Knowles (KN) 10-Q 30 Oct 17 2017 Q3 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2017	Oct. 26, 2017
Document and Entity Information [Abstract]
Entity Registrant Name	Knowles Corp
Entity Central Index Key	1,587,523
Current Fiscal Year End Date	--09-30
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		89,468,491
Document Fiscal Year Focus	2,017
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2017

CONSOLIDATED STATEMENTS OF EARN

CONSOLIDATED STATEMENTS OF EARNINGS (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Revenues	$ 221.7	$ 243.1	$ 605.6	$ 618.7
Cost of goods sold	138.7	148.2	378.2	382.7
Tangible Asset Impairment Charges	0.3	0	1.7	0
Restructuring charges - cost of goods sold	0.2	0	3.9	1.4
Gross profit	82.5	94.9	221.8	234.6
Research and development expenses	23.9	23.3	76.8	75.2
Selling and administrative expenses	36.8	43	113.6	131.3
Asset Impairment Charges	0	0	19.9	0
Restructuring charges	0.9	2.1	4.4	9.3
Operating expenses	61.6	68.4	214.7	215.8
Operating earnings	20.9	26.5	7.1	18.8
Interest expense, net	5.1	5.6	15.4	15.1
Other expense (income), net	0	0	3.8	(1.7)
Earnings (loss) before income taxes and discontinued operations	15.8	20.9	(12.1)	5.4
Provision for income taxes	0.4	0	7.5	3.8
(Loss) earnings from continuing operations	15.4	20.9	(19.6)	1.6
Earnings (loss) from discontinued operations, net	0.3	(28.5)	2.4	(63.2)
Net earnings (loss)	$ 15.7	$ (7.6)	$ (17.2)	$ (61.6)
Earnings per share:
Income (Loss) from Continuing Operations, Per Basic Share	$ 0.17	$ 0.24	$ (0.22)	$ 0.02
Income (Loss) from Continuing Operations, Per Diluted Share	0.17	0.24	(0.22)	0.02
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share	0.01	(0.32)	0.03	(0.71)
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share	0	(0.32)	0.03	(0.71)
Basic loss per share (usd per share)	0.18	(0.08)	(0.19)	(0.69)
Diluted loss per share (usd per share)	$ 0.17	$ (0.08)	$ (0.19)	$ (0.69)
Weighted-average common shares outstanding:
Basic (in shares)	89,469,996	88,720,888	89,270,103	88,637,001
Diluted (in shares)	90,373,112	89,317,806	89,270,103	88,997,050

CONSOLIDATED STATEMENTS OF COMP

CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 15.7	$ (7.6)	$ (17.2)	$ (61.6)
Other comprehensive earnings, net of tax
Foreign currency translation, net of tax	4.9	27.2	25	37.1
Foreign currency translation	4.9	27.2	25	37.1
Changes in fair value of cash flow hedges:
Unrealized net gains (losses) arising during period	0.8	(0.2)	2.4	(0.3)
Net (gains) losses reclassified into earnings	(0.4)	0.1	1.3	(0.1)
Total cash flow hedges	0.4	(0.1)	3.7	(0.4)
Other comprehensive earnings, net of tax	5.3	27.1	28.7	36.7
Comprehensive earnings (loss)	$ 21	$ 19.5	$ 11.5	$ (24.9)

CONSOLIDATED BALANCE SHEETS (Un

CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 57.7	$ 66.2
Receivables, net of allowances of $0.8 and $1.7	152.4	145.1
Inventories, net	148.3	108.2
Prepaid and other current assets	12.7	10.6
Total current assets	371.1	330.1
Property, plant, and equipment, net	193.8	186.2
Goodwill	907.7	894.6
Intangible assets, net	57.5	77.4
Other assets and deferred charges	(23.8)	(25.8)
Assets of discontinued operations	0	0.9
Total assets	1,553.9	1,515
Current liabilities:
Current maturities of long-term debt	13.3	9.7
Accounts payable	75.3	71.8
Accrued compensation and employee benefits	30.3	34.7
Other accrued expenses	31.8	26
Federal and other taxes on income	4.7	6.8
Total current liabilities	155.4	149
Long-term debt	297.9	288.5
Deferred income taxes	22.3	21.7
Other liabilities	41.4	41.4
Liabilities of discontinued operations	0	6
Commitments and contingencies (Note 13)
Stockholders' equity:
Preferred stock - $0.01 par value; 10,000,000 shares authorized; none issued	0	0
Common stock - $0.01 par value; 400,000,000 shares authorized; 89,467,773 and 88,737,284 shares issued and outstanding at September 30, 2017 and December 31, 2016, respectively	0.9	0.9
Additional paid-in capital	1,516.8	1,499.8
Accumulated deficit	(377.4)	(360.2)
Accumulated other comprehensive loss	(103.4)	(132.1)
Total stockholders' equity	1,036.9	1,008.4
Total liabilities and stockholders' equity	$ 1,553.9	$ 1,515

CONSOLIDATED BALANCE SHEETS (u5

CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Current assets:
Allowance for doubtful accounts receivable	$ 0.8	$ 1.7
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	400,000,000	400,000,000
Common stock, shares issued (in shares)	89,467,773	88,737,284

CONSOLIDATED STATEMENT OF STOCK

CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (unaudited) - 9 months ended Sep. 30, 2017 - USD ($) $ in Millions	Total	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Balance at Dec. 31, 2016	$ 1,008.4	$ 0.9	$ 1,499.8	$ (360.2)	$ (132.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings (loss)	(17.2)			(17.2)
Other comprehensive earnings, net of tax	28.7				28.7
Stock-based compensation expense	18.6		18.6
Common stock issued for exercise of stock options			3.3
Tax on restricted stock unit vesting	(4.9)		(4.9)
Balance at Sep. 30, 2017	$ 1,036.9	$ 0.9	$ 1,516.8	$ (377.4)	$ (103.4)

CONSOLIDATED STATEMENTS OF CASH

CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Operating Activities
Net earnings (loss)	$ (17.2)	$ (61.6)
Adjustments to reconcile net loss to cash from operating activities:
Depreciation and amortization	44.4	57.8
Gain (Loss) on Disposition of Business	0	(25.6)
Impairment of Intangible Assets, Finite-lived	16.2	0
Stock-based compensation	(18.6)	(16.4)
Impairment of Long-Lived Assets Held-for-use	5.4	0
Non-cash interest expense and amortization of debt issuance costs	5.5	3.9
Deferred income taxes	(0.6)	(1.4)
(Gain) loss on disposal of fixed assets	(0.2)	1.3
Other, net	5.5	3.6
Cash effect of changes in assets and liabilities (excluding effects of foreign exchange):
Receivables, net	(4.1)	30.1
Inventories, net	(35.8)	8
Prepaid and other current assets	(0.8)	(2.2)
Accounts payable	(4.4)	(31.8)
Accrued compensation and employee benefits	(5.4)	(5)
Other accrued expenses	5.2	(7.8)
Accrued and deferred taxes, net	(3.9)	3.8
Other non-current assets and non-current liabilities	2.7	(2.9)
Net cash provided by operating activities	31.1	37.8
Investing Activities
Proceeds from Divestiture of Businesses	0	40.6
Proceeds from Sale of Investment Projects	0	2
Proceeds from the sale of property, plant, and equipment	0.5	2
Payments to Acquire Businesses, Net of Cash Acquired	2.5	0
Proceeds from the sale of business	(43.4)	(31)
Net cash (used in) provided by investing activities	(45.4)	13.6
Financing Activities
Payments under revolving credit facility	0	(77)
Proceeds from Lines of Credit	15	32
Principal payments on term loan debt	(7.2)	(166.5)
Proceeds from Convertible Debt	0	172.5
Proceeds from Issuance of Warrants	0	39.1
Payments for Hedge, Financing Activities	0	44.5
Debt issuance costs	0	(6.7)
Proceeds from exercise of stock-based awards	3.3	0
Payments of capital lease obligations	(1.2)	(1.9)
Payment of taxes related to net share settlement of equity awards	(4.9)	(1.5)
Net cash provided by (used in) financing activities	5	(54.5)
Effect of exchange rate changes on cash and cash equivalents	0.8	(0.2)
Net decrease in cash and cash equivalents	(8.5)	(3.3)
Cash and cash equivalents at beginning of period	66.2	63.3
Cash and cash equivalents at end of period	$ 57.7	$ 60

