impairment exist. We base our estimates on assumptions we believe to be reasonable, but which are not predictable with precision and therefore are inherently uncertain. Actual future results could differ from these estimates. The accounting guidance related to goodwill impairment testing allows for the performance of an optional qualitative assessment of whether it is more likely than not that the fair value of a reporting unit is less than its carrying value. Such an evaluation is made based on the weight of all available evidence and the significance of all identified events and circumstances that may influence the fair value of a rep orting unit. If it is more likely than not that the fair value is less than the carrying value, then a quantitative assessment is required for the reporting unit, as described in the paragraph below. In 2023, we performed a qualitative assessment over three of our reporting units. For our annual impairment test in 2023, we performed a quantitative assessment for three of our reporting units. Under a quantitative assessment for goodwill impairment, we determine the fair value using the income approach (using Level 3 inputs). Under the income approach, we calculate the fair value of a reporting unit based on the present value of estimated future cash flows. If the fair value of the reporting unit exceeds the carrying value of the net assets including goodwill assigned to that unit, goodwill is not impaired. If the carrying value of the reporting unit’s net assets including goodwill exceeds the fair value of the reporting unit, then we record an impairment charge based on that difference. In addition to the income approach, we calculate the fair value of our reporting units under a market approach. The market approach measures the fair value of a reporting unit through analysis of financial multiples of comparable businesses. Consideration is given to the financial conditions and operating performance of the reporting unit being valued relative to those publicly-traded companies operating in the same or similar lines of business. Based on our annual goodwill impairment test, the excess fair value over the carrying value for the reporting units tested under the quantitative income approach ranged fr om 30% to 106%. Using both an income approach and market approach, we determined that there was no impairment during 2023. During 2022 and 2021, we did not recognize any goodwill impairment from continuing operations other than a $1.7 million impairment in 2021 in connection with the sale of an oil and gas business in Brazil. See Notes 5 for further discussion. We also evaluate indefinite lived intangible assets for impairment annually or at other times if events have occurred or circumstances exist that indicate the carrying values of those assets may no longer be recoverable. We compare the fair value of the asset with its carrying amount. If the carrying amount of the asset exceeds its fair value, we recognize an impairment loss in an amount equal to that excess. We did not recognize impairment charges for our indefinite lived intangible assets from continuing operations in 2023, 2022, or 2021. See Note 13 for further discussion. impairment
Pension and Other Postretirement Benefits	Pension and Other Postretirement Benefits Our pension and other postretirement benefit costs and obligations are dependent on the various actuarial assumptions used in calculating such amounts. These assumptions relate to discount rates, salary growth, long-term return on plan assets, health care cost trend rates, mortality tables, and other factors. We base the discount rate assumptions on current investment yields on high-quality corporate long-term bonds. The salary growth assumptions reflect our long-term actual experience and future or near-term outlook. We determine the long-term return on plan assets based on historical portfolio results and management’s expectation of the future economic environment. Our health care cost trend assumptions are developed based on historical cost data, the near-term outlook, and an assessment of likely long-term trends. Actual results that differ from our assumptions are accumulated and, if in excess of the lesser of 10% of the projected benefit obligation or the fair market value of plan assets, are amortized over the estimated future working life of the plan participants.
Accrued Sales Rebates and Revenue Recognition	Accrued Sales Rebates We grant incentive rebates to participating customers as part of our sales programs. The rebates are determined based on certain targeted sales volumes. Rebates are paid quarterly or annually in either cash or receivables credits. Until we can process these rebates through individual customer records, we estimate the amount of outstanding rebates and recognize them as accrued liabilities and reductions in our gross revenues. We base our estimates on both historical and anticipated sales demand and rebate program participation. We charge revisions to these estimates back to accrued liabilities and revenues in the period in which the facts that give rise to each revision become known. Future market conditions and product transitions might require us to take actions to increase sales rebates offered, possibly resulting in an incremental increase in accrued liabilities and an i Revenue Recognition
Contingent Liabilities	Contingent Liabilities We have established liabilities for environmental and legal contingencies that are probable of occurrence and reasonably estimable, the amounts of which are currently not material. A significant amount of judgment and use of estimates is required to quantify our ultimate exposure in these matters. We review the valuation of these liabilities on a quarterly basis, and we adjust the balances to account for changes in circumstances for ongoing and emerging issues. We accrue environmental remediation costs based on estimates of known environmental remediation exposures developed in consultation with our environmental consultants and legal counsel, the amounts of which are not currently material. We expense environmental compliance costs, which include maintenance and operating costs with respect to ongoing monitoring programs, as incurred. We evaluate the range of potential costs to remediate environmental sites. The ultimate cost of site clean-up is difficult to predict given the uncertainties of our involvement in certain sites, uncertainties regarding the extent of the required clean-up, the availability of alternative clean-up methods, variations in the interpretation of applicable laws and regulations, the possibility of insurance recoveries with respect to certain sites, and other factors. We are, from time to time, subject to routine litigation incidental to our business. These lawsuits primarily involve claims for damages arising out of the use of our products, allegations of patent or trademark infringement, and litigation and administrative proceedings involving employment matters and commercial disputes. Assessments regarding the ultimate cost of lawsuits require judgments concerning matters such as the anticipated outcome of negotiations, the number and cost of pending and future claims, and the impact of evidentiary requirements. Based on facts currently available, we believe the disposition of the claims that are pending or asserted will not have a materially adverse effect on our financial position, results of operations or cash flow.
Acquisition Accounting	Acquisition Accounting We allocate the consideration of an acquired business to its identifiable assets and liabilities based on estimated fair values. The excess of the consideration over the amount allocated to the assets and liabilities, if any, is recorded to goodwill. We use all available information to estimate fair values. We typically engage third party valuation specialists to assist in the fair value determination of inventories, tangible long-lived assets, and intangible assets other than goodwill. The carrying values of acquired receivables and accounts payable have historically approximated their fair values as of the acquisition date. As necessary, we may engage third party specialists to assist in the estimation of fair value for certain liabilities, such as postretirement benefit liabilities. We adjust the preliminary acquisition accounting, as necessary, typically up to one year after the acquisition closing date as we obtain more information regarding asset valuations and liabilities assumed.
Cost of Sales and Shipping and Handling Costs	Cost of Sales Cost of sales includes our total cost of inventory sold during the period, including material, labor, production overhead costs, variable manufacturing costs, and fixed manufacturing costs. Production overhead costs include operating supplies, applicable utility expenses, maintenance costs, and scrap. Variable manufacturing costs include inbound, interplant, and outbound freight, inventory shrinkage, and charges for excess and obsolete inventory. Fixed manufacturing costs include the costs associated with our purchasing, receiving, inspection, warehousing, distribution centers, production and inventory control, and manufacturing management. Cost of sales also includes the costs to provide maintenance and support and other professional services. Shipping and Handling Costs We recognize fees earned on the shipment of product to customers as revenues and recognize costs incurred on the shipment of product to customers as a cost of sales.
Selling, General and Administrative Expenses	Selling, General and Administrative Expenses Selling, general and administrative expenses include expenses not directly related to the production of inventory. They include all expenses related to selling and marketing our products, as well as the salary and benefit costs of associates performing the selling and marketing functions. Selling, general and administrative expenses also include salary and benefit costs, purchased services, and other costs related to our executive and administrative functions.
Research and Development Costs	Research and Development Costs Research and development costs are expensed as incurred.
Advertising Costs	Advertising Costs
Share-Based Compensation	Share-Based Compensation We compensate certain employees and non-employee directors with various forms of share-based payment awards and recognize compensation costs for these awards based on their fair values. We estimate the fair values of certain awards, primarily stock appreciation rights (SARs), on the grant date using the Black-Scholes-Merton option-pricing formula, which incorporates certain assumptions regarding the expected term of an award and expected stock price volatility. We develop the expected term assumption based on the vesting period and contractual term of an award, our historical exercise and cancellation experience, our stock price history, plan provisions that require exercise or cancellation of awards after employees terminate, and the extent to which currently available information indicates that the future is reasonably expected to differ from past experience. We develop the expected volatility assumption based on historical price data for our common stock. We estimate the fair value of certain restricted stock units with service vesting conditions and performance vesting conditions based on the grant date stock price. We estimate the fair value of certain restricted stock units with market conditions using a Monte Carlo simulation valuation model with the assistance of a third party valuation firm. After calculating the aggregate fair value of an award, we use an estimated forfeiture rate to discount the amount of share-based compensation cost expected to be recognized in our operating results over the service period of the award. We develop the forfeiture assumption based on our historical pre-vesting cancellation experience.
Income Taxes	Income Taxes Income taxes are provided based on earnings reported for financial statement purposes. The provision for income taxes differs from the amounts currently payable to taxing authorities due to the temporary or permanent timing differences with respect to the recognition of revenues, expenses, and tax attributes for income tax purposes compared to financial statement purposes. Income taxes are provided as if operations in all countries, including the U.S., were stand-alone businesses filing separate tax returns. Deferred income taxes are recognized by applying enacted statutory tax rates applicable to future years to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases as well as net operating loss and tax credit carryforwards. Deferred tax assets generally represent future tax benefits to be received when these carryforwards can be applied against future taxable income or when expenses previously reported in our Consolidated Financial Statements become deductible for income tax purposes. A deferred tax asset valuation allowance is required when some portion or all of the deferred tax assets may not be realized. At December 31, 2023, the valuation allowance of $109.7 million was primarily related to net operating losses and capital losses that we do not currently expect to realize. Our effective tax rate is based on expected income, statutory tax rates, and tax planning opportunities available to us in the various jurisdictions in which we operate. Significant judgment is required in determining our effective tax rate and in evaluating our tax positions. We establish accruals for uncertain tax positions when we believe that the full amount of the associated tax benefit may not be realized. To the extent we were to prevail in matters for which accruals have been established or would be required to pay amounts in excess of reserves, there could be a material effect on our income tax provisions in the period in which such determination is made. In December 2023, the FASB issued ASU 2023-09, Income Taxes (Topic 740) Improvements to Income Tax Disclosures (ASU 2023-09) enhancing the transparency and decision usefulness of income tax disclosures. ASU 2023-09 addresses investor requests for more transparency about income tax information through improvements to income tax disclosures primarily related to the rate reconciliation and income taxes paid information.
Recently Adopted Securities and Exchange Commission Rules	Recently Adopted Securities and Exchange Commission Rules The Inflation Reduction Act of 2022 imposed a 1% excise tax on the repurchase of more than $1 million of stock by publicly traded US corporations. The excise tax equals 1% of the fair market value of the stock repurchased during the tax year, reduced by the fair market value of stock issued during the tax year, including stock issued to employees of the corporation. The excise tax applies to repurchases of stock made after December 31, 2022. The amount of excise tax accrued during the year ended December 31, 2023 was immaterial to our consolidated financial statements. Current-Year Adoption of Accounting Pronouncements None of the accounting pronouncements that became effective during 2023 had a material impact to our consolidated financial statements or disclosures. Pending Adoption of Recent Accounting Pronouncements The Financial Accounting Standards Board (FASB) amended the guidance in Accounting Standards Codification (ASC) 280, Segment Reporting , to require public companies disclose significant segment expenses and other segment items on an annual and interim basis and to provide in interim periods all disclosures about a reportable segment’s profit or loss and assets that are currently required annually. The guidance is effective for public entities for fiscal years beginning after December 15, 2023, and interim periods within fiscal years beginning after December 15, 2024. Early adoption is permitted. The guidance is applied retrospectively to all periods presented in the financial statements, unless it is impracticable. The new standard will be effective for us beginning with our 2024 Form 10-K and first quarter 2025 Form 10-Q, respectively. We expect the amended guidance to have a minimal impact on our disclosures.

Revenues (Tables)

Revenues (Tables)	12 Months Ended
	Dec. 31, 2023
Revenue from Contract with Customer [Abstract]
Schedule of Disaggregation of Revenue	The following table presents our revenues disaggregated by major product category (in thousands). Broadband Solutions Industrial Automation Smart Buildings Total Year Ended December 31, 2023 Enterprise Solutions $ 555,030 $ — $ 567,801 $ 1,122,831 Industrial Automation Solutions — 1,389,253 — 1,389,253 Total $ 555,030 $ 1,389,253 $ 567,801 $ 2,512,084 Year Ended December 31, 2022 Enterprise Solutions $ 571,426 $ — $ 627,052 $ 1,198,478 Industrial Automation Solutions — 1,408,007 — 1,408,007 Total $ 571,426 $ 1,408,007 $ 627,052 $ 2,606,485 Year Ended December 31, 2021 Enterprise Solutions $ 488,453 $ — $ 585,973 $ 1,074,426 Industrial Automation Solutions — 1,226,834 — 1,226,834 Total $ 488,453 $ 1,226,834 $ 585,973 $ 2,301,260 The following tables present our revenues disaggregated by geography, based on the location of the customer purchasing the product (in thousands). Americas EMEA APAC Total Revenues Year Ended December 31, 2023 Enterprise Solutions $ 824,991 $ 180,880 $ 116,960 $ 1,122,831 Industrial Automation Solutions 787,739 385,454 216,060 1,389,253 Total $ 1,612,730 $ 566,334 $ 333,020 $ 2,512,084 Year Ended December 31, 2022 Enterprise Solutions $ 915,491 $ 149,327 $ 133,660 $ 1,198,478 Industrial Automation Solutions 816,508 372,473 219,026 1,408,007 Total $ 1,731,999 $ 521,800 $ 352,686 $ 2,606,485 Year Ended December 31, 2021 Enterprise Solutions $ 785,253 $ 150,790 $ 138,383 $ 1,074,426 Industrial Automation Solutions 703,790 323,915 199,129 1,226,834 Total $ 1,489,043 $ 474,705 $ 337,512 $ 2,301,260
Schedule of Contract with Customer, Asset and Liability	The following table presents estimated and accrued variable consideration: December 31, 2023 December 31, 2022 (In thousands) Accrued rebates included in accrued liabilities $ 49,255 $ 55,559 Accrued returns included in accrued liabilities 15,570 11,700 Price adjustment recognized against gross accounts receivable 26,005 24,304 The following table presents deferred revenue activity (in thousands): Balance at December 31, 2021 $ 19,390 New deferrals 30,472 Acquisitions 6,567 Revenue recognized (23,186) Balance at December 31, 2022 $ 33,243 New deferrals 35,157 Acquisitions 104 Revenue recognized (37,442) Balance at December 31, 2023 $ 31,062

Acquisitions (Tables)

Acquisitions (Tables)	12 Months Ended
	Dec. 31, 2023
Business Combination and Asset Acquisition [Abstract]
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed	The following table summarizes the estimated, preliminary fair values of the assets acquired and liabilities assumed as of the acquisition date (in thousands): Receivables $ 5,093 Inventory 7,590 Other current assets 2,733 Property, plant and equipment 13,135 Intangible assets 44,328 Goodwill 32,243 Deferred income taxes 433 Operating lease right-of-use assets 131 Other long-lived assets 4,559 Total assets acquired $ 110,245 Accounts payable $ 1,907 Accrued liabilities 4,283 Deferred income taxes 6,551 Total liabilities assumed $ 12,741 Net assets $ 97,504
Schedule of Acquired Intangible Assets	The intangible assets related to the acquisition consisted of the following: Fair Value Amortization Period (In thousands) (In years) Intangible assets subject to amortization: Customer relationships $ 41,161 20.0 Trademarks 2,184 7.0 Sales backlog 983 0.2 Total intangible assets subject to amortization $ 44,328 Intangible assets not subject to amortization: Goodwill $ 32,243 n/a Total intangible assets not subject to amortization $ 32,243 Total intangible assets $ 76,571 Weighted average amortization period 18.9