Basis of Presentation

Basis of Presentation	9 Months Ended
	Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Presentation	Description of Business - Knowles Corporation (NYSE: KN) is a market leader and global supplier of advanced micro-acoustic, audio processing, and precision device solutions, serving the mobile consumer electronics, communications, medical, military, aerospace, and industrial markets. Knowles uses its leading position in MEMS (micro-electro-mechanical systems) microphones and strong capabilities in audio processing technologies to optimize audio systems and improve the user experience in smartphones, tablets, and wearables. Knowles is also the leader in acoustics components used in hearing aids and has a strong position in high-end oscillators (timing devices) and capacitors. The Company's focus on its customer, combined with its unique technology, proprietary manufacturing techniques, rigorous testing, and global scale, enables the Company to deliver innovative solutions that optimize the user experience. References to “Knowles,” “the Company,” “we,” “our,” and “us” refer to Knowles Corporation and its consolidated subsidiaries. Financial Statement Presentation - The accompanying unaudited interim Consolidated Financial Statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC") for quarterly reports on Form 10-Q and do not include all of the information and note disclosures required by U.S. generally accepted accounting principles (“GAAP” or “U.S. GAAP”) for complete financial statements. These unaudited interim Consolidated Financial Statements should therefore be read in conjunction with the Consolidated Financial Statements and Notes thereto for the year ended December 31, 2016 included in the Company’s Annual Report on Form 10-K. The accompanying unaudited interim Consolidated Financial Statements have been prepared in accordance with U.S. GAAP, which requires management to make estimates and assumptions that affect amounts reported in the Consolidated Financial Statements and accompanying disclosures. Although these estimates are based on management’s best knowledge of current events and actions that the Company may undertake in the future, actual results may differ from those estimates. The unaudited interim Consolidated Financial Statements reflect all adjustments of a normal, recurring nature that are, in the opinion of management, necessary for a fair statement of results for these interim periods. During the first quarter of 2017, the Company recorded a correcting entry of $1.1 million related to inventory reserves and incentive compensation accruals. These items, which decreased earnings (loss) before income taxes and discontinued operations, are not material to the Consolidated Financial Statements for any impacted period. During the first quarter of 2017, the Company adopted the Accounting Standard Update (“ASU”) 2016-16 issued in October 2016. The ASU requires the Company to recognize the income tax consequences of an intra-entity transfer of an asset, other than inventory, when the transfer occurs. The Company adopted this standard utilizing the modified retrospective approach and recognized the cumulative effect of the change, which resulted in the Company increasing the beginning balance of the Accumulated deficit line item by $0.1 million on the Consolidated Balance Sheet. In addition, Other assets and deferred charges decreased by $0.1 million as a result of this adoption. Refer to Note 16. Recent Accounting Standards for additional details. In January 2017, the Company changed its allocation of resources and its internal reporting structure to facilitate delivering growth in its core business. Given these changes, beginning in January 2017, the Company's two reportable segments are as follows: • Audio Segment Our Audio group designs and manufactures innovative audio products, including acoustics like microphones and balanced armature speakers, signal processing technologies, and software and algorithms used in applications that serve the mobile, ear, and Internet of Things (IoT) markets. Its transducer products are used principally in hearing aid applications within the commercial audiology market. Locations include the corporate office in Itasca, Illinois; sales, support, and engineering facilities in North America, Europe, and Asia; and manufacturing facilities in Asia. • Precision Devices ("PD") Segment Our PD group specializes in the design and manufacture of specialized electronic components used in medical and life science applications, as well as high-performance solutions and components used in communications infrastructure and a wide variety of other markets. Its oscillator products predominantly serve the telecom infrastructure market and its capacitor products are used in applications including radio, radar, satellite, power supplies, transceivers, and medical implants serving the defense, aerospace, telecommunication, and life sciences markets. Locations include the corporate office in Itasca, Illinois; and sales, support, engineering, and manufacturing facilities in North America, Europe, and Asia. Financial reporting under this new structure is included within this report on Form 10-Q and historical financial segment information has been recast to conform to this new presentation within our financial statements. On January 11, 2017, the Company completed an acquisition of certain assets of a capacitors manufacturer for cash consideration of $4.0 million , of which $2.5 million was paid during the first quarter of 2017, with the remaining $1.5 million to be paid in quarterly installments from 2018 through the first quarter of 2019, less any purchase price adjustments. This acquisition's operations are included in the PD segment. The financial results of this acquisition were included in our Consolidated Financial Statements beginning January 11, 2017. As discussed in Note 2. Disposed and Discontinued Operations , the Company completed its sale of the speaker and receiver product line on July 7, 2016 ("Speaker and Receiver Product Line"). In accordance with Accounting Standards Codification ("ASC") 205-20, Presentation of Financial Statements - Discontinued Operations, the results of operations and related assets and liabilities for the Speaker and Receiver Product Line have been reclassified as discontinued operations for all periods presented. Non-cash Investing Activities - Purchases of property, plant, and equipment included in accounts payable at September 30, 2017 and 2016 were $3.6 million and $3.8 million , respectively. These non-cash amounts are not reflected as outflows to Additions to property, plant, and equipment within investing activities of the Consolidated Statements of Cash Flows for the respective periods.

Discontinued Operations Discont

Discontinued Operations Discontinued Operations	9 Months Ended
	Sep. 30, 2017
Discontinued Operations [Abstract]
Disposal Groups, Including Discontinued Operations, Disclosure	Management and the Board of Directors conduct strategic reviews of its businesses periodically. On February 11, 2016, the Company announced its intention to sell the Speaker and Receiver Product Line, and as a result, reclassified the Speaker and Receiver Product Line within the Audio segment to discontinued operations in the first quarter of 2016. On July 7, 2016, the Company completed the sale of its Speaker and Receiver Product Line for $45.0 million in cash, less purchase price adjustments for a net amount received of $40.6 million . The Company recorded a loss of $25.6 million as a result of the sale, which included $26.9 million of loss amounts reclassified from Accumulated other comprehensive loss into earnings related to currency translation adjustments. The results of discontinued operations for the three and nine months ended September 30, 2017 and 2016 reflect the net earnings (loss) of the Speaker and Receiver Product Line. Summarized results of the Company's discontinued operations are as follows: Three Months Ended September 30, Nine Months Ended September 30, (in millions) 2017 2016 2017 2016 Revenues $ — $ 5.5 $ — $ 50.6 Cost of goods sold (0.5 ) 8.6 (0.6 ) 64.3 Restructuring charges - cost of goods sold — 0.1 — 9.4 Gross profit (loss) 0.5 (3.2 ) 0.6 (23.1 ) Research and development expenses — 0.2 — 6.9 Selling and administrative expenses 0.1 (1.5 ) (0.4 ) 6.6 Restructuring charges — — — 1.8 Operating expenses (income) 0.1 (1.3 ) (0.4 ) 15.3 Loss on sale of business — 25.6 — 25.6 Earnings (loss) from discontinued operations before taxes 0.4 (27.5 ) 1.0 (64.0 ) Provision for (benefit from) income taxes 0.1 1.0 (1.4 ) (0.8 ) Earnings (loss) from discontinued operations, net of tax $ 0.3 $ (28.5 ) $ 2.4 $ (63.2 ) Assets and liabilities of discontinued operations are summarized below: (in millions) September 30, 2017 December 31, 2016 Assets of Discontinued Operations: Accounts receivable $ — $ 0.6 Prepaid and other current assets — 0.3 Total current assets — 0.9 Total assets $ — $ 0.9 Liabilities of Discontinued Operations: Accounts payable $ — $ 2.8 Other current liabilities — 3.2 Total current liabilities — 6.0 Total liabilities $ — $ 6.0 The following table presents the depreciation and purchases of property, plant, and equipment of discontinued operations related to the Speaker and Receiver Product Line: Nine Months Ended September 30, (in millions) 2017 2016 Depreciation $ — $ 0.8 Additions to property, plant, and equipment $ — $ 2.5 There was no amortization related to the Speaker and Receiver Product Line for the nine months ended September 30, 2017 and 2016 . There were no additions to property, plant, and equipment included in accounts payable at September 30, 2017 and 2016 .

Impairments (Notes)

Impairments (Notes)	9 Months Ended
	Sep. 30, 2017
Property, Plant and Equipment [Abstract]
Asset Impairment Charges [Text Block]	The Company evaluates long-lived assets for recoverability whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. During the second quarter of 2017, an updated strategic plan was completed for Audio segment product lines. The updated strategic plan identified a decline of future demand for a specific product line, which indicated projected future cash flows may not be sufficient to recover the carrying value of the associated unpatented technologies and property, plant, and equipment assets. The utilization of undiscounted future cash flows was used to determine recoverability of the long-lived assets. The fair value of the intangibles was determined through the use of discounted cash flows, and the fair value of fixed assets was determined using their liquidation value. As a result of this analysis, the Company concluded that the fair values of these long-lived assets were less than their respective carrying values as of June 30, 2017. The Company recorded total impairment charges of $21.3 million , of which $5.1 million is related to fixed assets and $16.2 million is related to intangible assets. The Company recorded $1.4 million of the charges within Impairment charges in Gross profit and recorded $19.9 million within the Impairment charges line item in Operating expenses within the Consolidated Statements of Earnings.

Inventories

Inventories	9 Months Ended
	Sep. 30, 2017
Inventory, Net [Abstract]
Inventories, net	The following table details the major components of inventories, net: (in millions) September 30, 2017 December 31, 2016 Raw materials $ 73.7 $ 64.1 Work in progress 28.4 18.0 Finished goods 77.9 60.9 Subtotal 180.0 143.0 Less reserves (31.7 ) (34.8 ) Total $ 148.3 $ 108.2

Property, Plant and Equipment,

Property, Plant and Equipment, net	9 Months Ended
	Sep. 30, 2017
Property, Plant and Equipment [Abstract]
Asset Impairment Charges [Text Block]	The Company evaluates long-lived assets for recoverability whenever events or changes in circumstances indicate that the carrying amount may not be recoverable. During the second quarter of 2017, an updated strategic plan was completed for Audio segment product lines. The updated strategic plan identified a decline of future demand for a specific product line, which indicated projected future cash flows may not be sufficient to recover the carrying value of the associated unpatented technologies and property, plant, and equipment assets. The utilization of undiscounted future cash flows was used to determine recoverability of the long-lived assets. The fair value of the intangibles was determined through the use of discounted cash flows, and the fair value of fixed assets was determined using their liquidation value. As a result of this analysis, the Company concluded that the fair values of these long-lived assets were less than their respective carrying values as of June 30, 2017. The Company recorded total impairment charges of $21.3 million , of which $5.1 million is related to fixed assets and $16.2 million is related to intangible assets. The Company recorded $1.4 million of the charges within Impairment charges in Gross profit and recorded $19.9 million within the Impairment charges line item in Operating expenses within the Consolidated Statements of Earnings.
Property, Plant and Equipment, net	The following table details the major components of property, plant, and equipment, net: (in millions) September 30, 2017 December 31, 2016 Land $ 9.1 $ 9.2 Buildings and improvements 121.9 112.3 Machinery, equipment, and other 512.4 464.8 Subtotal 643.4 586.3 Less accumulated depreciation (449.6 ) (400.1 ) Total $ 193.8 $ 186.2 During the nine months ended September 30, 2017, the Company recorded $5.4 million in impairment charges on fixed assets. See Note 3. Impairments for more information.

Goodwill and Other Intangible A

Goodwill and Other Intangible Assets	9 Months Ended
	Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Other Intangible Assets	The following table provides the changes in carrying value of goodwill by reportable segment for the nine months ended September 30, 2017 : (in millions) Audio Precision Devices Total Balance at December 31, 2016 $ 708.7 $ 185.9 $ 894.6 Foreign currency translation 13.3 (0.2 ) 13.1 Balance at September 30, 2017 $ 722.0 $ 185.7 $ 907.7 The gross carrying value and accumulated amortization for each major class of intangible assets are as follows: September 30, 2017 December 31, 2016 (in millions) Gross Carrying Amount Accumulated Amortization Gross Carrying Amount Accumulated Amortization Amortized intangible assets: Trademarks $ 0.3 $ 0.2 $ 0.3 $ 0.2 Patents 42.9 22.9 42.9 19.3 Customer relationships 159.5 154.3 156.2 152.8 Unpatented technologies 66.6 66.4 92.2 73.9 Other 3.1 3.1 3.1 3.1 Total 272.4 246.9 294.7 249.3 Unamortized intangible assets: Trademarks 32.0 32.0 Total intangible assets, net $ 57.5 $ 77.4 As discussed in Note 1. Basis of Presentation , the Company completed an acquisition of certain assets of a capacitors manufacturer on January 11, 2017, for cash consideration of $4.0 million . As a result of this acquisition, the Company acquired a customer list for $3.3 million during the nine months ended September 30, 2017 , which is included in "Customer relationships" in the table above. The Company is using a five year life to amortize the newly acquired customer list. Amortization expense totaled $1.7 million and $5.6 million for the three months ended September 30, 2017 and 2016 , respectively. For the nine months ended September 30, 2017 and 2016 , amortization expense was $7.0 million and $16.8 million , respectively. Amortization expense for the next five years, based on current intangible balances, is estimated to be as follows: (in millions) Q4 2017 $ 1.7 2018 6.9 2019 6.3 2020 5.3 2021 5.3 During the nine months ended September 30, 2017, the Company recorded a $16.2 million impairment charge on unpatented technologies intangible assets. See Note 3. Impairments for more information.

Restructuring and Related Activ

Restructuring and Related Activities	9 Months Ended
	Sep. 30, 2017
Restructuring and Related Activities [Abstract]
Restructuring and Related Activities	During the three and nine months ended September 30, 2017 , the Company recorded restructuring charges of $0.2 million and $3.9 million within Cost of goods sold ("COGS") for actions primarily associated with transferring certain operations of hearing health manufacturing to a lower-cost Asian manufacturing facility. The transfer is expected to be substantially completed by the end of 2017. This was recorded as part of the Audio segment. During the three and nine months ended September 30, 2017 , the Company recorded restructuring charges of $0.9 million and $4.4 million within Operating expenses, primarily for actions associated with rationalizing the research and development workforce. During the three months ended September 30, 2017 , charges of $0.5 million were recorded for the Corporate segment and charges of $0.4 million were recorded for the Audio segment. During the nine months ended September 30, 2017 , charges of $2.1 million were recorded for the Audio segment, charges of $2.0 million were recorded for the Corporate segment, and charges of $0.3 million were recorded for the PD segment. During the three months ended September 30, 2016 , the Company recorded restructuring charges of $2.1 million within operating expenses, primarily for actions associated with rationalizing the selling and administrative workforce. During the nine months ended September 30, 2016 , the Company recorded restructuring charges of $10.7 million , comprised primarily of the restructuring actions associated with the integration of Audience, Inc. The remaining charges primarily relate to actions associated with rationalizing the selling and administrative workforce and the residual expenses for the continued transfer of our capacitors business into lower-cost Asian manufacturing facilities. Total restructuring charges of $1.4 million were classified as COGS and $9.3 million were classified as Operating expenses. The following table details restructuring charges incurred by reportable segment for the periods presented: Three Months Ended September 30, Nine Months Ended September 30, (in millions) 2017 2016 2017 2016 Audio (1) $ 0.6 $ 1.0 $ 6.0 $ 7.1 Precision Devices — — 0.3 2.1 Corporate 0.5 1.1 2.0 1.5 Total $ 1.1 $ 2.1 $ 8.3 $ 10.7 The following table details the Company’s severance and other restructuring accrual activity: (in millions) Severance Pay and Benefits Contract Termination and Other Costs Total Balance at December 31, 2016 $ 3.4 $ 0.4 $ 3.8 Restructuring charges (1) 6.5 1.8 8.3 Payments (4.8 ) (1.8 ) (6.6 ) Balance at September 30, 2017 $ 5.1 $ 0.4 $ 5.5 (1) During the nine months ended September 30, 2017 , the Company reversed $0.9 million of previously recorded restructuring charges in COGS due to subsequent developments that impacted the previously estimated amounts. The severance and restructuring accruals are recorded in the following accounts on the Consolidated Balance Sheets: (in millions) September 30, 2017 December 31, 2016 Other accrued expenses $ 5.2 $ 3.6 Other liabilities 0.3 0.2 Total $ 5.5 $ 3.8