Disposals (Tables)

Disposals (Tables)	12 Months Ended
	Dec. 31, 2023
Discontinued Operations and Disposal Groups [Abstract]
Schedule of Disposal Groups, Including Discontinued Operations	The following table summarizes the operating results of the Tripwire disposal group up to the February 22, 2022 disposal date: January 1 - Year Ended (In thousands) Revenues $ 12,067 $ 106,840 Cost of sales (3,256) (24,321) Gross profit 8,811 82,519 Selling, general and administrative expenses (8,185) (48,308) Research and development expenses (5,528) (34,433) Amortization of intangible assets (638) (7,716) Asset impairments — (131,178) Loss before taxes $ (5,540) $ (139,116)

Operating Segments and Geogra_2

Operating Segments and Geographic Information (Tables)	12 Months Ended
	Dec. 31, 2023
Segment Reporting [Abstract]
Schedule of Operating Segment Information	Operating Segment Information Years Ended December 31, 2023 2022 2021 (In thousands) Enterprise Solutions Segment revenues $ 1,122,831 $ 1,198,478 $ 1,074,426 Segment EBITDA 149,107 161,517 144,509 Depreciation expense 24,943 23,387 21,627 Amortization of intangibles 20,085 17,595 17,595 Amortization of software development intangible assets — 54 94 Adjustments related to acquisitions and divestitures 5,359 5,589 (7,052) Severance, restructuring, and acquisition integration costs 11,221 9,200 13,800 Acquisition of property, plant and equipment 36,237 33,535 36,726 Segment assets 637,105 593,653 563,141 Years Ended December 31, 2023 2022 2021 (In thousands) Industrial Automation Solutions Segment revenues $ 1,389,253 $ 1,408,007 $ 1,226,834 Segment EBITDA 287,328 277,079 222,684 Depreciation expense 26,436 23,282 21,446 Amortization of intangibles 20,290 20,265 13,035 Amortization of software development intangible assets 7,692 3,821 1,485 Adjustments related to acquisitions and divestitures 818 2,244 2,017 Severance, restructuring, and acquisition integration costs 13,931 7,485 10,067 Asset impairments — — 9,283 Acquisition of property, plant and equipment 64,072 58,713 41,269 Segment assets 727,477 677,235 600,380 Total Segments Segment revenues $ 2,512,084 $ 2,606,485 $ 2,301,260 Segment EBITDA 436,435 438,596 367,193 Depreciation expense 51,379 46,669 43,073 Amortization of intangibles 40,375 37,860 30,630 Amortization of software development intangible assets 7,692 3,875 1,579 Adjustments related to acquisitions and divestitures 6,177 7,833 (5,035) Severance, restructuring, and acquisition integration costs 25,152 16,685 23,867 Asset impairments — — 9,283 Acquisition of property, plant and equipment 100,309 92,248 77,995 Segment assets 1,364,582 1,270,888 1,163,521
Schedule of Reconciliation of Total Reportable Segments' Revenues and EBITDA to Consolidated Revenues and Consolidated Income Before Taxes	The following table is a reconciliation of the total of the reportable segments’ Revenues and EBITDA to consolidated revenues and consolidated income from continuing operations before taxes, respectively. Years Ended December 31, 2023 2022 2021 (In thousands) Segment Revenues and Consolidated Revenues $ 2,512,084 $ 2,606,485 $ 2,301,260 Total Segment EBITDA $ 436,435 $ 438,596 $ 367,193 Depreciation expense (51,379) (46,669) (43,073) Amortization of intangibles (40,375) (37,860) (30,630) Severance, restructuring, and acquisition integration costs (1) (25,152) (16,685) (23,867) Amortization of software development intangible assets (7,692) (3,875) (1,579) Adjustments related to acquisitions and divestitures (2) (6,177) (7,833) 5,035 Asset impairments (3) — — (9,283) Gain on sale of assets (4) 12,056 37,891 — Eliminations (198) (231) (120) Consolidated operating income 317,518 363,334 263,676 Interest expense, net (33,625) (43,554) (62,693) Loss on debt extinguishment — (6,392) (5,715) Non-operating pension benefit 1,863 4,005 4,476 Gain on sale of note receivable — — 27,036 Consolidated income from continuing operations before taxes $ 285,756 $ 317,393 $ 226,780 (1) Includes costs from programs described in Note 15, Restructuring Activities as well as other immaterial programs. (2) In 2023, we incurred $4.1 million for lease guarantees associated with the Grass Valley disposal (see Note 12), $1.5 million related to fair value adjustments of acquired inventory and other assets, and $0.6 million of net losses associated with the sales of businesses. In 2022, we incurred $10.1 million for lease guarantees associated with the Grass Valley disposal, $2.2 million related to fair value adjustments of acquired inventory and other assets, and gains of $4.5 million on collections from previously written off receivables associated with the sale of Grass Valley. In 2021, we collected $2.2 million of receivables associated with the sale of Grass Valley and acquisition of SPC that were previously written off, reduced the Opterna earn-out liability by $5.8 million, recognized cost of sales of $2.3 million related to adjustments of acquired inventory to fair value, and recognized a $0.6 million loss on the sale of tangible assets. (3) In 2021, we recognized a $3.6 million impairment on assets held and used . See Note 11, Property, Plant, and Equipment , for details. (4) During 2023, we sold certain real estate in Canada for $13.8 million, net of transaction costs and recognized a $12.1 million pre-tax gain on sale. During 2022, we sold certain real estate in the United States for $42.2 million, net of transaction costs and recognized a $37.9 million pre-tax gain on sale. See Note 11, Property, Plant, and Equipment , for details.
Schedule of Reconciliations of Other Segment Measures to Consolidated Totals	Below are reconciliations of other segment measures to the consolidated totals. Years Ended December 31, 2023 2022 2021 (In thousands) Total segment assets $ 1,364,582 $ 1,270,888 $ 1,163,521 Cash and cash equivalents 597,044 687,676 641,563 Goodwill 907,331 862,253 821,448 Intangible assets, less accumulated amortization 269,144 246,830 238,155 Deferred income taxes 15,739 14,642 31,736 Corporate assets 86,351 79,386 72,102 Assets of discontinued operations — — 449,152 Total assets $ 3,240,191 $ 3,161,675 $ 3,417,677 Total segment acquisition of property, plant and equipment $ 100,309 $ 92,248 $ 77,995 Corporate acquisition of property, plant and equipment 16,422 12,846 6,855 Discontinued operations acquisition of property, plant and equipment — — 6,132 Total acquisition of property, plant and equipment $ 116,731 $ 105,094 $ 90,982
Schedule of Revenue from External Customers and Long-Lived Assets Based on Physical Location	The table below summarizes net sales and long-lived assets for the years ended December 31, 2023, 2022, and 2021 for the following countries: U.S., Canada, China, and Germany. No other individual foreign country’s net sales or long-lived assets are material to the Company. United Canada China Germany All Other Total (In thousands, except percentages) Year ended December 31, 2023 Revenues $ 1,383,212 $ 169,122 $ 104,718 $ 134,130 $ 720,902 $ 2,512,084 Percent of total revenues 55 % 7 % 4 % 5 % 29 % 100 % Long-lived assets $ 230,267 $ 13,355 $ 45,326 $ 67,758 $ 144,606 $ 501,312 Year ended December 31, 2022 Revenues $ 1,448,247 $ 188,013 $ 126,904 $ 131,485 $ 711,836 $ 2,606,485 Percent of total revenues 56 % 7 % 5 % 5 % 27 % 100 % Long-lived assets $ 203,070 $ 12,805 $ 45,866 $ 44,061 $ 122,565 $ 428,367 Year ended December 31, 2021 Revenues $ 1,201,540 $ 186,834 $ 149,036 $ 112,710 $ 651,140 $ 2,301,260 Percent of total revenues 52 % 8 % 7 % 5 % 28 % 100 % Long-lived assets $ 170,420 $ 12,578 $ 46,776 $ 37,208 $ 106,140 $ 373,122

Income Per Share (Tables)

Income Per Share (Tables)	12 Months Ended
	Dec. 31, 2023
Earnings Per Share [Abstract]
Schedule of Basis for Income Per Share Computations	The following table presents the basis of the income per share computations: Years Ended December 31, 2023 2022 2021 (In thousands) Numerator: Income from continuing operations $ 242,556 $ 267,748 $ 198,841 Less: Net income (loss) attributable to noncontrolling interest (203) 159 392 Income from continuing operations attributable to Belden common stockholders 242,759 267,589 198,449 Add: Loss from discontinued operations, net of tax — (3,685) (136,384) Add: Gain (loss) on disposal of discontinued operations, net of tax — (9,241) 1,860 Net income attributable to Belden common stockholders $ 242,759 $ 254,663 $ 63,925 Denominator: Weighted average shares outstanding, basic 42,237 43,845 44,802 Effect of dilutive common stock equivalents 622 692 559 Weighted average shares outstanding, diluted 42,859 44,537 45,361

Credit Losses (Tables)

Credit Losses (Tables)	12 Months Ended
	Dec. 31, 2023
Credit Loss [Abstract]
Schedule of Accounts Receivable, Allowance for Credit Loss	The following table presents the activity in the allowance for doubtful accounts for the years ended December 31, 2023 and 2022 (in thousands). Balance at December 31, 2021 $ 4,864 Current period provision 6,615 Write-offs (3,648) Recoveries collected (121) Acquisitions 319 Currency impact (75) Balance at December 31, 2022 $ 7,954 Current period provision 15,745 Write-offs (154) Recoveries collected (861) Acquisitions 422 Currency impact 8 Balance at December 31, 2023 $ 23,114

Inventories (Tables)

Inventories (Tables)	12 Months Ended
	Dec. 31, 2023
Inventory Disclosure [Abstract]
Schedule of Major Classes of Inventories	The major classes of inventories were as follows: December 31, 2023 2022 (In thousands) Raw materials $ 185,233 $ 162,154 Work-in-process 41,197 35,011 Finished goods 208,425 190,311 Gross inventories 434,855 387,476 Excess and obsolete reserves (67,868) (45,913) Net inventories $ 366,987 $ 341,563

Property, Plant and Equipment (

Property, Plant and Equipment (Tables)	12 Months Ended
	Dec. 31, 2023
Property, Plant and Equipment [Abstract]
Carrying Values of Property, Plant and Equipment	The carrying values of property, plant and equipment were as follows: December 31, 2023 2022 (In thousands) Land and land improvements $ 27,627 $ 25,547 Buildings and leasehold improvements 108,960 102,451 Machinery and equipment 666,527 631,680 Computer equipment and software 132,668 127,434 Construction in process 157,056 106,361 Gross property, plant and equipment 1,092,838 993,473 Accumulated depreciation (641,769) (611,609) Net property, plant and equipment $ 451,069 $ 381,864

Leases (Tables)

Leases (Tables)	12 Months Ended
	Dec. 31, 2023
Leases [Abstract]
Schedule of Components of Lease Expense	The components of lease expense were as follows: Years Ended December 31, 2023 2022 2021 (In thousands) Operating lease cost $ 22,562 $ 21,420 $ 18,607 Finance lease cost Amortization of right-of-use asset $ 780 $ 878 $ 528 Interest on lease liabilities 330 258 14 Total finance lease cost $ 1,110 $ 1,136 $ 542
Supplemental Cash Flow Information Related To Leases	Supplemental cash flow information related to leases was as follows: Years Ended December 31, 2023 2022 2021 (In thousands) Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 19,080 $ 18,338 $ 15,737
Supplemental Balance Sheet Information Related To Leases	Supplemental balance sheet information related to leases was as follows: December 31, 2023 2022 (In thousands, except lease term and discount rate) Operating leases: Total operating lease right-of-use assets $ 89,686 $ 73,376 Accrued liabilities $ 18,226 $ 16,442 Long-term operating lease liabilities 74,941 59,250 Total operating lease liabilities $ 93,167 $ 75,692 Finance leases: Other long-lived assets, at cost $ 6,560 $ 6,323 Accumulated depreciation (1,347) (733) Other long-lived assets, net $ 5,213 $ 5,590 Accrued liabilities $ 719 $ 391 Other long-term liabilities 6,084 5,928 Total finance lease liabilities $ 6,803 $ 6,319
Supplemental Other Information Related To Leases	Weighted Average Remaining Lease Term Operating leases 6 years 6 years Finance leases 9 years 10 years Weighted Average Discount Rate Operating leases 5.0% 5.2 % Finance leases 4.3% 4.2 %
Schedule of Operating Lease, Liability, Maturity	The following table summarizes maturities of lease liabilities as of December 31, 2023 (in thousands): 2024 $ 18,664 2025 18,173 2026 16,527 2027 9,074 2028 7,350 Thereafter 28,068 Total $ 97,856 The following table summarizes maturities of lease liabilities as of December 31, 2022 (in thousands): 2023 $ 15,815 2024 14,809 2025 13,472 2026 11,964 2027 6,464 Thereafter 20,907 Total $ 83,431
Schedule of Finance Lease, Liability, Maturity	The following table summarizes maturities of lease liabilities as of December 31, 2023 (in thousands): 2024 $ 18,664 2025 18,173 2026 16,527 2027 9,074 2028 7,350 Thereafter 28,068 Total $ 97,856 The following table summarizes maturities of lease liabilities as of December 31, 2022 (in thousands): 2023 $ 15,815 2024 14,809 2025 13,472 2026 11,964 2027 6,464 Thereafter 20,907 Total $ 83,431

Intangible Assets (Tables)

Intangible Assets (Tables)	12 Months Ended
	Dec. 31, 2023
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Carrying Value of Intangible Assets	The carrying values of intangible assets were as follows: December 31, 2023 December 31, 2022 Gross Accumulated Net Gross Accumulated Net (In thousands) (In thousands) Goodwill $ 907,331 $ — $ 907,331 $ 862,253 $ — $ 862,253 Definite-lived intangible assets subject to amortization: Developed technology $ 300,240 $ (219,210) $ 81,030 $ 273,524 $ (190,808) $ 82,716 Customer relationships 296,616 (145,739) 150,877 253,275 (129,730) 123,545 Trademarks 43,862 (35,089) 8,773 40,951 (30,077) 10,874 Backlog 14,847 (13,483) 1,364 13,554 (11,192) 2,362 In-service research and development 5,000 (5,000) — 5,507 (5,342) 165 Non-compete agreements 810 (710) 100 780 (612) 168 Total intangible assets subject to amortization $ 661,375 $ (419,231) $ 242,144 $ 587,591 $ (367,761) $ 219,830 Indefinite-lived intangible assets not subject to amortization: Trademarks $ 27,000 $ — $ 27,000 $ 27,000 $ — $ 27,000 Total intangible assets not subject to amortization $ 27,000 $ — $ 27,000 $ 27,000 $ — $ 27,000 Intangible assets $ 688,375 $ (419,231) $ 269,144 $ 614,591 $ (367,761) $ 246,830
Schedule of Changes in Carrying Amount of Goodwill	The changes in the carrying amount of goodwill assigned to reporting units in our reportable segments are as follows: Enterprise Solutions Industrial Automation Solutions Consolidated (In thousands) Balance at December 31, 2021 $ 473,241 $ 348,207 $ 821,448 Acquisitions 6,528 44,068 50,596 Translation impact (1,935) (7,856) (9,791) Balance at December 31, 2022 $ 477,834 $ 384,419 $ 862,253 Acquisitions 32,243 5,816 38,059 Translation impact 1,447 5,572 7,019 Balance at December 31, 2023 $ 511,524 $ 395,807 $ 907,331