Hedging Transaction and Derivat

Hedging Transaction and Derivative Instruments	9 Months Ended
	Sep. 30, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Hedging Transaction and Derivative Instruments	The Company is affected by changes in certain market conditions. These changes in market conditions may adversely impact the Company’s financial performance and are referred to as "market risks." The Company uses derivatives as a risk management tool to mitigate the potential impact of certain market risks, which are primarily foreign currency risk and interest rate risk related to ongoing business operations. Cash Flow Hedging The Company uses cash flow hedges to minimize the variability in cash flows of assets, liabilities, or forecasted transactions caused by fluctuations in foreign currency exchange rates or market interest rates. These derivatives, which are designated cash flow hedges, are carried at fair value. The changes in their fair values are recorded to Accumulated Other Comprehensive Income (Loss) ("AOCI") and reclassified in current earnings when the hedge contract matures or becomes ineffective. To manage its exposure to foreign currency exchange rates, the Company has entered into currency deliverable forward contracts. These derivative instruments allow the Company to hedge portions of its forecasted sales and purchases, which are expected to occur within the next twelve months and are denominated in non-functional currencies. The Company maintains a foreign currency cash flow hedging program to primarily reduce the risk that the net U.S. dollar cash inflows from non-U.S. dollar sales and non-U.S. dollar net cash outflows from procurement activities will be adversely affected by changes in foreign currency exchange rates. At September 30, 2017 and December 31, 2016 , the notional value of the derivatives related to currency forward contracts, principally the Chinese yuan, Malaysian ringgit, and Philippine peso, was $26.5 million and $75.4 million , respectively. To manage its exposure to market risk for changes in interest rates, the Company entered into an interest rate swap on November 12, 2014 to convert variable interest rate payments into a fixed rate on a notional amount of $100.0 million of debt for monthly interest payments that began in January 2016 and ends in July 2018. The Company designated the swap as a cash flow hedge with re-measurement gains and losses recorded through AOCI. Economic (Non-Designated) Hedging In addition to derivative instruments that are designated and qualify for hedge accounting, the Company also uses certain derivatives as economic hedges of foreign currency risk. Although these derivatives were not designated and/or did not qualify for hedge accounting, they are effectively economic hedges. The changes in fair value of these economic hedges are immediately recognized in earnings. The Company uses foreign currency economic hedges to offset the earnings impact that fluctuations in foreign currency exchange rates have on certain monetary assets and liabilities denominated in non-functional currencies. The Company does not enter into these hedges for speculative reasons. These derivatives are carried at fair value with changes in the fair value recorded in "Other expense (income), net" in our Consolidated Statements of Earnings. In addition, these derivative instruments minimize the impact of exchange rate movements on the Company’s balance sheet, as the gains or losses on these derivatives are intended to offset gains and losses from the reduction of the hedged assets and liabilities. At September 30, 2017 , the notional value of the derivatives related to economic hedging was $25.2 million and the Company held no open positions related to economic hedges at December 31, 2016 . The notional amounts of the derivative financial instruments do not necessarily represent amounts exchanged by the parties and, therefore, are not a direct measure of our exposure to the financial risks described above. The amounts exchanged are calculated by reference to the notional amounts and by other terms of the derivatives, such as interest rates, foreign currency exchange rates, or other financial indices. The Company does not view the fair values of its derivatives in isolation, but rather in relation to the fair values or cash flows of the underlying hedged transactions or other exposures. Virtually all of our derivatives are straightforward over-the-counter instruments with liquid markets. Fair Value Measurements All derivatives are carried at fair value on the Company’s Consolidated Balance Sheets. ASC 820, Fair Value Measurement, establishes a fair value hierarchy that requires the Company to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. A financial instrument’s categorization within the hierarchy is based on the lowest level of input that is significant to the fair value measurement. ASC 820 establishes three levels of inputs that may be used to measure fair value as follows: Level 1 - Quoted prices (unadjusted) in active markets for identical assets or liabilities. Level 2 - Observable inputs other than quoted prices included in Level 1, such as quoted prices in active markets for similar assets and liabilities, quoted prices for identical or similar assets or liabilities in markets that are not active, or other inputs that are observable or can be corroborated by observable market data for substantially the full term of assets or liabilities. Level 3 - Unobservable inputs for which little or no market data exists, therefore requiring an entity to develop its own assumptions. The Company determines the fair values of its derivatives based on standard valuation models or observable market inputs such as quoted market prices, foreign currency exchange rates, or interest rates and therefore, the Company classifies the derivatives within Level 2 of the valuation hierarchy. The following table sets forth the fair values of derivative instruments held by the Company at September 30, 2017 and December 31, 2016 and the balance sheet lines to which they are recorded (in millions): Hedge Type Balance Sheet Line Item September 30, 2017 December 31, 2016 Cash flow hedges Prepaid and other current assets $ 0.8 $ — Cash flow hedges Other accrued expenses 0.4 3.6 Cash flow hedges Other liabilities — 0.2 Economic hedges Other accrued expenses 0.1 — Accounting for derivatives requires that derivative instruments be recognized as either assets or liabilities at fair value. However, accounting for the gains and losses resulting from changes in fair value depends upon the use of the derivative and whether it is considered designated and qualified for hedge accounting. For non-designated foreign currency economic hedge derivative contracts, for which the Company does not apply hedge accounting, the changes in fair value of the derivative instrument are immediately recognized in earnings within Other expense (income), net. For currency forward contracts and interest rate swaps, which are designated as cash flow hedge derivatives and for which the Company applies hedge accounting guidance, the fair value of the effective portion of these hedges is recorded within AOCI and reclassified and recognized in current earnings when the hedge contract matures or is determined to be ineffective. As a result, the Company has recorded gains of $0.5 million and losses of $3.2 million to AOCI on the Company’s Consolidated Balance Sheets as of September 30, 2017 and December 31, 2016 , respectively. For economic hedges, for which the Company does not apply hedge accounting, the following (gains) losses were recorded for the three and nine months ended September 30, 2017 and 2016 : (in millions) Three Months Ended September 30, Nine Months Ended September 30, Hedge Type Statement of Earnings Line 2017 2016 2017 2016 Economic hedges Other expense (income), net $ (0.5 ) $ 0.5 $ (1.4 ) $ 0.5 The following table presents the pre-tax impact of changes in the fair values of the designated derivatives, which qualify for hedge accounting during the three and nine months ended September 30, 2017 and 2016 . Knowles reclassified these (gains) losses out of AOCI into Other expense (income), net as follows: (in millions) Three Months Ended September 30, Nine Months Ended September 30, Hedge Type Statement of Earnings Line 2017 2016 2017 2016 Cash flow hedges Other expense (income), net $ (0.4 ) $ 0.1 $ 1.3 $ (0.1 )