Accrued Liabilities (Tables)

Accrued Liabilities (Tables)	12 Months Ended
	Dec. 31, 2023
Accrued Liabilities [Abstract]
Schedule of Carrying Value of Accrued Liabilities	The carrying values of accrued liabilities were as follows: December 31, 2023 2022 (In thousands) Wages, severance and related taxes $ 71,880 $ 86,536 Accrued rebates 49,255 55,559 Employee benefits 27,487 26,421 Deferred revenue 23,718 26,215 Lease liabilities 18,945 16,833 Accrued interest 18,774 18,154 Other (individual items less than 5% of total current liabilities) 80,230 60,143 Accrued liabilities $ 290,289 $ 289,861

Restructuring Activities (Table

Restructuring Activities (Tables)	12 Months Ended
	Dec. 31, 2023
Restructuring and Related Activities [Abstract]
Schedule of Severance, Restructuring and Integration Costs by Segment	The following table summarizes the costs of the programs described above by segment, all of which were excluded from Segment EBITDA: Severance Restructuring Total Costs (In thousands) Year Ended December 31, 2023 Enterprise Solutions $ 4,180 $ 5,948 $ 10,128 Industrial Automation Solutions 4,674 3,852 8,526 Total $ 8,854 $ 9,800 $ 18,654 Year Ended December 31, 2022 Enterprise Solutions $ 1,070 $ 7,060 $ 8,130 Industrial Automation Solutions 493 7,847 8,340 Total $ 1,563 $ 14,907 $ 16,470 Year Ended December 31, 2021 Enterprise Solutions $ 1,121 $ 11,062 $ 12,183 Industrial Automation Solutions 2,555 3,629 6,184 Total $ 3,676 $ 14,691 $ 18,367 The following table summarizes the costs of the programs described above by financial statement line item in the Consolidated Statement of Operations: Years Ended December 31, 2023 2022 2021 (In thousands) Cost of sales $ 1,667 $ 10,060 $ 8,493 Selling, general and administrative expenses 15,362 6,410 9,874 Research and development expenses 1,625 — — Total $ 18,654 $ 16,470 $ 18,367 described above (in thousands). Balance at December 31, 2022 $ — New charges 8,254 Cash payments (3,151) Foreign currency translation 68 Other adjustments (161) Balance at December 31, 2023 $ 5,010

Long-Term Debt and Other Borr_2

Long-Term Debt and Other Borrowing Arrangements (Tables)	12 Months Ended
	Dec. 31, 2023
Debt Disclosure [Abstract]
Schedule of Carrying Values of Long-Term Debt and Other Borrowing Arrangements	The carrying values of our long-term debt and other borrowing arrangements were as follows: December 31, 2023 2022 (In thousands) Revolving credit agreement due 2026 $ — $ — Senior subordinated notes: 3.375% Senior subordinated notes due 2027 497,025 480,330 3.875% Senior subordinated notes due 2028 386,575 373,590 3.375% Senior subordinated notes due 2031 331,350 320,220 Total senior subordinated notes 1,214,950 1,174,140 Less unamortized debt issuance costs (10,739) (12,964) Long-term debt $ 1,204,211 $ 1,161,176
Schedule of Senior Subordinated Notes	The senior subordinated notes due 2027 and 2028 were redeemable after July 15, 2022 and March 15, 2023, respectively, and the senior subordinated notes due 2031 are redeemable after July 15, 2026 at the following redemption prices as a percentage of the face amount of the notes: Senior Subordinated Notes due 2027 2028 2031 Year Percentage Year Percentage Year Percentage 2022 101.688 % 2023 101.938 % 2026 101.688 % 2023 101.125 % 2024 101.292 % 2027 100.844 % 2024 100.563 % 2025 100.646 % 2028 100.422 % 2025 and thereafter 100.000 % 2026 and thereafter 100.000 % 2029 and thereafter 100.000 %
Schedule of Maturities on Outstanding Long-Term Debt and Other Borrowings	Maturities on outstanding long-term debt and other borrowings during each of the five years subsequent to December 31, 2023 are as follows (in thousands): 2024 $ — 2025 — 2026 — 2027 497,025 2028 386,575 Thereafter 331,350 $ 1,214,950

Income Taxes (Tables)

Income Taxes (Tables)	12 Months Ended
	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Schedule of Components of Income Tax Expense	Years Ended December 31, 2023 2022 2021 (in thousands) Income from continuing operations before taxes: United States operations $ 86,805 $ 97,900 $ 188,650 Foreign operations 198,951 219,493 38,130 Income from continuing operations before taxes $ 285,756 $ 317,393 $ 226,780 Income tax expense (benefit): Currently payable United States federal $ 34,091 $ 34,310 $ 1,649 United States state and local 3,900 4,801 2,453 Foreign 18,166 6,677 15,984 56,157 45,788 20,086 Deferred United States federal (7,497) (446) 16,354 United States state and local (623) (50) 5,988 Foreign (4,837) 4,353 (14,489) (12,957) 3,857 7,853 Income tax expense $ 43,200 $ 49,645 $ 27,939
Schedule of Effective Income Tax Rate Reconciliation from Continuing Operations	Years Ended December 31, 2023 2022 2021 Effective income tax rate reconciliation from continuing operations: United States federal statutory rate 21.0% 21.0% 21.0% State and local income taxes 0.8% 1.2% 3.4% Impact of change in tax contingencies 0.3% 0.1% (0.7)% Foreign income tax rate differences (10.5)% (10.9)% 0.7% Impact of change in deferred tax asset valuation allowance 0.5% (2.5)% (19.1)% Domestic permanent differences and tax credits 2.9% 6.3% 6.0% Impact of share-based compensation 0.1% 0.4% 1.0% 15.1% 15.6% 12.3%
Schedule of Components of Deferred Income Tax Balances	The components of deferred income taxes were as follows: December 31, 2023 2022 (In thousands) Components of deferred income tax balances: Deferred income tax liabilities: Plant, equipment, and intangibles $ (98,112) $ (94,189) Right of use asset (21,440) (19,853) (119,552) (114,042) Deferred income tax assets: Postretirement, pensions, and stock compensation 17,052 17,368 Reserves and accruals 41,474 25,519 Net operating loss, capital loss, and tax credit carryforwards 114,896 149,607 Lease liability 22,073 19,938 Valuation allowances (109,676) (142,330) 85,819 70,102 Net deferred income tax liability $ (33,733) $ (43,940)
Schedule of Net Operating Loss Carryforwards	The following tables summarize our net operating loss carryforwards and tax credit carryforwards as of December 31, 2023 by jurisdiction: Net Operating Loss Carryforwards (In thousands) United States - Federal and various states $ 44,066 Germany 19,418 United Kingdom 13,641 Other 8,290 Australia 8,234 Total $ 93,649
Schedule of Tax Credit Carryforwards	Tax Credit Carryforwards (In thousands) United States $ 4,705 Belgium 1,509 Total $ 6,214
Schedule of Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits	A reconciliation of the beginning and ending amounts of unrecognized tax benefits is as follows: 2023 2022 (In thousands) Balance at beginning of year $ 6,180 $ 5,821 Additions for tax positions of prior years 605 — Additions based on tax positions related to the current year 358 359 Balance at end of year $ 7,143 $ 6,180

Pension and Other Postretirem_2

Pension and Other Postretirement Benefits (Tables)	12 Months Ended
	Dec. 31, 2023
Retirement Benefits [Abstract]
Schedule of Change in Benefit Obligation	The following tables provide a reconciliation of the changes in the plans’ benefit obligations and fair value of assets as well as a statement of the funded status and balance sheet reporting for these plans. Pension Benefits Other Benefits Years Ended December 31, 2023 2022 2023 2022 (In thousands) Change in benefit obligation: Benefit obligation, beginning of year $ (317,424) $ (471,834) $ (19,944) $ (27,625) Service cost (2,632) (3,491) (11) (24) Interest cost (15,237) (9,248) (1,012) (761) Participant contributions (435) (350) (3) (5) Actuarial gain (loss) (16,231) 123,851 (1,179) 5,690 Acquisitions and divestitures — (9,257) — — Settlements 2,987 6,567 — — Other — — — (21) Foreign currency exchange rate changes (12,427) 33,316 (491) 1,409 Benefits paid 18,640 13,022 1,329 1,393 Benefit obligation, end of year $ (342,759) $ (317,424) $ (21,311) $ (19,944)
Schedule of Change in Plan Assets	Pension Benefits Other Benefits Years Ended December 31, 2023 2022 2023 2022 (In thousands) Change in plan assets: Fair value of plan assets, beginning of year $ 281,332 $ 394,026 $ — $ — Actual return on plan assets 21,141 (84,595) — — Employer contributions 8,432 12,080 1,326 1,388 Plan participant contributions 435 350 3 5 Acquisitions and divestitures — 6,772 — — Settlements (2,987) (6,567) — — Foreign currency exchange rate changes 11,665 (27,712) — — Benefits paid (18,640) (13,022) (1,329) (1,393) Fair value of plan assets, end of year $ 301,378 $ 281,332 $ — $ —
Schedule of Amounts Recognized in Balance Sheets	Funded status, end of year $ (41,381) $ (36,092) $ (21,312) $ (19,944) Amounts recognized in the balance sheets: Prepaid benefit cost $ 16,358 $ 16,251 $ — $ — Accrued benefit liability, current (3,051) (3,106) (1,427) (1,353) Accrued benefit liability, noncurrent (54,688) (49,237) (19,885) (18,591) Net funded status $ (41,381) $ (36,092) $ (21,312) $ (19,944)
Schedule of Components of Net Periodic Benefit Costs	The following table provides the components of net periodic benefit costs for the plans. Pension Benefits Other Benefits Years Ended December 31, 2023 2022 2021 2023 2022 2021 (In thousands) Components of net periodic benefit cost: Service cost $ 2,632 $ 3,491 $ 3,953 $ 11 $ 24 $ 33 Interest cost 15,237 9,248 7,512 1,012 761 727 Expected return on plan assets (16,512) (16,023) (16,337) — — — Amortization of prior service cost 176 174 110 — — — Settlement loss (gain) (101) 1,189 (18) — — — Other adjustments — — (191) — — — Net loss (gain) recognition (938) 734 3,764 (737) (73) (43) Net periodic benefit cost (income) $ 494 $ (1,187) $ (1,207) $ 286 $ 712 $ 717
Schedule of Assumptions Used in Determining Benefit Obligations and Net Periodic Benefit Cost Amounts	The following table presents the assumptions used in determining the benefit obligations and the net periodic benefit cost amounts. Pension Benefits Other Benefits Years Ended December 31, Years Ended December 31, 2023 2022 2023 2022 Weighted average assumptions for benefit obligations at year end: Discount rate 4.5 % 4.9 % 4.7 % 5.2 % Salary increase 3.2 % 3.2 % N/A N/A Cash balance interest credit rate 4.4 % 4.5 % N/A N/A Weighted average assumptions for net periodic cost for the year: Discount rate 4.9 % 2.0 % 5.2 % 2.9 % Salary increase 3.2 % 3.3 % N/A N/A Cash balance interest credit rate 4.5 % 4.7 % N/A N/A Expected return on assets 5.2 % 4.4 % N/A N/A Assumed health care cost trend rates: Health care cost trend rate assumed for next year N/A N/A 5.2 % 5.3 % Rate that the cost trend rate gradually declines to N/A N/A 4.6 % 5.0 % Year that the rate reaches the rate it is assumed to remain at N/A N/A 2028 2023
Schedule of Fair Values of Pension Plan Assets by Asset Category	The following table presents the fair values of the pension plan assets by asset category. December 31, 2023 December 31, 2022 Fair Market Value at December 31, 2023 Quoted Prices Significant Investments Measured at Net Asset Value Fair Market Value at December 31, 2022 Quoted Prices Significant Investments Measured at Net Asset Value (In thousands) (In thousands) Asset Category: Equity securities(a) U.S. equities fund $ 34,966 $ — $ — $ 34,966 $ 49,153 $ 4,384 $ — $ 44,769 Non-U.S. equities fund 35,939 — — 35,939 51,227 5,393 — 45,834 Debt securities(b) Government bond fund 77,480 — — 77,480 56,318 — 2,011 54,307 Corporate bond fund 62,456 — — 62,456 67,406 — 7,175 60,231 Fixed income fund(c) 22,673 — — 22,673 22,680 — — 22,680 Liability driven investment fund(d) 51,412 — — 51,412 14,629 — — 14,629 Other investments(e) 9,565 — — 9,565 10,531 — — 10,531 Cash and equivalents 6,887 2,662 — 4,225 9,388 3,242 — 6,146 Total $ 301,378 $ 2,662 $ — $ 298,716 $ 281,332 $ 13,019 $ 9,186 $ 259,127 (a) This category includes investments in actively managed and indexed investment funds that invest in a diversified pool of equity securities of companies located in the U.S., Canada, Western Europe and other developed countries throughout the world. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund. Equity securities held in separate accounts are valued based on observable quoted prices on active exchanges. (b) This category includes investments in investment funds that invest in U.S. treasuries; other national, state and local government bonds; and corporate bonds of highly rated companies from diversified industries. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund. (c) This category includes guaranteed insurance contracts and annuity policies. (d) This category includes investments in funds that are designed to provide leveraged exposure to changes in interest rates. The fund purchases shares of funds that invest in government bonds, debt repurchase agreements, total return swaps and interest rate swaps. (e)
Schedule of Benefits Expected to be Paid in Subsequent Years from Our Pension and Other Postretirement as Well as Medicare Subsidy Receipts	The following table reflects the benefits as of December 31, 2023 expected to be paid in each of the next five years and in the aggregate for the five years thereafter from our pension and other postretirement plans. Because our other postretirement plans are unfunded, the anticipated benefits with respect to these plans will come from our own assets. Because our pension plans are primarily funded plans, the anticipated benefits with respect to these plans will come primarily from the trusts established for these plans. Pension Other (In thousands) 2024 $ 22,915 $ 1,460 2025 20,919 1,466 2026 20,542 1,464 2027 21,908 1,467 2028 23,476 1,483 2029-2033 100,988 7,392 Total $ 210,748 $ 14,732
Summary of Accumulated Other Comprehensive Loss and Changes in these Amounts	The pre-tax amounts in accumulated other comprehensive loss that have not yet been recognized as components of net periodic benefit cost at December 31, 2023 and the changes in these amounts during the year ended December 31, 2023 are as follows. Pension Other (In thousands) Components of accumulated other comprehensive loss: Net actuarial loss (gain) $ 24,298 $ (5,322) Net prior service cost 2,148 — $ 26,446 $ (5,322) Pension Other (In thousands) Changes in accumulated other comprehensive loss: Net actuarial loss (gain), beginning of year $ 11,695 $ (7,117) Amortization of actuarial gain 938 737 Actuarial loss 16,231 1,179 Asset gain (4,629) — Settlement loss recognized 101 — Currency impact (38) (121) Net actuarial loss (gain), end of year $ 24,298 $ (5,322) Prior service cost, beginning of year $ 2,197 $ — Amortization of prior service cost (176) — Currency impact 127 — Prior service cost, end of year $ 2,148 $ —