Borrowings

Borrowings	9 Months Ended
	Sep. 30, 2017
Debt Disclosure [Abstract]
Borrowings	Borrowings (net of debt issuance costs, debt discount, and amortization) consist of the following: (in millions) September 30, 2017 December 31, 2016 3.25% Convertible Senior Notes $ 140.2 $ 135.1 Term loan and revolving credit facility 171.0 163.1 Total 311.2 298.2 Less: current maturities 13.3 9.7 Total long-term debt $ 297.9 $ 288.5 On October 11, 2017, the Company entered into a Revolving Credit Facility Agreement. See Note 17. Subsequent Events for additional information. Total debt principal payments over the next five years are as follows: (in millions) Q4 2017 2018 2019 2020 2021 Debt principal payments (1) $ 3.6 $ 14.4 $ 153.3 $ — $ 172.5 (1) There are no required principal payments due under the 3.25% Convertible Senior Notes or the revolving credit facility until maturities in November 2021 and January 2019, respectively. 3.25% Convertible Senior Notes Due November 1, 2021 In May 2016, the Company issued $172.5 million aggregate principal amount of 3.25% convertible senior notes due November 1, 2021 ("the Notes"), unless earlier repurchased by the Company or converted pursuant to their terms. Interest is payable semiannually in arrears on May 1 and November 1 each year and commenced on November 1, 2016. The Notes are governed by an Indenture (the "Indenture") between the Company, as issuer, and U.S. Bank National Association as trustee. Upon conversion, the Company will pay or deliver cash, shares of the Company's common stock or a combination of cash and shares of common stock, at the Company's election. The initial conversion rate is 54.2741 shares of common stock per $1,000 principal amount of Notes. The initial conversion price is $18.4250 per share of common stock. The conversion rate will be subject to adjustment upon the occurrence of certain specified events but will not be adjusted for accrued and unpaid interest. In addition, upon the occurrence of a make-whole fundamental change (as defined in the Indenture), the Company may be required, in certain circumstances, to increase the conversion rate by a number of additional shares for a holder that elects to convert its Notes in connection with such make-whole fundamental change. Prior to the close of business on the business day immediately preceding August 1, 2021, the Notes will be convertible only under the following circumstances: = during any calendar quarter and only during such calendar quarters, if the last reported sale price of the Company’s common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day; = during the five business day period after any 10 consecutive trading day period (the “measurement period”) in which the trading price per $1,000 principal amount of Notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price of the Company’s common stock and the conversion rate on each such trading day; or = upon the occurrence of specified corporate events. On or after August 1, 2021 until the close of business on the second scheduled trading day immediately preceding the maturity date, holders may convert all or any portion of their Notes, in multiples of $1,000 principal amount, at the option of the holder regardless of the foregoing circumstances. A s of September 30, 2017 , no event has occurred that would permit the conversion of the Notes. The Notes are the Company’s senior unsecured obligations. In accounting for the issuance of the Notes, the Company separated the Notes into liability and equity components. The carrying amount of the liability component was calculated by measuring the fair value of a similar liability that does not have an associated convertible feature. The carrying amount of the equity component representing the conversion option was determined by deducting the fair value of the liability component from the face value of the Notes as a whole. The excess of the principal amount of the liability component over its carrying amount is amortized to interest expense over the term of the Notes. The equity component is not remeasured as long as it continues to meet the conditions for equity classification. In accounting for the transaction costs related to the Notes issuance, the Company allocated the total amount incurred to the liability and equity components based on their relative values. Issuance costs attributable to the liability component, totaling $5.0 million , are being amortized to interest expense over the term of the Notes, and issuance costs attributable to the equity component, totaling $1.3 million , were netted with the equity component in stockholders' equity. Additionally, the Company recorded a deferred tax asset of $0.5 million on a portion of the equity component transaction costs which are deductible for tax purposes and immediately recorded a valuation allowance against this deferred tax asset. The Notes consist of the following: (in millions) September 30, 2017 December 31, 2016 Liability component: Principal $ 172.5 $ 172.5 Less: debt issuance costs and debt discount, net of amortization (32.3 ) (37.4 ) Total 140.2 135.1 Less: current maturities (1) (0.9 ) (0.9 ) Long-term portion $ 141.1 $ 136.0 Equity component (2) $ 29.9 $ 29.9 (1) No short-term principal with $0.9 million of short-term debt issuance costs. (2) Recorded in the Consolidated Balance Sheets within additional paid-in capital, inclusive of the $1.3 million of issuance costs in equity. The total estimated fair value of the Notes at September 30, 2017 was $194.7 million . The fair value was determined based on the closing trading price per $100 of the Notes as of the last trading day for the third quarter of 2017 . The following table sets forth total interest expense recognized related to the Notes: Three Months Ended September 30, Nine Months Ended September 30, (in millions) 2017 2016 2017 2016 3.25% coupon $ 1.4 $ 1.4 $ 4.2 $ 2.4 Amortization of debt issuance costs 0.3 0.3 0.7 0.4 Amortization of debt discount 1.4 1.4 4.3 2.3 Total $ 3.1 $ 3.1 $ 9.2 $ 5.1 Note Hedges To minimize the impact of potential economic dilution upon conversion of the Notes, the Company entered into convertible note hedge transactions (the “Note Hedges”) with respect to its common stock. In the second quarter of 2016, the Company paid an aggregate amount of $44.5 million for the Note Hedges. The Note Hedges will expire upon maturity of the Notes. The Note Hedges are intended to offset the potential dilution upon conversion of the Notes and/or offset any cash payments the Company is required to make in excess of the principal amount upon conversion of the Notes in the event that the market value per share of the Company's common stock, as measured under the Note Hedges, is greater than the strike price of the Note Hedges, which initially corresponds to the initial conversion price of the Notes and is subject to anti-dilution adjustments substantially similar to those applicable to the conversion rate of the Notes. The Note Hedges are separate transactions entered into by the Company, and are not part of the Notes or the Warrants, and have been accounted for as part of additional paid-in capital. Holders of the Notes do not have any rights with respect to the Note Hedges. Warrants In addition to the Note Hedges, in the second quarter of 2016, the Company entered into warrant transactions, whereby the Company sold warrants to acquire shares of the Company's common stock at a strike price of $21.1050 per share (the “Warrants”). The Company received aggregate proceeds of $39.1 million from the sale of the Warrants. If the market price per share of the Company's common stock for the reporting period, as measured under the Warrants, exceeds the strike price of the Warrants, the Warrants could have a dilutive effect on the Company's common stock, unless the Company elects, subject to certain conditions, to settle the Warrants in cash. The Warrants are separate transactions entered into by the Company, and are not part of the Notes or the Note Hedges, and have been accounted for as part of additional paid-in capital. Holders of the Notes and Note Hedges do not have any rights with respect to the Warrants. Term Loan and Revolving Credit Facility Term loan and revolving credit facility borrowings consist of the following: (in millions) September 30, 2017 December 31, 2016 Term loan due January 2019 $ 111.3 $ 118.5 $300.0 million revolving credit facility due January 2019 60.0 45.0 Less: debt issuance costs, net of amortization (0.3 ) (0.4 ) Total 171.0 163.1 Less: current maturities (1) 14.2 10.6 Long-term portion $ 156.8 $ 152.5 (1) Inclusive of $0.2 million of short-term debt issuance costs. The $300.0 million five -year senior secured revolving credit facility, as well as a five -year senior secured term loan facility, which are referred to collectively as the "Credit Facilities," includes requirements, to be tested quarterly, that the Company maintains (i) a minimum ratio of Consolidated EBITDA to consolidated interest expense of 3.25 to 1.0 (the "Interest Coverage Ratio"), (ii) a maximum ratio of consolidated total indebtedness to Consolidated EBITDA of 3.75 to 1.0 (the "Leverage Ratio"), and (iii) a maximum ratio of senior secured indebtedness to Consolidated EBITDA of 3.25 to 1.0 (the "Senior Secured Leverage Ratio"). For these ratios, Consolidated EBITDA and consolidated interest expense are calculated using the most recent four consecutive fiscal quarters in a manner defined in the credit agreement governing the Credit Facilities. At September 30, 2017 , the Company was in compliance with these covenants and expects to remain in compliance with all of its debt covenants over the next twelve months. The interest rate under the Credit Facilities is variable based on LIBOR at the time of the borrowing and the Company's leverage as measured by a total indebtedness to Consolidated EBITDA ratio. Based upon the Company's total indebtedness to Consolidated EBITDA ratio, the Company's borrowing rate could range from LIBOR + 1.25% to LIBOR + 2.25% . In addition, a commitment fee accrues on the average daily unused portion of the revolving facility at a rate of 0.2% to 0.4% . The weighted-average interest rate on the Company's borrowings under the Credit Facilities includes interest expense related to the monthly interest rate swap settlements and was 3.68% and 2.71% for the nine months ended September 30, 2017 and 2016 , respectively. The weighted-average commitment fee on the revolving line of credit was 0.37% and 0.40% for the nine months ended September 30, 2017 and 2016 , respectively. For supplemental cash flow purposes, cash paid for interest was $7.3 million and $7.6 million for the nine months ended September 30, 2017 and 2016 , respectively. See Note 8. Hedging Transactions and Derivative Instruments for information on derivatives used to manage interest rate risk.

Income Taxes

Income Taxes	9 Months Ended
	Sep. 30, 2017
Income Tax Disclosure [Abstract]
Income Taxes	Income taxes for the interim periods presented have been included in the accompanying Consolidated Financial Statements on the basis of an estimated annual effective tax rate ("ETR"). The determination of the consolidated provision for income taxes requires management to make certain judgments and estimates. Changes in the estimated level of annual pre-tax earnings or loss, tax laws, and changes resulting from tax audits can affect the overall ETR, which impacts the level of income tax expense and net income or loss. Judgments and estimates related to the Company’s projections and assumptions are inherently uncertain and therefore, actual results could differ materially from projections. The year-to-date ETR deviates from the statutory U.S. federal income tax rate, mainly due to the taxing jurisdictions in which the Company and its foreign subsidiaries generate taxable income or loss, the favorable impact of its significant tax holiday in Malaysia, and judgments as to the realizability of the Company’s deferred tax assets. The Company's ETR from continuing operations for the three and nine months ended September 30, 2017 was a 2.5% provision and a 62.0% provision , respectively. During the three and nine months ended September 30, 2017 , the ETR from continuing operations was impacted by discrete items totaling $3.5 million of benefit and $1.4 million of benefit , respectively. The Company recorded a $3.8 million benefit during the third quarter as a result of settling its German tax exam, which is partially offset by $2.9 million of expense recognized during the second quarter upon settlement of its 2013 pre-spin U.S. income tax exam. Absent the discrete items, the ETR from continuing operations for the three and nine months ended September 30, 2017 was a 24.7% provision and a 73.6% provision , respectively. The Company's ETR from continuing operations for the three and nine months ended September 30, 2016 was nil and a 70.4% provision , respectively. During the three and nine months ended September 30, 2016 , the ETR from continuing operations was impacted by discrete items totaling $4.4 million of benefit and $3.4 million of benefit , respectively. The $3.4 million of benefit for the nine months ended September 30, 2016 is primarily related to a $4.7 million discrete tax benefit in our Malaysian subsidiary resulting from the recognition of deferred tax assets due to the Company's anticipation that, on January 1, 2017, it would not satisfy all of the conditions of one of its Malaysian tax holidays as a result of the sale of our Speaker and Receiver Product Line. Absent discrete items, the ETR from continuing operations for the three and nine months ended September 30, 2016 was a 21.1% provision and an 133.3% provision , respectively. The changes in ETR, excluding discrete items, were due to the mix of earnings and losses by taxing jurisdictions. The ETR is favorably impacted by two tax holidays granted to the Company in Malaysia effective through December 31, 2021. These tax holidays are subject to the Company's satisfaction of certain conditions, including investment and sales thresholds. If the Company fails to satisfy such conditions, the Company's ETR may be significantly adversely impacted. The continuing operations benefit of our tax holidays in Malaysia for the three and nine months ended September 30, 2017 was approximately $7.8 million and $11.9 million , respectively. The continuing operations benefit of the tax holidays on a per share basis for the three and nine months ended September 30, 2017 is $0.09 and $0.13 per share, respectively. The continuing operations benefit of these incentives for the three and nine months ended September 30, 2016 was approximately $12.0 million and $18.2 million , respectively, of which $4.7 million relates to the discrete tax impact of recognizing deferred tax assets during the period. The continuing operations benefit of the tax holidays on a per share basis for the three and nine months ended September 30, 2016 was $0.14 and $0.21 per share, respectively, of which $0.05 per share relates to the discrete tax impact of recognizing deferred tax assets during the period.

Equity Incentive Program

Equity Incentive Program	9 Months Ended
	Sep. 30, 2017
Share-based Compensation [Abstract]
Equity Incentive Program	Stock-based compensation expense recognized in the Consolidated Statements of Earnings totaled $6.2 million and $5.2 million for the three months ended September 30, 2017 and 2016 , respectively. For the nine months ended September 30, 2017 and 2016 , stock-based compensation expense was $18.6 million and $16.2 million , respectively. Stock Option s The expense related to stock options granted in the nine months ended September 30, 2017 and 2016 was estimated on the date of grant using a Black-Scholes option-pricing model based on the assumptions shown in the table below. Nine Months Ended September 30, 2017 2016 Risk-free interest rate 1.73% to 1.93% 1.04% to 1.12% Dividend yield —% —% Expected life (years) 4.5 4.5 Volatility 38.1% to 38.8% 37.0% to 39.6% Fair value at date of grant $6.07 to $6.73 $3.76 to $4.27 The following table summarizes the Company's stock-settled stock appreciation right ("SSAR") and stock option activity for the nine months ended September 30, 2017 (in millions, except share and per share amounts). SSARs Stock Options Number of Shares Weighted-Average Exercise Price Aggregate Intrinsic Value Weighted-Average Remaining Contractual Term (Years) Number of Shares Weighted-Average Exercise Price Aggregate Intrinsic Value Weighted-Average Remaining Contractual Term (Years) Outstanding at December 31, 2016 898,718 $ 21.25 4,684,117 $ 18.03 Granted — — 787,010 19.17 Exercised (31,665 ) 12.33 (226,368 ) 14.36 Forfeited — — (273,050 ) 15.49 Expired (16,537 ) 23.20 (77,166 ) 25.33 Outstanding at September 30, 2017 850,516 $ 21.54 $ 0.2 4.3 4,894,543 $ 18.38 $ 6.8 5.0 Exercisable at September 30, 2017 850,516 $ 21.54 $ 0.2 4.3 2,230,395 $ 20.54 $ 2.1 4.4 There was no unrecognized compensation expense related to SSARs at September 30, 2017 . At September 30, 2017 , unrecognized compensation expense related to stock options not yet exercisable was $9.3 million and is expected to be recognized over a weighted-average period of 1.2 years. RSUs The following table summarizes the Company's restricted stock unit ("RSU") balances for the nine months ended September 30, 2017 . Share units Weighted-average grant date fair value Unvested at December 31, 2016 2,074,998 $ 14.94 Granted 1,305,818 18.67 Vested (788,168 ) 16.13 Forfeited (369,542 ) 15.72 Unvested at September 30, 2017 2,223,106 $ 16.55 At September 30, 2017 , $26.9 million of unrecognized compensation expense related to RSUs is expected to be recognized over a weighted-average period of 1.4 years. PSUs In February 2017, the Company granted performance stock units ("PSUs") to senior management. The PSUs are awards that are subject to both performance and market conditions and provide the recipient with Knowles stock upon vesting. The awards vest three years subsequent to the initial grant date. The performance condition of the award is based on the Company's financial performance while the award's market condition relates to the Company's stock performance. Given the conditional nature of the PSU awards, the recipients can receive an award of the Company's common stock that can range from 0% to 225% of the initial grant value and is based on the level of achievement of the specified conditions. The Company will ratably recognize the expense over the requisite service period of the PSU and adjust the expense as appropriate. The fair value of the PSUs is determined by using a binomial model simulation. The following table summarizes the Company's PSU balances for the nine months ended September 30, 2017 . Share units Weighted-average grant date fair value Unvested at December 31, 2016 — $ — Granted 176,000 15.32 Vested — — Forfeited — — Unvested at September 30, 2017 176,000 $ 15.32 At September 30, 2017 , $2.2 million of unrecognized compensation expense related to PSUs is expected to be recognized over a weighted-average period of 2.4 years.

Earnings per Share

Earnings per Share	9 Months Ended
	Sep. 30, 2017
Earnings Per Share [Abstract]
Earnings per Share	Basic and diluted earnings per share were computed as follows: Three Months Ended September 30, Nine Months Ended September 30, (in millions, except share and per share amounts) 2017 2016 2017 2016 Earnings (loss) from continuing operations $ 15.4 $ 20.9 $ (19.6 ) $ 1.6 Earnings (loss) from discontinued operations, net 0.3 (28.5 ) 2.4 (63.2 ) Net earnings (loss) $ 15.7 $ (7.6 ) $ (17.2 ) $ (61.6 ) Basic earnings (loss) per common share: Earnings (loss) from continuing operations $ 0.17 $ 0.24 $ (0.22 ) $ 0.02 Earnings (loss) from discontinued operations, net 0.01 (0.32 ) 0.03 (0.71 ) Net earnings (loss) per share $ 0.18 $ (0.08 ) $ (0.19 ) $ (0.69 ) Weighted-average shares outstanding 89,469,996 88,720,888 89,270,103 88,637,001 Diluted earnings (loss) per common share: Earnings (loss) from continuing operations $ 0.17 $ 0.24 $ (0.22 ) $ 0.02 Earnings (loss) from discontinued operations, net — (0.32 ) 0.03 (0.71 ) Net earnings (loss) per share $ 0.17 $ (0.08 ) $ (0.19 ) $ (0.69 ) Weighted-average shares outstanding 90,373,112 89,317,806 89,270,103 88,997,050 For the three and nine months ended September 30, 2017 , the weighted-average number of anti-dilutive potential common shares excluded from the earnings per share calculation above was 4,092,338 and 5,067,013 , respectively. For the three and nine months ended September 30, 2016 , the weighted-average number of anti-dilutive potential common shares excluded from the earnings per share calculation above was 5,227,427 and 5,449,342 , respectively.