Comprehensive Income and Accu_2

Comprehensive Income and Accumulated Other Comprehensive Income (Loss) (Tables)	12 Months Ended
	Dec. 31, 2023
Equity [Abstract]
Schedule of Components of Other Comprehensive Income (Loss), Net of Tax	The accumulated balances related to each component of other comprehensive income (loss), net of tax, are as follows: Foreign Currency Pension and Other Accumulated Other Comprehensive Income (Loss) (In thousands) Balance at December 31, 2021 $ (41,468) $ (29,098) $ (70,566) Other comprehensive income attributable to Belden before reclassifications 42,531 23,629 66,160 Amounts reclassified from accumulated other comprehensive income (3,007) 1,542 (1,465) Net current period other comprehensive income attributable to Belden 39,524 25,171 64,695 Balance at December 31, 2022 $ (1,944) $ (3,927) $ (5,871) Other comprehensive loss attributable to Belden before reclassifications (24,431) (9,696) (34,127) Amounts reclassified from accumulated other comprehensive income (139) (1,142) (1,281) Net current period other comprehensive loss attributable to Belden (24,570) (10,838) (35,408) Balance at December 31, 2023 $ (26,514) $ (14,765) $ (41,279)
Schedule of Effects of Reclassifications from Accumulated Other Comprehensive Income (Loss)	The following table summarizes the effects of reclassifications from accumulated other comprehensive income (loss): Amount Reclassified from Affected Line Item in the (In thousands) Amortization of pension and other postretirement benefit plan items: Actuarial gains $ (1,675) (1) Prior service cost 176 (1) Total before tax (1,499) Tax expense 357 Total net of tax $ (1,142) (1) The amortization of these accumulated other comprehensive income (loss) components are included in the computation of net periodic benefit costs (see Note 19). (2) In addition, we reclassified $0.1 million of accumulated foreign currency translation gains associated with the sale of the Hite JV.

Share-Based Compensation (Table

Share-Based Compensation (Tables)	12 Months Ended
	Dec. 31, 2023
Share-Based Payment Arrangement [Abstract]
Schedule of Income Tax Benefit Recognized for our Share-Based Compensation Arrangements	Compensation cost included in income from continuing operations, primarily selling, general and administrative expense, and the income tax benefit recognized for our share-based compensation arrangements is included below: Years Ended December 31, 2023 2022 2021 (In thousands) Total share-based compensation cost $ 21,024 $ 23,454 $ 22,627 Income tax benefit 5,004 5,582 5,385
Schedule of Fair Values for SARs and Stock Options Estimated on Grant Date Using Black-Scholes-Merton Option-Pricing Formula Which Incorporates Assumptions	Years Ended December 31, 2023 2022 2021 (In thousands, except weighted average fair Weighted-average fair value of SARs granted $ 39.44 $ 21.85 $ 18.30 Total intrinsic value of SARs exercised 12,229 4,384 1,581 Tax benefit from SARs exercised 660 678 327 Weighted-average fair value of restricted stock units granted 95.32 61.61 51.76 Total fair value of restricted stock units vested 19,821 16,830 12,623 Expected volatility 43.45 % 43.00 % 45.34 % Expected term (in years) 5.7 5.6 5.7 Risk-free rate 4.26 % 1.89 % 0.70 % Dividend yield 0.23 % 0.37 % 0.44 %
Schedule of Share Based Compensation Activity	SARs Restricted Stock Units Number Weighted- Weighted- Aggregate Number Weighted- (In thousands, except exercise prices, fair values, and contractual terms) Outstanding at January 1, 2023 958 $ 64.13 4.8 $ 10,017 897 $ 54.59 Granted 115 85.77 410 95.32 Exercised or converted (576) 67.85 (398) 49.77 Forfeited or expired (84) 63.97 (210) 59.98 Outstanding at December 31, 2023 413 $ 64.97 6.6 $ 6,220 699 $ 71.95 Exercisable or convertible at December 31, 2023 213 $ 61.16 4.8 $ 3,684

Supplemental Cash Flow Inform_2

Supplemental Cash Flow Information (Tables)	12 Months Ended
	Dec. 31, 2023
Supplemental Cash Flow Elements [Abstract]
Schedule of Supplemental Cash Flow Information	Supplemental cash flow information is as follows: Years Ended December 31, 2023 2022 2021 (In thousands) Income tax refunds received $ 6,680 $ 16,480 $ 6,120 Income taxes paid (62,367) (71,255) (40,139) Interest paid (42,105) (45,168) (54,176)

Basis of Presentation (Details)

Basis of Presentation (Details)	12 Months Ended
	Dec. 31, 2023 segment
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of reportable segments	2

Summary of Significant Accoun_3

Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2023 USD ($) reportingUnit	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Significant Accounting Policies [Line Items]
Amount of inventory as a percentage of prior year purchases that can be returned by certain distributors	3%
Unprocessed adjustments recognized against gross accounts receivables	$ 26,000,000	$ 24,300,000
Unprocessed adjustments recognized against accounts accrued liabilities	15,600,000	11,700,000
Allowance for doubtful accounts	23,100,000	8,000,000
Bad debt expense, net of recoveries	15,600,000	6,500,000	$ 400,000
Obsolescence and other reserves	$ 67,868,000	45,913,000
Number of reporting units used in quantitative assessment | reportingUnit	3
Impairment of indefinite lived intangible assets	$ 0	0	$ 0
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]			Asset impairments
Asset impairments	0	0	$ 140,461,000
Accrued rebates	49,255,000	55,559,000
Advertising costs	18,800,000	13,700,000	10,300,000
Valuation allowances	109,676,000	142,330,000
Net Operating Losses, Capital Losses and Foreign Tax Credits
Significant Accounting Policies [Line Items]
Valuation allowances	109,700,000
Discontinued Operations, Held-for-sale | Tripwire Divestiture
Significant Accounting Policies [Line Items]
Asset impairments			131,200,000
Brazil
Significant Accounting Policies [Line Items]
Impairment			1,700,000
Impairment of intangible assets			1,000,000
Asset impairments			3,400,000
Continuing Operations
Significant Accounting Policies [Line Items]
Impairment		0	0
Impairment of intangible assets	$ 0	$ 0	$ 0
Minimum
Significant Accounting Policies [Line Items]
Estimated useful life of definite-lived intangible assets	1 year
Reporting unit, percentage of fair value in excess of carrying amount	30%
Maximum
Significant Accounting Policies [Line Items]
Estimated useful life of definite-lived intangible assets	20 years
Reporting unit, percentage of fair value in excess of carrying amount	106%
Buildings | Minimum
Significant Accounting Policies [Line Items]
Estimated useful life of property, plant, and equipment	10 years
Buildings | Maximum
Significant Accounting Policies [Line Items]
Estimated useful life of property, plant, and equipment	40 years
Machinery and equipment | Minimum
Significant Accounting Policies [Line Items]
Estimated useful life of property, plant, and equipment	5 years
Machinery and equipment | Maximum
Significant Accounting Policies [Line Items]
Estimated useful life of property, plant, and equipment	12 years
Computer Equipment and Software | Minimum
Significant Accounting Policies [Line Items]
Estimated useful life of property, plant, and equipment	5 years
Computer Equipment and Software | Maximum
Significant Accounting Policies [Line Items]
Estimated useful life of property, plant, and equipment	10 years

Revenues - Major Product Catego

Revenues - Major Product Category (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenues	$ 2,512,084	$ 2,606,485	$ 2,301,260
Enterprise Solutions
Disaggregation of Revenue [Line Items]
Revenues	1,122,831	1,198,478	1,074,426
Industrial Automation Solutions
Disaggregation of Revenue [Line Items]
Revenues	1,389,253	1,408,007	1,226,834
Broadband Solutions
Disaggregation of Revenue [Line Items]
Revenues	555,030	571,426	488,453
Broadband Solutions | Enterprise Solutions
Disaggregation of Revenue [Line Items]
Revenues	555,030	571,426	488,453
Broadband Solutions | Industrial Automation Solutions
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Industrial Automation
Disaggregation of Revenue [Line Items]
Revenues	1,389,253	1,408,007	1,226,834
Industrial Automation | Enterprise Solutions
Disaggregation of Revenue [Line Items]
Revenues	0	0	0
Industrial Automation | Industrial Automation Solutions
Disaggregation of Revenue [Line Items]
Revenues	1,389,253	1,408,007	1,226,834
Smart Buildings
Disaggregation of Revenue [Line Items]
Revenues	567,801	627,052	585,973
Smart Buildings | Enterprise Solutions
Disaggregation of Revenue [Line Items]
Revenues	567,801	627,052	585,973
Smart Buildings | Industrial Automation Solutions
Disaggregation of Revenue [Line Items]
Revenues	$ 0	$ 0	$ 0

Revenues - Location of Customer

Revenues - Location of Customer (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenues	$ 2,512,084	$ 2,606,485	$ 2,301,260
Enterprise Solutions
Disaggregation of Revenue [Line Items]
Revenues	1,122,831	1,198,478	1,074,426
Industrial Automation Solutions
Disaggregation of Revenue [Line Items]
Revenues	1,389,253	1,408,007	1,226,834
Americas
Disaggregation of Revenue [Line Items]
Revenues	1,612,730	1,731,999	1,489,043
Americas | Enterprise Solutions
Disaggregation of Revenue [Line Items]
Revenues	824,991	915,491	785,253
Americas | Industrial Automation Solutions
Disaggregation of Revenue [Line Items]
Revenues	787,739	816,508	703,790
EMEA
Disaggregation of Revenue [Line Items]
Revenues	566,334	521,800	474,705
EMEA | Enterprise Solutions
Disaggregation of Revenue [Line Items]
Revenues	180,880	149,327	150,790
EMEA | Industrial Automation Solutions
Disaggregation of Revenue [Line Items]
Revenues	385,454	372,473	323,915
APAC
Disaggregation of Revenue [Line Items]
Revenues	333,020	352,686	337,512
APAC | Enterprise Solutions
Disaggregation of Revenue [Line Items]
Revenues	116,960	133,660	138,383
APAC | Industrial Automation Solutions
Disaggregation of Revenue [Line Items]
Revenues	$ 216,060	$ 219,026	$ 199,129

Revenues - Estimated and Accrue

Revenues - Estimated and Accrued Variable Consideration (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Revenue from Contract with Customer [Abstract]
Accrued rebates included in accrued liabilities	$ 49,255	$ 55,559
Accrued returns included in accrued liabilities	15,570	11,700
Price adjustment recognized against gross accounts receivable	$ 26,005	$ 24,304

Revenues - Additional informati

Revenues - Additional information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Contract with customer, deferred revenues	$ 31,062	$ 33,243	$ 19,390
Contract with customer, deferred revenues, current	23,718	26,215
Contract with customer, deferred revenues, noncurrent	7,400
Sales commissions	24,500	$ 24,100	$ 20,600
Service-Type Warranties
Disaggregation of Revenue [Line Items]
Contract with customer, deferred revenues	11,100
Contract with customer, deferred revenues, current	6,200
Contract with customer, deferred revenues, noncurrent	$ 4,900

Revenues - Deferred Revenue (De

Revenues - Deferred Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Change in Contract with Customer, Liability [Roll Forward]
Beginning Balance	$ 33,243	$ 19,390
New deferrals	35,157	30,472
Acquisitions	104	6,567
Revenue recognized	(37,442)	(23,186)
Ending Balance	$ 31,062	$ 33,243

Acquisitions - Additional Infor

Acquisitions - Additional Information (Details) - USD ($)	8 Months Ended
	Dec. 31, 2023	Aug. 31, 2023	Apr. 17, 2023
CloudRail
Business Acquisition [Line Items]
Acquisition payment with cash on hand, net of cash acquired		$ 9,200,000
Sichert
Business Acquisition [Line Items]
Acquisition payment with cash on hand, net of cash acquired			$ 97,504,000
Goodwill, purchase accounting adjustments	$ 4,400,000
Receivables			5,093,000
Tax basis in acquired goodwill			$ 0

Acquisitions - Recognized Ident

Acquisitions - Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Apr. 17, 2023	Dec. 31, 2022	Dec. 31, 2021
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Goodwill	$ 907,331		$ 862,253	$ 821,448
Sichert
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract]
Receivables		$ 5,093
Inventory		7,590
Other current assets		2,733
Property, plant and equipment		13,135
Intangible assets		44,328
Goodwill		32,243
Deferred income taxes		433
Operating lease right-of-use assets		131
Other long-lived assets		4,559
Total assets acquired		110,245
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract]
Accounts payable		1,907
Accrued liabilities		4,283
Deferred income taxes		6,551
Total liabilities assumed		12,741
Net assets		$ 97,504

Acquisitions - Acquired Intangi

Acquisitions - Acquired Intangible Assets (Details) - USD ($) $ in Thousands	Apr. 17, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Goodwill		$ 907,331	$ 862,253	$ 821,448
Sichert
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 44,328
Goodwill	32,243
Total intangible assets	$ 76,571
Amortization Period	18 years 10 months 24 days
Sichert | Customer relationships
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 41,161
Amortization Period	20 years
Sichert | Trademarks
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 2,184
Amortization Period	7 years
Sichert | Sales backlog
Business Acquisition [Line Items]
Total intangible assets subject to amortization	$ 983
Amortization Period	2 months 12 days

Disposals - Additional Informat

Disposals - Additional Information (Details) - USD ($)		2 Months Ended	12 Months Ended
	Feb. 22, 2022	Feb. 22, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loss on disposal of discontinued operations			$ 0	$ 9,241,000	$ (1,860,000)
Asset impairment charges			$ 0	0	140,461,000
Brazil
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Asset impairment charges					3,400,000
Goodwill impairment loss					1,700,000
Impairment of intangible assets					1,000,000
Tripwire
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill impairment loss					131,200,000
Tripwire | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestiture of businesses	$ 350,000,000
Loss on disposal of discontinued operations				$ 9,200,000
Capital expenditure		$ 200,000			6,100,000
Share-based compensation expense, discontinued operations					2,200,000
Asset impairment charges		$ 0			131,178,000
Oil & Gas Cable Business | Discontinued Operations, Disposed of by Sale | Brazil
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal group, amount carrying value exceeds fair value					3,400,000
Asset impairment charges					3,400,000
Goodwill impairment loss					1,700,000
Impairment of intangible assets					1,000,000
Consideration					10,900,000
Grass Valley | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Deferred consideration - seller's note						$ 175,000,000
Paid-in-kind interest						88,000,000
Deferred compensation - earnout payments						178,000,000
Fair value of debt instrument						$ 34,900,000
Proceeds from sale of seller's note					62,000,000
Gain on sale of seller's note					$ 27,000,000