Commitments and Contingent Liab

Commitments and Contingent Liabilities	9 Months Ended
	Sep. 30, 2017
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingent Liabilities	From time to time, the Company is involved in various legal proceedings and claims arising in the ordinary course of its business, including those related to intellectual property, which may be owned by it or others. The Company owns many patents covering products, technology, and manufacturing processes. Some of these patents have been and may continue to be challenged by others. In appropriate cases, the Company has taken and will take steps to protect and defend its patents and other intellectual property, including through the use of legal proceedings in various jurisdictions around the world. Such steps have resulted in and may continue to result in retaliatory legal proceedings, including litigation or other legal proceedings in various jurisdictions and forums around the world alleging infringement by the Company of patents owned by others. The costs of investigations and legal proceedings, particularly multi-forum litigation, relating to the enforcement and defense of the Company’s intellectual property, may be substantial. Additionally, in multi-forum disputes, the Company may incur adverse judgments with regard to certain claims in certain jurisdictions and forums while still contesting other related claims against the same opposing party in other jurisdictions and forums. Although the ultimate outcome of any legal proceeding or claim cannot be predicted with certainty, based on present information, including management’s assessment of the merits of the particular claim, the Company does not expect that any asserted or unasserted legal proceedings or claims, individually or in the aggregate, will have a material adverse effect on its cash flow, results of operations, or financial condition. Intellectual Property Infringement Claims The Company may, on a limited customer specific basis, provide contractual indemnities for certain losses that arise out of claims that its products infringe on the intellectual property of others. Historically, the Company has not made significant payments under such indemnity arrangements. The Company’s legal accruals were not significant at September 30, 2017 and December 31, 2016 .

Segment Information

Segment Information	9 Months Ended
	Sep. 30, 2017
Segment Reporting [Abstract]
Segment Information	Information regarding the Company's reportable segments is as follows: Three Months Ended September 30, Nine Months Ended September 30, (in millions) 2017 2016 2017 2016 Revenues: Audio $ 167.8 $ 193.4 $ 450.1 $ 471.6 Precision Devices 53.9 49.7 155.5 147.1 Total consolidated revenues $ 221.7 $ 243.1 $ 605.6 $ 618.7 Earnings from continuing operations before interest and income taxes: Audio $ 28.1 $ 36.5 $ 29.9 $ 50.6 Precision Devices 6.6 5.3 18.0 10.3 Total segments 34.7 41.8 47.9 60.9 Corporate expense / other 13.8 15.3 44.6 40.4 Interest expense, net 5.1 5.6 15.4 15.1 Earnings (loss) before income taxes and discontinued operations 15.8 20.9 (12.1 ) 5.4 Provision for income taxes 0.4 — 7.5 3.8 Earnings (loss) from continuing operations $ 15.4 $ 20.9 $ (19.6 ) $ 1.6 Information regarding assets of the Company's reportable segments: Total Assets (in millions) September 30, 2017 December 31, 2016 Audio $ 1,370.9 $ 1,349.1 Precision Devices 180.1 162.9 Corporate / eliminations 2.9 2.1 Discontinued operations — 0.9 Total $ 1,553.9 $ 1,515.0

Recent Accounting Standards

Recent Accounting Standards	9 Months Ended
	Sep. 30, 2017
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
Recent Accounting Standards	Recently Issued Accounting Standards In August 2017, the Financial Accounting Standards Board ("FASB") issued ASU 2017-12 with the objective of improving the financial reporting of hedging relationships to better portray the economic results of an entity’s risk management activities in its financial statements and simplify the application of hedge accounting guidance. The standard is effective for public business entities for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. The standard requires adoption on a modified retrospective basis for hedging relationships existing as of the adoption date and on a prospective basis for the amended presentation and disclosure requirements. Early adoption is permitted. The Company has not yet determined the effect of the standard on its ongoing financial reporting and plans to adopt this standard on January 1, 2019. In May 2017, the FASB issued ASU 2017-09 that provides guidance about when a change to the terms or conditions of a share-based payment award must be accounted for as a modification. The new guidance requires modification accounting if the fair value, vesting condition or the classification of the award is not the same immediately before and after a change to the terms and conditions of the award. This standard is effective for public business entities for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years. The standard requires adoption on a prospective basis for awards modified on or after the adoption date. Early adoption is permitted. The Company does not expect the adoption of this standard to have a significant impact on its Consolidated Financial Statements. The Company plans to adopt this standard on January 1, 2018. In March 2017, the FASB issued ASU 2017-07 primarily to improve the presentation of net periodic pension and post-retirement benefit cost. The new guidance requires that an employer report the service cost component in the same line item or items as other compensation costs arising from services rendered by the pertinent employees during the period. The other components of net benefit cost are required to be presented in the statement of earnings separately from the service cost component and outside of any subtotal of operating income. This standard is effective for public business entities for annual periods or any interim periods beginning after December 15, 2017. The standard requires adoption on a retrospective basis for the presentation of net benefit cost components. Early adoption is permitted. The Company does not expect the new guidance to have a significant impact on its Consolidated Financial Statements and plans to adopt this standard on January 1, 2018. In January 2017, the FASB issued ASU 2017-01, which requires a reporting entity to clarify the definition of a business with the objective of adding guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or liabilities. This standard is effective for public business entities for annual periods beginning after December 15, 2017, including interim periods within those periods. Early adoption is permitted under specific circumstances and prospective application of the guidance is required. The standard will not have a significant impact upon adoption on January 1, 2018. In August 2016, the FASB issued ASU 2016-15 with the objective of reducing the existing diversity in practice in how certain cash receipts and cash payments are presented and classified in the statement of cash flows. The new guidance requires evaluation of cash receipts and payments on the basis of the nature of the underlying cash flows and provides clarity for categorization for specific transactions. This standard is effective for public business entities for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years. The standard requires adoption on a retrospective basis. Early adoption is permitted. The standard will not have a significant impact upon adoption on January 1, 2018. In February 2016, the FASB issued ASU 2016-02, which requires a lessee to recognize a lease liability and asset for all leases, including operating leases, with a term greater than 12 months on its balance sheet. The standard requires a modified retrospective transition method for all entities. This ASU also provides clarification surrounding the presentation of the effects of the leases in the statement of earnings and statement of cash flows. This standard is effective for public business entities for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted. The Company has not yet determined the effect of the standard on its ongoing financial reporting and plans to adopt this standard on January 1, 2019. In January 2016, the FASB issued ASU 2016-01, which requires a company to present separately in other comprehensive income, the portion of the total change in the fair value of a liability resulting from a change in the instrument-specific credit risk if the entity has elected to measure the liability at fair value in accordance with the fair value option for financial instruments. This standard is effective for public business entities for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years. The standard requires adoption on a modified retrospective basis. Early adoption is permitted. The standard will not have a significant impact upon adoption on January 1, 2018. In May 2014, the FASB issued ASU 2014-09 and issued subsequent amendments to the initial guidance in August 2015, March 2016, April 2016, May 2016 and December 2016 within ASU 2015-14, ASU 2016-08, ASU 2016-10, ASU 2016-12 and ASU 2016-20, respectively. The core principal of the guidance is to provide a comprehensive new revenue recognition model that requires a company to recognize revenue to depict the transfer of goods or services to a customer at an amount that reflects the consideration it expects to receive in exchange for those goods or services. The guidance also requires additional disclosure about the nature, amount, timing, and uncertainty of revenue and cash flows arising from customer contracts. The standard is effective for annual and interim periods beginning after December 15, 2017, which will require the Company to adopt these provisions in the first quarter of fiscal year 2018. This update permits the use of either the retrospective or modified retrospective (cumulative effect) transition method. ASU 2016-12, issued in May 2016, removes the requirement to disclose the effect of the accounting change in the period of adoption, but still requires the Company to disclose the effect of the changes on any prior periods retrospectively adjusted. The status of the Company’s implementation process is summarized below: • The Company employed a cross-functional approach in assessing the potential impacts of the standard. • The Company determined the key factors from the five-step model for recognizing revenue under the new standard that may be applicable to the business units that comprise the Company’s reportable segments. • Review of the Company’s contract portfolio, which focused on contracts with significant customers, was completed prior to the filing date of this Quarterly Report on Form 10-Q. • Evaluations of contract provisions and a comparison of historical accounting policies to the requirements of the new standard are in process. • The Company is also in the process of evaluating new disclosure requirements, as well as identifying and implementing appropriate changes to its business processes and controls to support recognition and disclosure under the new guidance. The Company will adopt this new guidance on January 1, 2018 using the modified retrospective method, which will result in a cumulative effect adjustment as of the date of adoption. Our work to date indicates that the Company expects to recognize revenue at a point in time, which will result in revenue recognition timing that is materially consistent with our historical practice of recognizing revenue when title and risk of loss pass to the customer. We are currently in the process of determining the expected quantitative impact that the adoption of the new standard will have on our Consolidated Financial Statements. Recently Adopted Accounting Standards In January 2017, the FASB issued ASU 2017-04, which simplifies an entity's measurement of goodwill for impairment testing purposes by eliminating the requirement to perform a hypothetical purchase price allocation. A goodwill impairment charge will now be recognized for the amount by which the carrying value of a reporting unit exceeds its fair value, not to exceed the carrying amount of goodwill. This standard is effective for public business entities for annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. The Company adopted this guidance prospectively on January 1, 2017. The Company's adoption of this standard did not have a significant impact on its Consolidated Financial Statements. In October 2016, the FASB issued ASU 2016-16, which requires the recognition of the income tax consequences of an intra-entity transfer of an asset, other than inventory, when the transfer occurs. This standard is effective for public business entities for annual periods beginning after December 15, 2018, and interim periods within annual periods beginning after December 15, 2019. Early adoption is permitted. The Company adopted this guidance on a modified retrospective basis effective January 1, 2017. The Company's adoption of this standard did not have a significant impact on its Consolidated Financial Statements. Refer to Note 1. Basis of Presentation for further details. In March 2016, the FASB issued ASU 2016-09. The updated guidance changes how companies account for certain aspects of share-based payment awards to employees, including the accounting for income taxes, forfeitures, and statutory tax withholding requirements, as well as the classification of related matters in the statement of cash flows. This standard is effective for public business entities for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. Early adoption is permitted. The Company adopted this guidance effective January 1, 2017. The Company's adoption of this standard did not have a significant impact on its Consolidated Financial Statements. In July 2015, the FASB issued ASU 2015-11, a final standard that simplifies the subsequent measurement of inventory by replacing the lower of cost or market test under current U.S. GAAP. Under the previous guidance, the subsequent measurement of inventory was measured at the lower of cost or market, where “market” may have multiple possible outcomes. The new guidance requires subsequent measurement of inventory at the lower of cost or net realizable value. Net realizable value is the estimated selling price in the ordinary course of business, less reasonably predictable costs to sell (completion, disposal, and transportation). This standard is effective for public business entities for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. Early adoption is permitted. The Company adopted this guidance prospectively effective January 1, 2017. The Company's adoption of this standard did not have a significant impact on its Consolidated Financial Statements. Certain amounts in prior years have been reclassified to conform to the current year presentation as a result of recently adopted accounting standards as described in Note 1. Basis of Presentation .