Disposals - Operating Results o

Disposals - Operating Results of the Disposal Group (Details) - USD ($) $ in Thousands	2 Months Ended	12 Months Ended
	Feb. 22, 2022	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Asset impairments		$ 0	$ 0	$ (140,461)
Tripwire | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues	$ 12,067			106,840
Cost of sales	(3,256)			(24,321)
Gross profit	8,811			82,519
Selling, general and administrative expenses	(8,185)			(48,308)
Research and development expenses	(5,528)			(34,433)
Amortization of intangible assets	(638)			(7,716)
Asset impairments	0			(131,178)
Loss before taxes	$ (5,540)			$ (139,116)

Operating Segments and Geogra_3

Operating Segments and Geographic Information - Additional Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) segment	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	2
Revenues	$ 2,512,084	$ 2,606,485	$ 2,301,260
Major Customer
Segment Reporting Information [Line Items]
Revenues	378,100	387,700	$ 374,800
Accounts receivable outstanding	$ 61,900	$ 28,800
Major Customer | Customer Concentration Risk | Revenues
Segment Reporting Information [Line Items]
Percent of total revenues	15%	15%	16%
Major Customer | Customer Concentration Risk | Accounts Receivable
Segment Reporting Information [Line Items]
Percent of total revenues	15%	7%

Operating Segments and Geogra_4

Operating Segments and Geographic Information - Operating Segment Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Revenues	$ 2,512,084	$ 2,606,485	$ 2,301,260
Depreciation expense	51,400	46,700	43,900
Amortization of intangibles	40,375	37,860	30,630
Severance, restructuring, and acquisition integration costs	18,654	16,470	18,367
Asset impairments	0	0	140,461
Acquisition of property, plant and equipment	116,731	105,094	90,982
Segment assets	3,240,191	3,161,675	3,417,677
Enterprise Solutions
Segment Reporting Information [Line Items]
Revenues	1,122,831	1,198,478	1,074,426
Severance, restructuring, and acquisition integration costs	10,128	8,130	12,183
Industrial Automation Solutions
Segment Reporting Information [Line Items]
Revenues	1,389,253	1,408,007	1,226,834
Severance, restructuring, and acquisition integration costs	8,526	8,340	6,184
Reportable Segment
Segment Reporting Information [Line Items]
Revenues	2,512,084	2,606,485	2,301,260
Segment EBITDA	436,435	438,596	367,193
Depreciation expense	51,379	46,669	43,073
Amortization of intangibles	40,375	37,860	30,630
Amortization of software development intangible assets	7,692	3,875	1,579
Adjustments related to acquisitions and divestitures	6,177	7,833	(5,035)
Severance, restructuring, and acquisition integration costs	25,152	16,685	23,867
Asset impairments	0	0	9,283
Acquisition of property, plant and equipment	100,309	92,248	77,995
Segment assets	1,364,582	1,270,888	1,163,521
Reportable Segment | Software Development
Segment Reporting Information [Line Items]
Amortization of software development intangible assets	7,692	3,875	1,579
Reportable Segment | Enterprise Solutions
Segment Reporting Information [Line Items]
Revenues	1,122,831	1,198,478	1,074,426
Segment EBITDA	149,107	161,517	144,509
Depreciation expense	24,943	23,387	21,627
Amortization of intangibles	20,085	17,595	17,595
Adjustments related to acquisitions and divestitures	5,359	5,589	(7,052)
Severance, restructuring, and acquisition integration costs	11,221	9,200	13,800
Acquisition of property, plant and equipment	36,237	33,535	36,726
Segment assets	637,105	593,653	563,141
Reportable Segment | Enterprise Solutions | Software Development
Segment Reporting Information [Line Items]
Amortization of software development intangible assets	0	54	94
Reportable Segment | Industrial Automation Solutions
Segment Reporting Information [Line Items]
Revenues	1,389,253	1,408,007	1,226,834
Segment EBITDA	287,328	277,079	222,684
Depreciation expense	26,436	23,282	21,446
Amortization of intangibles	20,290	20,265	13,035
Adjustments related to acquisitions and divestitures	818	2,244	2,017
Severance, restructuring, and acquisition integration costs	13,931	7,485	10,067
Asset impairments	0	0	9,283
Acquisition of property, plant and equipment	64,072	58,713	41,269
Segment assets	727,477	677,235	600,380
Reportable Segment | Industrial Automation Solutions | Software Development
Segment Reporting Information [Line Items]
Amortization of software development intangible assets	$ 7,692	$ 3,821	$ 1,485

Operating Segments and Geogra_5

Operating Segments and Geographic Information - Reconciliation of Total Reportable Segments' Revenues and EBITDA to Consolidated Revenues and Consolidated Income Before Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Revenues and Consolidated Revenues	$ 2,512,084	$ 2,606,485	$ 2,301,260
Depreciation expense	(51,400)	(46,700)	(43,900)
Amortization of intangibles	(40,375)	(37,860)	(30,630)
Severance, restructuring, and acquisition integration costs	(18,654)	(16,470)	(18,367)
Asset impairments	0	0	(140,461)
Gain on sale of assets	12,056	37,891	0
Consolidated operating income	317,518	363,334	263,676
Interest expense, net	(33,625)	(43,554)	(62,693)
Loss on debt extinguishment	0	(6,392)	(5,715)
Non-operating pension benefit	1,863	4,005	4,476
Gain on sale of note receivable	0	0	27,036
Consolidated income from continuing operations before taxes	285,756	317,393	226,780
Gain (loss) associated with sale of businesses	12,056	37,891	0
Proceeds from disposal of tangible assets	13,785	43,534	$ 30,234
Impairment, Long-Lived Asset, Held-for-Use, Statement of Income or Comprehensive Income [Extensible Enumeration]			Asset impairments
Proceeds from sale of real estate		42,200
Gain on sale of real estate		37,900
Reportable Segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Revenues and Consolidated Revenues	2,512,084	2,606,485	$ 2,301,260
Total Segment EBITDA	436,435	438,596	367,193
Depreciation expense	(51,379)	(46,669)	(43,073)
Amortization of intangibles	(40,375)	(37,860)	(30,630)
Severance, restructuring, and acquisition integration costs	(25,152)	(16,685)	(23,867)
Amortization of software development intangible assets	(7,692)	(3,875)	(1,579)
Adjustments related to acquisitions and divestitures	(6,177)	(7,833)	5,035
Asset impairments	0	0	(9,283)
Gain on sale of assets	12,056	37,891	0
Lease guarantees	4,100	10,100
Inventory adjustment	1,500	2,200
Gain (loss) associated with sale of businesses	(600)
Collection of receivable previously written off		4,500
Increase (decrease) in deferred compensation earnout payments			(5,800)
Proceeds from disposal of tangible assets			600
Impairment of long lived asset held-for-use			3,600
Asset impairments			5,700
Proceeds from sale of real estate	13,800	42,200
Gain on sale of real estate	12,100	37,900
Reportable Segment | OTN Systems
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Adjustments related to acquisitions and divestitures			2,300
Reportable Segment | Grass Valley
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Recovery of accounts receivable previously written off			2,200
Eliminations
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Consolidated operating income	$ (198)	$ (231)	$ (120)

Operating Segments and Geogra_6

Operating Segments and Geographic Information - Reconciliations of Other Segment Measures to Consolidated Totals (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment assets	$ 3,240,191	$ 3,161,675	$ 3,417,677
Cash and cash equivalents	597,044	687,676	641,563
Goodwill	907,331	862,253	821,448
Intangible assets, less accumulated amortization	269,144	246,830	238,155
Deferred income taxes	15,739	14,642	31,736
Assets of discontinued operations	0	0	449,152
Total acquisition of property, plant and equipment	116,731	105,094	90,982
Discontinued Operations, Disposed of by Sale
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total acquisition of property, plant and equipment	0	0	6,132
Reportable Segment
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment assets	1,364,582	1,270,888	1,163,521
Total acquisition of property, plant and equipment	100,309	92,248	77,995
Corporate assets
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment assets	86,351	79,386	72,102
Total acquisition of property, plant and equipment	$ 16,422	$ 12,846	$ 6,855

Operating Segments and Geogra_7

Operating Segments and Geographic Information - Schedule of Revenue from External Customers and Long-Lived Assets Based on Physical Location (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues from External Customers and Long-Lived Assets [Line Items]
Segment Revenues and Consolidated Revenues	$ 2,512,084	$ 2,606,485	$ 2,301,260
Long-lived assets	$ 501,312	$ 428,367	$ 373,122
Consolidated Revenues | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Percent of total revenues	100%	100%	100%
United  States
Revenues from External Customers and Long-Lived Assets [Line Items]
Segment Revenues and Consolidated Revenues	$ 1,383,212	$ 1,448,247	$ 1,201,540
Long-lived assets	$ 230,267	$ 203,070	$ 170,420
United  States | Consolidated Revenues | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Percent of total revenues	55%	56%	52%
Canada
Revenues from External Customers and Long-Lived Assets [Line Items]
Segment Revenues and Consolidated Revenues	$ 169,122	$ 188,013	$ 186,834
Long-lived assets	$ 13,355	$ 12,805	$ 12,578
Canada | Consolidated Revenues | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Percent of total revenues	7%	7%	8%
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Segment Revenues and Consolidated Revenues	$ 104,718	$ 126,904	$ 149,036
Long-lived assets	$ 45,326	$ 45,866	$ 46,776
China | Consolidated Revenues | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Percent of total revenues	4%	5%	7%
Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Segment Revenues and Consolidated Revenues	$ 134,130	$ 131,485	$ 112,710
Long-lived assets	$ 67,758	$ 44,061	$ 37,208
Germany | Consolidated Revenues | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Percent of total revenues	5%	5%	5%
Other
Revenues from External Customers and Long-Lived Assets [Line Items]
Segment Revenues and Consolidated Revenues	$ 720,902	$ 711,836	$ 651,140
Long-lived assets	$ 144,606	$ 122,565	$ 106,140
Other | Consolidated Revenues | Geographic Concentration Risk
Revenues from External Customers and Long-Lived Assets [Line Items]
Percent of total revenues	29%	27%	28%

Noncontrolling Interest (Detail

Noncontrolling Interest (Details) - Hite $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
Noncontrolling Interest [Line Items]
Ownership interest percentage	51%
Proceeds from sale of ownership	$ 0.9
Pre tax gain on sale	0.4
Potential earnout payment	$ 0.6

Income Per Share - Basis for In

Income Per Share - Basis for Income Per Share Computations (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Numerator:
Income from continuing operations	$ 242,556	$ 267,748	$ 198,841
Less: Net income (loss) attributable to noncontrolling interest	(203)	159	392
Income from continuing operations attributable to Belden common stockholders	242,759	267,589	198,449
Add: Loss from discontinued operations, net of tax	0	(3,685)	(136,384)
Add: Gain (loss) on disposal of discontinued operations, net of tax	0	(9,241)	1,860
Net income attributable to Belden common stockholders	$ 242,759	$ 254,663	$ 63,925
Denominator:
Weighted average shares outstanding, basic (in shares)	42,237	43,845	44,802
Effect of dilutive common stock equivalents (in shares)	622	692	559
Weighted average shares outstanding, diluted (in shares)	42,859	44,537	45,361

Income Per Share - Additional I

Income Per Share - Additional Information (Details) - shares shares in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Anti-dilutive shares excluded from diluted weighted average shares outstanding (in shares)	0.2	0.8	1.1
Anti-dilutive shares excluded form diluted weighted average shares outstanding due to performance conditions not met (in shares)	0.3	0.2	0.2

Credit Losses (Details)

Credit Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 7,954	$ 4,864
Current period provision	15,745	6,615
Write-offs	(154)	(3,648)
Recoveries collected	(861)	(121)
Acquisitions	422	319
Currency impact	8	(75)
Ending balance	$ 23,114	$ 7,954

Inventories - Major Classes of

Inventories - Major Classes of Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Inventory Disclosure [Abstract]
Raw materials	$ 185,233	$ 162,154
Work-in-process	41,197	35,011
Finished goods	208,425	190,311
Gross inventories	434,855	387,476
Excess and obsolete reserves	(67,868)	(45,913)
Net inventories	$ 366,987	$ 341,563

Property, Plant and Equipment -

Property, Plant and Equipment - Carrying Values of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 1,092,838	$ 993,473
Accumulated depreciation	(641,769)	(611,609)
Property, plant and equipment, less accumulated depreciation	451,069	381,864
Land and land improvements
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	27,627	25,547
Buildings and leasehold improvements
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	108,960	102,451
Machinery and equipment
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	666,527	631,680
Computer equipment and software
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	132,668	127,434
Construction in process
Property, Plant and Equipment [Line Items]
Gross property, plant and equipment	$ 157,056	$ 106,361

Property, Plant and Equipment_2

Property, Plant and Equipment - Additional Information (Details) € in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2023 CAD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 EUR (€)
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 51,400,000		$ 46,700,000	$ 43,900,000
Proceeds from sale of real estate			42,200,000
Gain on sale of real estate			37,900,000
Asset impairment charges	0		0	140,461,000
Asset impairments	0		0	9,283,000
Industrial Automation Solutions
Property, Plant and Equipment [Line Items]
Asset impairments				3,600,000
Canada
Property, Plant and Equipment [Line Items]
Proceeds from sale and leaseback transaction	13,800,000	$ 18.6
Gain (loss) on sale and leaseback transaction	$ 12,100,000
Sale and leaseback transaction, term of contract	10 years
Sales and leaseback transaction, right-of-use asset	$ 10,100,000
Germany
Property, Plant and Equipment [Line Items]
Proceeds from sale and leaseback transaction				27,800,000	€ 24.5
Gain (loss) on sale and leaseback transaction				$ (600,000)
Sale and leaseback transaction, term of contract				10 years	10 years
Sales and leaseback transaction, right-of-use asset	$ 20,500,000		$ 21,700,000
Asset impairment charges				$ 2,300,000
Brazil
Property, Plant and Equipment [Line Items]
Asset impairment charges				3,400,000
Goodwill impairment loss				1,700,000
Impairment of intangible assets				$ 1,000,000

Leases - Additional Information

Leases - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Renewal term	15 years
Variable lease, payment	$ 3,100	$ 2,900
Fixed payments remaining	22,000
Operating lease cost	22,562	21,420	$ 18,607
Lease guarantee, remaining lease payments	11,300	9,400
Selling, general and administrative expenses
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 4,100	$ 10,100
Minimum
Lessee, Lease, Description [Line Items]
Operating and finance lease, term of contract	1 year
Maximum
Lessee, Lease, Description [Line Items]
Operating and finance lease, term of contract	15 years

Leases - Components of Lease Ex

Leases - Components of Lease Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating lease cost	$ 22,562	$ 21,420	$ 18,607
Amortization of right-of-use asset	780	878	528
Interest on lease liabilities	330	258	14
Total finance lease cost	$ 1,110	$ 1,136	$ 542

Leases - Supplemental Cash Flow

Leases - Supplemental Cash Flow Information Related To Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Leases [Abstract]
Operating cash flows from operating leases	$ 19,080	$ 18,338	$ 15,737

Leases - Supplemental Balance S

Leases - Supplemental Balance Sheet Information Related To Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Leases [Abstract]
Operating lease right-of-use assets	$ 89,686	$ 73,376
Accrued liabilities	18,226	16,442
Long-term operating lease liabilities	74,941	59,250
Total operating lease liabilities	93,167	75,692
Accrued liabilities	6,560	6,323
Other long-term liabilities	(1,347)	(733)
Other long-lived assets, net	5,213	5,590
Accrued liabilities	719	391
Other long-term liabilities	6,084	5,928
Total finance lease liabilities	$ 6,803	$ 6,319
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued liabilities	Accrued liabilities
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other long-lived assets	Other long-lived assets
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued liabilities	Accrued liabilities
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other long-term liabilities	Other long-term liabilities

Leases - Supplemental Other Inf

Leases - Supplemental Other Information Related To Leases (Details)	Dec. 31, 2023	Dec. 31, 2022
Weighted Average Remaining Lease Term
Operating leases	6 years	6 years
Finance leases	9 years	10 years
Weighted Average Discount Rate
Operating leases	5%	5.20%
Finance leases	4.30%	4.20%

Leases - Maturities of Lease Li

Leases - Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Operating and Finance Leases
Year one	$ 18,664	$ 15,815
Year two	18,173	14,809
Year three	16,527	13,472
Year four	9,074	11,964
Year five	7,350	6,464
Thereafter	28,068	20,907
Total	$ 97,856	$ 83,431

Intangible Assets - Carrying Va

Intangible Assets - Carrying Value of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Intangible Assets [Line Items]
Gross Carrying Amount	$ 907,331	$ 862,253	$ 821,448
Net Carrying Amount	907,331	862,253	821,448
Finite-lived intangible assets, Gross Carrying Amount	661,375	587,591
Finite-lived intangible assets, Accumulated Amortization	(419,231)	(367,761)
Finite-lived intangible assets, Net Carrying Amount	242,144	219,830
Indefinite-lived intangible assets, Carrying Amount	27,000	27,000
Intangible assets, Gross Carrying Amount	688,375	614,591
Intangible assets	269,144	246,830	$ 238,155
Trademarks
Intangible Assets [Line Items]
Indefinite-lived intangible assets, Carrying Amount	27,000	27,000
Developed technology
Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Carrying Amount	300,240	273,524
Finite-lived intangible assets, Accumulated Amortization	(219,210)	(190,808)
Finite-lived intangible assets, Net Carrying Amount	81,030	82,716
Customer relationships
Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Carrying Amount	296,616	253,275
Finite-lived intangible assets, Accumulated Amortization	(145,739)	(129,730)
Finite-lived intangible assets, Net Carrying Amount	150,877	123,545
Trademarks
Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Carrying Amount	43,862	40,951
Finite-lived intangible assets, Accumulated Amortization	(35,089)	(30,077)
Finite-lived intangible assets, Net Carrying Amount	8,773	10,874
Backlog
Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Carrying Amount	14,847	13,554
Finite-lived intangible assets, Accumulated Amortization	(13,483)	(11,192)
Finite-lived intangible assets, Net Carrying Amount	1,364	2,362
In-service research and development
Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Carrying Amount	5,000	5,507
Finite-lived intangible assets, Accumulated Amortization	(5,000)	(5,342)
Finite-lived intangible assets, Net Carrying Amount	0	165
Non-compete agreements
Intangible Assets [Line Items]
Finite-lived intangible assets, Gross Carrying Amount	810	780
Finite-lived intangible assets, Accumulated Amortization	(710)	(612)
Finite-lived intangible assets, Net Carrying Amount	$ 100	$ 168

Intangible Assets - Changes in

Intangible Assets - Changes in Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Roll Forward]
Goodwill, beginning balance	$ 862,253	$ 821,448
Acquisitions	38,059	50,596
Translation impact	7,019	(9,791)
Goodwill, ending balance	907,331	862,253
Enterprise Solutions
Goodwill [Roll Forward]
Goodwill, beginning balance	477,834	473,241
Acquisitions	32,243	6,528
Translation impact	1,447	(1,935)
Goodwill, ending balance	511,524	477,834
Industrial Automation Solutions
Goodwill [Roll Forward]
Goodwill, beginning balance	384,419	348,207
Acquisitions	5,816	44,068
Translation impact	5,572	(7,856)
Goodwill, ending balance	$ 395,807	$ 384,419

Intangible Assets - Additional

Intangible Assets - Additional Information (Details)	12 Months Ended
	Dec. 31, 2023 USD ($) reportingUnit	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Finite And Indefinite Intangible Assets [Line Items]
Number of reporting units used in quantitative assessment | reportingUnit	3
Number of reporting units used in qualitative assessment | reportingUnit	3
Impairment of indefinite lived intangible assets	$ 0	$ 0	$ 0
Amortization expense in income from continuing operations	48,100,000	41,700,000	32,200,000
Expected annual amortization expense in 2024	44,700,000
Expected annual amortization expense in 2025	39,500,000
Expected annual amortization expense in 2026	27,600,000
Expected annual amortization expense in 2027	26,400,000
Expected annual amortization expense in 2028	$ 21,500,000
Tripwire
Finite And Indefinite Intangible Assets [Line Items]
Goodwill impairment loss			131,200,000
Minimum
Finite And Indefinite Intangible Assets [Line Items]
Reporting unit, percentage of fair value in excess of carrying amount	30%
Minimum | Discount Rate
Finite And Indefinite Intangible Assets [Line Items]
Goodwill, measurement input	0.119
Minimum | Revenue Growth Rate | Revenue Growth Rate, Tranche One
Finite And Indefinite Intangible Assets [Line Items]
Goodwill, measurement input	0.042
Minimum | Revenue Growth Rate | Revenue Growth Rate, Tranche Two
Finite And Indefinite Intangible Assets [Line Items]
Goodwill, measurement input	0.020
Maximum
Finite And Indefinite Intangible Assets [Line Items]
Reporting unit, percentage of fair value in excess of carrying amount	106%
Maximum | Discount Rate
Finite And Indefinite Intangible Assets [Line Items]
Goodwill, measurement input	0.138
Maximum | Revenue Growth Rate | Revenue Growth Rate, Tranche One
Finite And Indefinite Intangible Assets [Line Items]
Goodwill, measurement input	0.063
Maximum | Revenue Growth Rate | Revenue Growth Rate, Tranche Two
Finite And Indefinite Intangible Assets [Line Items]
Goodwill, measurement input	0.030
Brazil
Finite And Indefinite Intangible Assets [Line Items]
Goodwill impairment loss			1,700,000
Continuing Operations
Finite And Indefinite Intangible Assets [Line Items]
Goodwill impairment loss		0	$ 0
Enterprise Solutions | Trademarks
Finite And Indefinite Intangible Assets [Line Items]
Indefinite-lived trademarks	$ 27,000,000	$ 27,000,000

Accrued Liabilities (Details)

Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Accrued Liabilities [Abstract]
Wages, severance and related taxes	$ 71,880	$ 86,536
Accrued rebates	49,255	55,559
Employee benefits	27,487	26,421
Deferred revenue	23,718	26,215
Lease liabilities	18,945	16,833
Accrued interest	18,774	18,154
Other (individual items less than 5% of total current liabilities)	80,230	60,143
Accrued liabilities	$ 290,289	$ 289,861

Restructuring Activities - Addi

Restructuring Activities - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs	$ 18,654	$ 16,470	$ 18,367
Restructuring and integration cost payable period	60 days
Enterprise Solutions
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs	$ 10,128	8,130	12,183
Productivity Initiative Program | Enterprise Solutions
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs	3,600
Productivity Initiative Program | Industrial Automation Solutions
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs	5,500
Acquisition Integration Program | Enterprise Solutions
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs	6,500	4,800	9,600
Acquisition Integration Program | Industrial Automation Solutions
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs	$ 3,000	3,400	3,000
Manufacturing Footprint Program | Enterprise Solutions
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs		3,300
Manufacturing Footprint Program | Industrial Automation Solutions
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs		$ 5,000
Cost Reduction Plan | Enterprise Solutions
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs			2,600
Cost Reduction Plan | Industrial Automation Solutions
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs			$ 3,200

Restructuring Activities - Seve

Restructuring Activities - Severance, Restructuring and Integration Costs by Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]
Severance	$ 8,854	$ 1,563	$ 3,676
Restructuring and Integration Costs	9,800	14,907	14,691
Total Costs	18,654	16,470	18,367
Enterprise Solutions
Restructuring Cost and Reserve [Line Items]
Severance	4,180	1,070	1,121
Restructuring and Integration Costs	5,948	7,060	11,062
Total Costs	10,128	8,130	12,183
Industrial Automation Solutions
Restructuring Cost and Reserve [Line Items]
Severance	4,674	493	2,555
Restructuring and Integration Costs	3,852	7,847	3,629
Total Costs	$ 8,526	$ 8,340	$ 6,184

Restructuring Activities - Cost

Restructuring Activities - Costs of Various Programs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs	$ 18,654	$ 16,470	$ 18,367
Cost of sales
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs	1,667	10,060	8,493
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs	15,362	6,410	9,874
Research and development expenses
Restructuring Cost and Reserve [Line Items]
Severance, restructuring, and acquisition integration costs	$ 1,625	$ 0	$ 0

Restructuring Activities - Accr

Restructuring Activities - Accrued Severance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Restructuring Reserve [Roll Forward]
New charges	$ 18,654	$ 16,470	$ 18,367
Employee Severance
Restructuring Reserve [Roll Forward]
Restructuring reserve, beginning balance	0
New charges	8,254
Cash payments	(3,151)
Foreign currency translation	68
Other adjustments	(161)
Restructuring reserve, ending balance	$ 5,010	$ 0

Long-Term Debt and Other Borr_3

Long-Term Debt and Other Borrowing Arrangements - Carrying Values of Long-Term Debt and Other Borrowing Arrangements (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Long-term debt, gross	$ 1,214,950	$ 1,174,140
Less unamortized debt issuance costs	(10,739)	(12,964)
Long-term debt	1,204,211	1,161,176
Line of Credit | Revolving Credit Facility | Revolving credit agreement due 2026
Debt Instrument [Line Items]
Long-term debt, gross	0	0
Senior Subordinated Notes | 3.375% Senior subordinated notes due 2027
Debt Instrument [Line Items]
Long-term debt, gross	$ 497,025	480,330
Senior subordinated notes interest rate	3.375%
Senior Subordinated Notes | 3.875% Senior subordinated notes due 2028
Debt Instrument [Line Items]
Long-term debt, gross	$ 386,575	373,590
Senior subordinated notes interest rate	3.875%
Senior Subordinated Notes | 3.375% Senior subordinated notes due 2031
Debt Instrument [Line Items]
Long-term debt, gross	$ 331,350	$ 320,220
Senior subordinated notes interest rate	3.375%		3.375%

Long-Term Debt and Other Borr_4

Long-Term Debt and Other Borrowing Arrangements - Additional Information (Details) $ in Thousands, € in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 EUR (€)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 EUR (€)	Dec. 31, 2023 EUR (€)	Dec. 31, 2022 EUR (€)	Dec. 31, 2021 EUR (€)	Dec. 31, 2020 EUR (€)
Debt Instrument [Line Items]
Revolver borrowings outstanding	$ 1,214,950	$ 1,174,140
Senior subordinated notes	1,215,000	1,174,100
Debt issuance costs paid	0	0		$ 8,173
Loss on debt extinguishment	0	6,392		5,715
3.375% Senior subordinated notes due 2027
Debt Instrument [Line Items]
Senior subordinated notes	497,000
3.875% Senior subordinated notes due 2028
Debt Instrument [Line Items]
Senior subordinated notes	386,600
Line of Credit | Revolving Credit Facility | Revolving credit agreement due 2026
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity				$ 300,000
Commitment fee percentage				0.25%	0.25%
Fixed charge coverage rate, minimum threshold				90%	90%
Amended revolver fees paid				$ 2,300
Revolver borrowings outstanding	0	0
Revolver available borrowing capacity	289,100
Line of Credit | Revolving Credit Facility | Revolving credit agreement due 2026 | Minimum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				1.25%	1.25%
Line of Credit | Revolving Credit Facility | Revolving credit agreement due 2026 | Minimum | Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				0.25%	0.25%
Line of Credit | Revolving Credit Facility | Revolving credit agreement due 2026 | Maximum
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				1.75%	1.75%
Line of credit facility, remaining borrowing capacity				$ 20,000
Line of Credit | Revolving Credit Facility | Revolving credit agreement due 2026 | Maximum | Base Rate
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate				0.75%	0.75%
Senior Subordinated Notes
Debt Instrument [Line Items]
Fair value of debt instrument	1,141,800	1,046,300
Senior Subordinated Notes | 3.375% Senior subordinated notes due 2027
Debt Instrument [Line Items]
Revolver borrowings outstanding	$ 497,025	480,330
Aggregate principal amount outstanding of senior subordinated notes | €						€ 450
Senior subordinated notes interest rate	3.375%					3.375%
Senior Subordinated Notes | 3.875% Senior subordinated notes due 2028
Debt Instrument [Line Items]
Revolver borrowings outstanding	$ 386,575	373,590
Aggregate principal amount outstanding of senior subordinated notes | €						€ 350
Senior subordinated notes interest rate	3.875%					3.875%
Senior Subordinated Notes | 3.375% Senior subordinated notes due 2031
Debt Instrument [Line Items]
Revolver borrowings outstanding	$ 331,350	320,220
Aggregate principal amount outstanding of senior subordinated notes				$ 356,000				€ 300
Senior subordinated notes interest rate	3.375%			3.375%		3.375%		3.375%
Senior subordinated notes	$ 331,400
Debt issuance costs paid				$ 5,900
Senior Subordinated Notes | 2.875% Senior Subordinated Notes Due 2025
Debt Instrument [Line Items]
Aggregate principal amount outstanding of senior subordinated notes | €									€ 300
Senior subordinated notes interest rate									2.875%
Repurchase amount | €								€ 300
Repayments of debt				358,500	€ 302.2
Loss on debt extinguishment				$ 5,700
Senior Subordinated Notes | 4.125% Senior Subordinated Notes Due 2026
Debt Instrument [Line Items]
Aggregate principal amount outstanding of senior subordinated notes | €									€ 200
Senior subordinated notes interest rate									4.125%
Repurchase amount | €							€ 200
Repayments of debt		227,900	€ 204.1
Loss on debt extinguishment		$ 6,400

Long-Term Debt and Other Borr_5

Long-Term Debt and Other Borrowing Arrangements - Schedule of Senior Subordinated Notes (Details)	12 Months Ended
	Dec. 31, 2023
2022 | Senior Subordinated Notes Due 2027
Debt Instrument [Line Items]
Redemption price as a percentage of the face amount of the notes	101.688%
2023 | Senior Subordinated Notes Due 2027
Debt Instrument [Line Items]
Redemption price as a percentage of the face amount of the notes	101.125%
2023 | Senior Subordinated Notes Due 2028
Debt Instrument [Line Items]
Redemption price as a percentage of the face amount of the notes	101.938%
2024 | Senior Subordinated Notes Due 2027
Debt Instrument [Line Items]
Redemption price as a percentage of the face amount of the notes	100.563%
2024 | Senior Subordinated Notes Due 2028
Debt Instrument [Line Items]
Redemption price as a percentage of the face amount of the notes	101.292%
2025 | Senior Subordinated Notes Due 2028
Debt Instrument [Line Items]
Redemption price as a percentage of the face amount of the notes	100.646%
2026 | Senior Subordinated Notes Due 2031
Debt Instrument [Line Items]
Redemption price as a percentage of the face amount of the notes	101.688%
2027 | Senior Subordinated Notes Due 2031
Debt Instrument [Line Items]
Redemption price as a percentage of the face amount of the notes	100.844%
2028 | Senior Subordinated Notes Due 2031
Debt Instrument [Line Items]
Redemption price as a percentage of the face amount of the notes	100.422%
2025 and thereafter | Senior Subordinated Notes Due 2027
Debt Instrument [Line Items]
Redemption price as a percentage of the face amount of the notes	100%
2026 and thereafter | Senior Subordinated Notes Due 2028
Debt Instrument [Line Items]
Redemption price as a percentage of the face amount of the notes	100%
2029 and thereafter | Senior Subordinated Notes Due 2031
Debt Instrument [Line Items]
Redemption price as a percentage of the face amount of the notes	100%

Long-Term Debt and Other Borr_6

Long-Term Debt and Other Borrowing Arrangements - Maturities on Outstanding Long-Term Debt and Other Borrowings (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Debt Disclosure [Abstract]
2024	$ 0
2025	0
2026	0
2027	497,025
2028	386,575
Thereafter	331,350
Total gross debt and other borrowing arrangements	$ 1,214,950	$ 1,174,140

Net Investment Hedge (Details)

Net Investment Hedge (Details) $ in Thousands, € in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2022 EUR (€)	Dec. 31, 2021 USD ($)	Dec. 31, 2023 EUR (€)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Cumulative translation adjustment | $	$ (24,566)	$ 39,509		$ 88,290
Senior subordinated debt, dedesignated | €			€ 200
Senior Subordinated Notes
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Senior subordinated debt, hedged | €					€ 567.8
Cumulative translation adjustment | $	$ (21,500)	$ 41,900		$ 67,600

Income Taxes - Components of In

Income Taxes - Components of Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income from continuing operations before taxes:
United States operations	$ 86,805	$ 97,900	$ 188,650
Foreign operations	198,951	219,493	38,130
Income from continuing operations before taxes	285,756	317,393	226,780
Currently payable
United States federal	34,091	34,310	1,649
United States state and local	3,900	4,801	2,453
Foreign	18,166	6,677	15,984
Income tax expense (benefit)	56,157	45,788	20,086
Deferred
United States federal	(7,497)	(446)	16,354
United States state and local	(623)	(50)	5,988
Foreign	(4,837)	4,353	(14,489)
Deferred Income tax expense (benefit)	(12,957)	3,857	7,853
Income tax expense	$ 43,200	$ 49,645	$ 27,939

Income Taxes - Additional Infor

Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income Taxes [Line Items]
Income tax benefit	$ (43,200)	$ (49,645)	$ (27,939)
Foreign tax rate differences benefit in income tax	(30,100)	(34,400)	1,500
Deferred tax assets, operating loss carryforwards	35,000
Valuation allowance associated with operating loss carryforwards	35,000
Net operating loss carryforwards	93,649
Capital loss carryforwards	399,500
Net tax credit carryforwards that will expire	6,214
Operating loss carryforwards that will be used in expiration periods	30,200
Net tax credit carry forwards with indefinite carry forward period	2,200
Net tax credit carryforwards that expected to be utilized prior to expiry	3,900
Net increase in reserve for uncertain tax positions	1,000
Balance at end of the year of unrecognized tax benefits	7,143	6,180	5,821
Expiring in between 2024 and 2026
Income Taxes [Line Items]
Net operating loss carryforwards	8,800
Net tax credit carryforwards that will expire	600
Expiring in between 2027 and 2042
Income Taxes [Line Items]
Net operating loss carryforwards	42,200
Net tax credit carryforwards that will expire	3,400
Indefinite Period
Income Taxes [Line Items]
Net operating loss carryforwards	42,600
Capital loss carryforwards	44,200
Expiring in between 2025 and 2027
Income Taxes [Line Items]
Capital loss carryforwards	355,200
Domestic Tax Authority
Income Taxes [Line Items]
Net tax credit carryforwards	8,400
Discontinued Operations
Income Taxes [Line Items]
Income tax benefit	$ 0	$ 2,500	$ 2,700

Income Taxes - Effective Income

Income Taxes - Effective Income Tax Rate Reconciliation from Continuing Operations (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Effective income tax rate reconciliation from continuing operations:
United States federal statutory rate	21%	21%	21%
State and local income taxes	0.80%	1.20%	3.40%
Impact of change in tax contingencies	0.30%	0.10%	(0.70%)
Foreign income tax rate differences	(10.50%)	(10.90%)	0.70%
Impact of change in deferred tax asset valuation allowance	0.50%	(2.50%)	(19.10%)
Domestic permanent differences and tax credits	2.90%	6.30%	6%
Impact of share-based compensation	0.10%	0.40%	1%
Effective income tax rate reconciliation from continuing operations	15.10%	15.60%	12.30%

Income Taxes - Components of De

Income Taxes - Components of Deferred Income Tax Balances (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Deferred income tax liabilities:
Plant, equipment, and intangibles	$ (98,112)	$ (94,189)
Right of use asset	(21,440)	(19,853)
Deferred tax liabilities	(119,552)	(114,042)
Deferred income tax assets:
Postretirement, pensions, and stock compensation	17,052	17,368
Reserves and accruals	41,474	25,519
Net operating loss, capital loss, and tax credit carryforwards	114,896	149,607
Lease liability	22,073	19,938
Valuation allowances	(109,676)	(142,330)
Deferred tax assets	85,819	70,102
Net deferred income tax liability	$ (33,733)	$ (43,940)

Income Taxes - Summary of Net O

Income Taxes - Summary of Net Operating Loss Carryforwards (Details) $ in Thousands	Dec. 31, 2023 USD ($)
Operating Loss Carryforwards [Line Items]
Net Operating Loss Carryforwards	$ 93,649
United States - Federal and various states
Operating Loss Carryforwards [Line Items]
Net Operating Loss Carryforwards	44,066
Germany
Operating Loss Carryforwards [Line Items]
Net Operating Loss Carryforwards	19,418
United Kingdom
Operating Loss Carryforwards [Line Items]
Net Operating Loss Carryforwards	13,641
Other
Operating Loss Carryforwards [Line Items]
Net Operating Loss Carryforwards	8,290
Australia
Operating Loss Carryforwards [Line Items]
Net Operating Loss Carryforwards	$ 8,234

Income Taxes - Summary of Tax C

Income Taxes - Summary of Tax Credit Carryforwards (Details) $ in Thousands	Dec. 31, 2023 USD ($)
Tax Credit Carryforward [Line Items]
Tax Credit Carryforwards	$ 6,214
United  States
Tax Credit Carryforward [Line Items]
Tax Credit Carryforwards	4,705
Belgium
Tax Credit Carryforward [Line Items]
Tax Credit Carryforwards	$ 1,509

Income Taxes - Reconciliation o

Income Taxes - Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of year	$ 6,180	$ 5,821
Additions for tax positions of prior years	605	0
Additions based on tax positions related to the current year	358	359
Balance at end of year	$ 7,143	$ 6,180

Pension and Other Postretirem_3

Pension and Other Postretirement Benefits - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Defined contribution expense	$ 14,000	$ 13,400	$ 12,200
Accumulated benefit obligation	360,700	305,700
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Pension plans with projected benefit obligation in excess of plan assets, fair value of plan assets	281,100	262,700
Pension plans with projected benefit obligation in excess of plan assets, accumulated benefit obligation	278,400	251,000
Pension plans with projected benefit obligation in excess of plan assets, projected benefit obligation	224,000	210,400
Settlement loss (gain)	(101)	1,189	(18)
Anticipated pension and other postretirement plans contributions, next fiscal year	$ 12,300
Pension Plan, Ongoing | Minimum | Defined Benefit Plan, Equity Securities, Asset Protection Investments
Defined Benefit Plan Disclosure [Line Items]
Target asset allocations	45%
Pension Plan, Ongoing | Minimum | Defined Benefit Plan, Equity Securities, Asset Growth Investments
Defined Benefit Plan Disclosure [Line Items]
Target asset allocations	40%
Pension Plan, Ongoing | Maximum | Defined Benefit Plan, Equity Securities, Asset Protection Investments
Defined Benefit Plan Disclosure [Line Items]
Target asset allocations	60%
Pension Plan, Ongoing | Maximum | Defined Benefit Plan, Equity Securities, Asset Growth Investments
Defined Benefit Plan Disclosure [Line Items]
Target asset allocations	55%
Pension Plan, Payment Or Terminated Vested Status | Minimum | Defined Benefit Plan, Equity Securities, Asset Protection Investments
Defined Benefit Plan Disclosure [Line Items]
Target asset allocations	80%
Pension Plan, Payment Or Terminated Vested Status | Minimum | Defined Benefit Plan, Equity Securities, Asset Growth Investments
Defined Benefit Plan Disclosure [Line Items]
Target asset allocations	10%
Pension Plan, Payment Or Terminated Vested Status | Maximum | Defined Benefit Plan, Equity Securities, Asset Protection Investments
Defined Benefit Plan Disclosure [Line Items]
Target asset allocations	90%
Pension Plan, Payment Or Terminated Vested Status | Maximum | Defined Benefit Plan, Equity Securities, Asset Growth Investments
Defined Benefit Plan Disclosure [Line Items]
Target asset allocations	20%
Other Plans
Defined Benefit Plan Disclosure [Line Items]
Other postretirement plans with accumulated benefit obligation in excess of plan assets, accumulated benefit obligation	$ 21,300	19,900
Other postretirement plans with accumulated benefit obligation in excess of plan assets, fair value of plan assets	0	0
Settlement loss (gain)	0	$ 0	$ 0
Anticipated pension and other postretirement plans contributions, next fiscal year	$ 1,500

Pension and Other Postretirem_4

Pension and Other Postretirement Benefits - Change in Benefit Obligation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension Plans
Change in benefit obligation:
Benefit obligation, beginning of year	$ (317,424)	$ (471,834)
Service cost	(2,632)	(3,491)	$ (3,953)
Interest cost	(15,237)	(9,248)	(7,512)
Participant contributions	(435)	(350)
Actuarial gain (loss)	(16,231)	123,851
Acquisitions and divestitures	0	(9,257)
Settlements	2,987	6,567
Other	0	0
Foreign currency exchange rate changes	(12,427)	33,316
Benefits paid	18,640	13,022
Benefit obligation, end of year	(342,759)	(317,424)	(471,834)
Other Plans
Change in benefit obligation:
Benefit obligation, beginning of year	(19,944)	(27,625)
Service cost	(11)	(24)	(33)
Interest cost	(1,012)	(761)	(727)
Participant contributions	(3)	(5)
Actuarial gain (loss)	(1,179)	5,690
Acquisitions and divestitures	0	0
Settlements	0	0
Other	0	(21)
Foreign currency exchange rate changes	(491)	1,409
Benefits paid	1,329	1,393
Benefit obligation, end of year	$ (21,311)	$ (19,944)	$ (27,625)

Pension and Other Postretirem_5

Pension and Other Postretirement Benefits - Change in Plan Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Change in plan assets:
Fair value of plan assets, beginning of year	$ 281,332
Fair value of plan assets, end of year	301,378	$ 281,332
Pension Plans
Change in plan assets:
Fair value of plan assets, beginning of year	281,332	394,026
Actual return on plan assets	21,141	(84,595)
Employer contributions	8,432	12,080
Plan participant contributions	435	350
Acquisitions and divestitures	0	6,772
Settlements	(2,987)	(6,567)
Foreign currency exchange rate changes	11,665	(27,712)
Benefits paid	(18,640)	(13,022)
Fair value of plan assets, end of year	301,378	281,332
Other Plans
Change in plan assets:
Fair value of plan assets, beginning of year	0	0
Actual return on plan assets	0	0
Employer contributions	1,326	1,388
Plan participant contributions	3	5
Acquisitions and divestitures	0	0
Settlements	0	0
Foreign currency exchange rate changes	0	0
Benefits paid	(1,329)	(1,393)
Fair value of plan assets, end of year	$ 0	$ 0

Pension and Other Postretirem_6

Pension and Other Postretirement Benefits - Amounts Recognized in Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Amounts recognized in the balance sheets:
Accrued benefit liability, noncurrent	$ (74,573)	$ (67,828)
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Funded status, end of year	(41,381)	(36,092)
Amounts recognized in the balance sheets:
Prepaid benefit cost	16,358	16,251
Accrued benefit liability, current	(3,051)	(3,106)
Accrued benefit liability, noncurrent	(54,688)	(49,237)
Net funded status	(41,381)	(36,092)
Other Plans
Defined Benefit Plan Disclosure [Line Items]
Funded status, end of year	(21,312)	(19,944)
Amounts recognized in the balance sheets:
Prepaid benefit cost	0	0
Accrued benefit liability, current	(1,427)	(1,353)
Accrued benefit liability, noncurrent	(19,885)	(18,591)
Net funded status	$ (21,312)	$ (19,944)

Pension and Other Postretirem_7

Pension and Other Postretirement Benefits - Components of Net Periodic Benefit Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Pension Plans
Components of net periodic benefit cost:
Service cost	$ 2,632	$ 3,491	$ 3,953
Interest cost	15,237	9,248	7,512
Expected return on plan assets	(16,512)	(16,023)	(16,337)
Amortization of prior service cost	176	174	110
Settlement loss (gain)	(101)	1,189	(18)
Other adjustments	0	0	(191)
Net loss (gain) recognition	(938)	734	3,764
Net periodic benefit cost (income)	494	(1,187)	(1,207)
Other Plans
Components of net periodic benefit cost:
Service cost	11	24	33
Interest cost	1,012	761	727
Expected return on plan assets	0	0	0
Amortization of prior service cost	0	0	0
Settlement loss (gain)	0	0	0
Other adjustments	0	0	0
Net loss (gain) recognition	(737)	(73)	(43)
Net periodic benefit cost (income)	$ 286	$ 712	$ 717

Pension and Other Postretirem_8

Pension and Other Postretirement Benefits - Assumptions Used in Determining Benefit Obligations and Net Periodic Benefit Cost Amounts (Details)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Pension Plans
Weighted average assumptions for benefit obligations at year end:
Discount rate	4.50%	4.90%
Salary increase	3.20%	3.20%
Cash balance interest credit rate	4.40%	4.50%
Weighted average assumptions for net periodic cost for the year:
Discount rate	4.90%	2%
Salary increase	3.20%	3.30%
Cash balance interest credit rate	4.50%	4.70%
Expected return on assets	5.20%	4.40%
Other Plans
Weighted average assumptions for benefit obligations at year end:
Discount rate	4.70%	5.20%
Weighted average assumptions for net periodic cost for the year:
Discount rate	5.20%	2.90%
Assumed health care cost trend rates:
Health care cost trend rate assumed for next year	5.20%	5.30%
Rate that the cost trend rate gradually declines to	4.60%	5%

Pension and Other Postretirem_9

Pension and Other Postretirement Benefits - Fair Values of Pension Plan Assets by Asset Category (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	$ 301,378	$ 281,332
U.S. equities fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	34,966	49,153
Non-U.S. equities fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	35,939	51,227
Government bond fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	77,480	56,318
Corporate bond fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	62,456	67,406
Fixed income fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	22,673	22,680
Liability driven investment fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	51,412	14,629
Other investments
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	9,565	10,531
Cash and equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	6,887	9,388
Quoted  Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	2,662	13,019
Quoted  Prices in Active Markets for Identical Assets (Level 1) | U.S. equities fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	0	4,384
Quoted  Prices in Active Markets for Identical Assets (Level 1) | Non-U.S. equities fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	0	5,393
Quoted  Prices in Active Markets for Identical Assets (Level 1) | Government bond fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	0	0
Quoted  Prices in Active Markets for Identical Assets (Level 1) | Corporate bond fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	0	0
Quoted  Prices in Active Markets for Identical Assets (Level 1) | Fixed income fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	0	0
Quoted  Prices in Active Markets for Identical Assets (Level 1) | Liability driven investment fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	0	0
Quoted  Prices in Active Markets for Identical Assets (Level 1) | Other investments
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	0	0
Quoted  Prices in Active Markets for Identical Assets (Level 1) | Cash and equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	2,662	3,242
Significant Observable Inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	0	9,186
Significant Observable Inputs (Level 2) | U.S. equities fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	0	0
Significant Observable Inputs (Level 2) | Non-U.S. equities fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	0	0
Significant Observable Inputs (Level 2) | Government bond fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	0	2,011
Significant Observable Inputs (Level 2) | Corporate bond fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	0	7,175
Significant Observable Inputs (Level 2) | Fixed income fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	0	0
Significant Observable Inputs (Level 2) | Liability driven investment fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	0	0
Significant Observable Inputs (Level 2) | Other investments
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	0	0
Significant Observable Inputs (Level 2) | Cash and equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	0	0
Investments Measured at Net Asset Value
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	298,716	259,127
Investments Measured at Net Asset Value | U.S. equities fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	34,966	44,769
Investments Measured at Net Asset Value | Non-U.S. equities fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	35,939	45,834
Investments Measured at Net Asset Value | Government bond fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	77,480	54,307
Investments Measured at Net Asset Value | Corporate bond fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	62,456	60,231
Investments Measured at Net Asset Value | Fixed income fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	22,673	22,680
Investments Measured at Net Asset Value | Liability driven investment fund
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	51,412	14,629
Investments Measured at Net Asset Value | Other investments
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	9,565	10,531
Investments Measured at Net Asset Value | Cash and equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair values of pension plan assets by asset category	$ 4,225	$ 6,146

Pension and Other Postretire_10

Pension and Other Postretirement Benefits - Benefits Expected to be Paid in Subsequent Years from Our Pension and Other Postretirement as Well as Medicare Subsidy Receipts (Details) $ in Thousands	Dec. 31, 2023 USD ($)
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
2024	$ 22,915
2025	20,919
2026	20,542
2027	21,908
2028	23,476
2029-2033	100,988
Total	210,748
Other Plans
Defined Benefit Plan Disclosure [Line Items]
2024	1,460
2025	1,466
2026	1,464
2027	1,467
2028	1,483
2029-2033	7,392
Total	$ 14,732

Pension and Other Postretire_11

Pension and Other Postretirement Benefits - Summary of Accumulated Other Comprehensive Loss That Have Not Been Recognized as Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Pension Plans
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss (gain)	$ 24,298	$ 11,695
Net prior service cost	2,148	2,197
Total	26,446
Other Plans
Defined Benefit Plan Disclosure [Line Items]
Net actuarial loss (gain)	(5,322)	(7,117)
Net prior service cost	0	$ 0
Total	$ (5,322)

Pension and Other Postretire_12

Pension and Other Postretirement Benefits - Changes in Accumulated Other Comprehensive Loss (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)
Pension Plans
Changes in accumulated other comprehensive loss:
Net actuarial loss (gain), beginning of year	$ 11,695
Amortization of actuarial gain	938
Actuarial loss	16,231
Asset gain	(4,629)
Settlement loss recognized	101
Currency impact	(38)
Net actuarial loss (gain), end of year	24,298
Prior service cost, beginning of year	2,197
Amortization of prior service cost	(176)
Currency impact	127
Prior service cost, end of year	2,148
Other Plans
Changes in accumulated other comprehensive loss:
Net actuarial loss (gain), beginning of year	(7,117)
Amortization of actuarial gain	737
Actuarial loss	1,179
Asset gain	0
Settlement loss recognized	0
Currency impact	(121)
Net actuarial loss (gain), end of year	(5,322)
Prior service cost, beginning of year	0
Amortization of prior service cost	0
Currency impact	0
Prior service cost, end of year	$ 0

Comprehensive Income and Accu_3

Comprehensive Income and Accumulated Other Comprehensive Income (Loss) - Components of Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 1,143,950	$ 956,082
Other comprehensive income (loss) attributable to Belden before reclassifications	(34,127)	66,160
Amounts reclassified from accumulated other comprehensive income	(1,281)	(1,465)
Net current period other comprehensive income (loss) attributable to Belden	(35,408)	64,695
Ending balance	1,166,302	1,143,950
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(5,871)	(70,566)
Ending balance	(41,279)	(5,871)
Foreign Currency Translation Component
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1,944)	(41,468)
Other comprehensive income (loss) attributable to Belden before reclassifications	(24,431)	42,531
Amounts reclassified from accumulated other comprehensive income	(139)	(3,007)
Net current period other comprehensive income (loss) attributable to Belden	(24,570)	39,524
Ending balance	(26,514)	(1,944)
Pension and Other Postretirement Benefit Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(3,927)	(29,098)
Other comprehensive income (loss) attributable to Belden before reclassifications	(9,696)	23,629
Amounts reclassified from accumulated other comprehensive income	(1,142)	1,542
Net current period other comprehensive income (loss) attributable to Belden	(10,838)	25,171
Ending balance	$ (14,765)	$ (3,927)

Comprehensive Income and Accu_4

Comprehensive Income and Accumulated Other Comprehensive Income (Loss) - Summary of Effects of Reclassifications from Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Amortization of pension and other postretirement benefit plan items:
Total before tax	$ (285,756)	$ (317,393)	$ (226,780)
Tax expense	43,200	49,645	27,939
Total net of tax	(242,759)	$ (254,663)	$ (63,925)
Amount Reclassified from Accumulated Other Comprehensive Income (Loss)
Amortization of pension and other postretirement benefit plan items:
Accumulated foreign currency translation gains	100
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) | Actuarial gains
Amortization of pension and other postretirement benefit plan items:
Other nonoperating expense (income)	(1,675)
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) | Prior service cost
Amortization of pension and other postretirement benefit plan items:
Other nonoperating expense (income)	176
Amount Reclassified from Accumulated Other Comprehensive Income (Loss) | Pension and Other Postretirement Benefit Plans
Amortization of pension and other postretirement benefit plan items:
Total before tax	(1,499)
Tax expense	357
Total net of tax	$ (1,142)

Share-Based Compensation - Inco

Share-Based Compensation - Income Tax Benefit Recognized for our Share-Based Compensation Arrangements (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]
Total share-based compensation cost	$ 21,024	$ 23,454	$ 22,627
Income tax benefit	$ 5,004	$ 5,582	$ 5,385

Share-Based Compensation - Addi

Share-Based Compensation - Additional Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to all nonvested awards	$ 31.5
Unrecognized compensation cost is expected to be recognized over a weighted-average period	2 years
SARs and Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
SAR's and stock options expiration period	10 years
SARs and Stock Options | Share-Based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	1 year
SARs and Stock Options | Share-Based Payment Arrangement, Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	2 years
SARs and Stock Options | Share-Based Payment Arrangement, Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Restricted Stock Units | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	3 years
Restricted Stock Units | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period	5 years

Share-Based Compensation - Fair

Share-Based Compensation - Fair Values for SARs and Stock Options Estimated on Grant Date Using Black-Scholes-Merton Option-Pricing Formula Which Incorporates Assumptions (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]
Weighted-average fair value of SARs granted (in usd per share)	$ 39.44	$ 21.85	$ 18.30
Total intrinsic value of SARs exercised	$ 12,229	$ 4,384	$ 1,581
Tax benefit from SARs exercised	$ 660	$ 678	$ 327
Weighted-average fair value of restricted stock units granted (in usd per share)	$ 95.32	$ 61.61	$ 51.76
Total fair value of restricted stock units vested	$ 19,821	$ 16,830	$ 12,623
Expected volatility	43.45%	43%	45.34%
Expected term (in years)	5 years 8 months 12 days	5 years 7 months 6 days	5 years 8 months 12 days
Risk-free rate	4.26%	1.89%	0.70%
Dividend yield	0.23%	0.37%	0.44%

Share-Based Compensation - Summ

Share-Based Compensation - Summary of Share Based Compensation Activity (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Weighted- Average Grant-Date Fair Value
Granted (in dollars per share)	$ 95.32	$ 61.61	$ 51.76
SARs and Stock Options
Number
Outstanding at beginning of period (in shares)	958
Granted (in shares)	115
Exercised or converted (in shares)	(576)
Forfeited or expired (in shares)	(84)
Outstanding at end of period (in shares)	413	958
Exercisable or convertible (in shares)	213
Weighted- Average Exercise Price
Outstanding at beginning of period (in dollars per share)	$ 64.13
Granted (in dollars per share)	85.77
Exercised or converted (in dollars per share)	67.85
Forfeited or expired (in dollars per share)	63.97
Outstanding at end of period (in dollars per share)	64.97	$ 64.13
Exercisable or convertible (in dollars per share)	$ 61.16
Weighted- Average Remaining Contractual Term
Outstanding	6 years 7 months 6 days	4 years 9 months 18 days
Exercisable or convertible	4 years 9 months 18 days
Aggregate Intrinsic Value
Outstanding	$ 6,220	$ 10,017
Exercisable or convertible	$ 3,684
Restricted Stock Units
Number
Outstanding at beginning of period (in shares)	897
Granted (in shares)	410
Exercised or converted (in shares)	(398)
Forfeited or expired (in shares)	(210)
Outstanding at end of period (in shares)	699	897
Weighted- Average Grant-Date Fair Value
Outstanding at beginning of period (in dollars per share)	$ 54.59
Granted (in dollars per share)	95.32
Exercised or converted (in dollars per share)	49.77
Forfeited or expired (in dollars per share)	59.98
Outstanding at end of period (in dollars per share)	$ 71.95	$ 54.59

Share Repurchases (Details)

Share Repurchases (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended			60 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2023	Dec. 31, 2018
Equity, Class of Treasury Stock [Line Items]
Shares repurchased (in shares)	2,300,000	2,600,000	0	6,700,000
Value of shares repurchased	$ 192.1	$ 150		$ 427.1
Treasury stock acquired, average cost per share (in usd per share)	$ 85.27	$ 57.95		$ 63.67
Stock repurchase program, remaining authorized repurchase amount	$ 172.9			$ 172.9
2018 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount					$ 300
2023 Share Repurchase Program
Equity, Class of Treasury Stock [Line Items]
Stock repurchase program, authorized amount	$ 300			$ 300

Market Concentrations and Ris_2

Market Concentrations and Risks (Details) lb in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) lb	Dec. 31, 2022 USD ($)	Dec. 31, 2021
Concentration Risk [Line Items]
Senior subordinated notes	$ 1,215	$ 1,174.1
Senior Subordinated Notes
Concentration Risk [Line Items]
Fair value of debt instrument	$ 1,141.8	$ 1,046.3
Copper
Concentration Risk [Line Items]
Committed amounts to purchase (in pounds) | lb	2.7
Committed amounts to purchase (in usd)	$ 10.5
Gain (loss) on unconditional purchase obligation	$ 0.1
Consolidated Revenues | Customer Concentration Risk | Ten Largest Customers
Concentration Risk [Line Items]
Percent of total revenues	44%	45%	44%
Workforce Subject to Collective Bargaining Arrangements | Labor Force Concentration Risk
Concentration Risk [Line Items]
Percent of total revenues	27%

Contingent Liabilities (Details

Contingent Liabilities (Details) $ in Millions	Dec. 31, 2023 USD ($)
Standby Letters of Credit
Line of Credit Facility [Line Items]
Loss contingency, range of possible loss, portion not accrued	$ 10.6
Surety Bonds
Line of Credit Facility [Line Items]
Loss contingency, range of possible loss, portion not accrued	4.7
Bank Guaranties
Line of Credit Facility [Line Items]
Loss contingency, range of possible loss, portion not accrued	$ 4.6

Supplemental Cash Flow Inform_3

Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Supplemental Cash Flow Elements [Abstract]
Income tax refunds received	$ 6,680	$ 16,480	$ 6,120
Income taxes paid	(62,367)	(71,255)	(40,139)
Interest paid	$ (42,105)	$ (45,168)	$ (54,176)

Schedule II - Valuation and Q_2

Schedule II - Valuation and Qualifying Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounts Receivable - Allowance for Doubtful Accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning Balance	$ 7,954	$ 4,864	$ 5,085
Charged to Costs and Expenses	15,745	6,615	597
Divestitures/ Acquisitions	422	319	(190)
Charge Offs	(154)	(3,648)	(326)
Recoveries	(861)	(121)	(227)
Currency Movement	8	(75)	(75)
Ending Balance	23,114	7,954	4,864
Inventories - Excess and Obsolete Allowances
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning Balance	45,913	45,663	32,248
Charged to Costs and Expenses	28,018	8,349	10,673
Divestitures/ Acquisitions	3,844	813	3,927
Charge Offs	(8,220)	(4,116)	0
Recoveries	(1,900)	(4,102)	(915)
Currency Movement	213	(694)	(270)
Ending Balance	67,868	45,913	45,663
Deferred Income Tax Asset - Valuation Allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Beginning Balance	142,330	66,960	82,549
Charged to Costs and Expenses	2,360	12,861	865
Divestitures/ Acquisitions	389	73,432	25,664
Charge Offs	(35,085)	0	(406)
Recoveries	(549)	(10,333)	(41,463)
Currency Movement	231	(590)	(249)
Ending Balance	$ 109,676	$ 142,330	$ 66,960