Subsequent Events Subsequent Ev

Subsequent Events Subsequent Events	9 Months Ended
	Sep. 30, 2017
Subsequent Events [Abstract]
Subsequent Events	17. Subsequent Events Debt Refinancing On October 11, 2017, Knowles entered into a Revolving Credit Facility Agreement (the "New Credit Facility"). The New Credit Facility provides for a five-year senior secured revolving credit facility providing for borrowings in an aggregate principal amount at any time outstanding not to exceed $400.0 million . Up to $100.0 million of the New Credit Facility will be available in Euro, Sterling, and other currencies requested by the Company and agreed to by each Lender and up to $50.0 million of the New Credit Facility will be made available in the form of letters of credit denominated in other approved currencies. The New Credit Facility serves as refinancing of indebtedness under and terminates the Company's Amended and Restated Credit Agreement dated as of January 27, 2014, as amended and restated as of December 31, 2014 and supplemented from time to time. At any time during the term of the New Credit Facility, the Company will be permitted to increase the commitments under the New Credit Facility or to establish one or more incremental term loan facilities under the New Credit Facility in an aggregate principal amount not to exceed $200.0 million for all such incremental facilities. Commitments under the New Credit Facility will terminate, and loans outstanding thereunder will mature, on October 11, 2022; provided, that if all the Company’s 3.25% Convertible Senior Notes Due November 1, 2021 shall not have been repaid, refinanced and/or converted to common stock of the Company by April 30, 2021, then the commitments under the New Credit Facility will terminate, and the loans outstanding thereunder will mature, on such earlier date. The interest rates under the New Credit Facility will be, at the Borrowers’ option (1) LIBOR (or, in the case of borrowings under the New Credit Facility denominated in Euro, EURIBOR) plus the rates per annum determined from time to time based on the total leverage ratio of the Company as of the end of and for the most recent period of four fiscal quarters for which financial statements have been delivered (the “Applicable Margin”); or (2) in the case of borrowings denominated in US Dollars, alternate base rate (“ABR”) (as defined in the Credit Agreement) plus the Applicable Margin; provided, however, that any swingline borrowings shall bear interest at the rate applicable to ABR borrowings or, prior to the purchase of participations in such borrowings by the Lenders, at such other rate as shall be agreed between the Company and JPMorgan as the swingline lender. Sale of the Timing Device Business On October 26, 2017, the Company entered into an agreement to sell its timing device (oscillator) business, part of the Precision Devices segment, to Microsemi Corporation for $130.0 million , subject to purchase price adjustments for working capital. This transaction is subject to regulatory approval and customary closing conditions. We expect the transaction to close in the fourth quarter of 2017 and that it will be slightly dilutive to future earnings. As a result, the Company expects to reclassify the assets, liabilities, and results of operations of the product line to discontinued operations in the fourth quarter of 2017. As of September 30, 2017, the timing device business had total assets and liabilities of $84.4 million and $23.0 million , respectively. For the nine months ended September 30, 2017, the timing device business had revenues of $77.0 million .

Basis of Presentation (Policies

Basis of Presentation (Policies)	9 Months Ended
	Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Basis of Accounting Policy	The accompanying unaudited interim Consolidated Financial Statements have been prepared pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC") for quarterly reports on Form 10-Q and do not include all of the information and note disclosures required by U.S. generally accepted accounting principles (“GAAP” or “U.S. GAAP”) for complete financial statements. These unaudited interim Consolidated Financial Statements should therefore be read in conjunction with the Consolidated Financial Statements and Notes thereto for the year ended December 31, 2016 included in the Company’s Annual Report on Form 10-K. The accompanying unaudited interim Consolidated Financial Statements have been prepared in accordance with U.S. GAAP, which requires management to make estimates and assumptions that affect amounts reported in the Consolidated Financial Statements and accompanying disclosures. Although these estimates are based on management’s best knowledge of current events and actions that the Company may undertake in the future, actual results may differ from those estimates. The unaudited interim Consolidated Financial Statements reflect all adjustments of a normal, recurring nature that are, in the opinion of management, necessary for a fair statement of results for these interim periods. During the first quarter of 2017, the Company recorded a correcting entry of $1.1 million related to inventory reserves and incentive compensation accruals. These items, which decreased earnings (loss) before income taxes and discontinued operations, are not material to the Consolidated Financial Statements for any impacted period. During the first quarter of 2017, the Company adopted the Accounting Standard Update (“ASU”) 2016-16 issued in October 2016. The ASU requires the Company to recognize the income tax consequences of an intra-entity transfer of an asset, other than inventory, when the transfer occurs. The Company adopted this standard utilizing the modified retrospective approach and recognized the cumulative effect of the change, which resulted in the Company increasing the beginning balance of the Accumulated deficit line item by $0.1 million on the Consolidated Balance Sheet. In addition, Other assets and deferred charges decreased by $0.1 million as a result of this adoption. Refer to Note 16. Recent Accounting Standards for additional details. In January 2017, the Company changed its allocation of resources and its internal reporting structure to facilitate delivering growth in its core business. Given these changes, beginning in January 2017, the Company's two reportable segments are as follows: • Audio Segment Our Audio group designs and manufactures innovative audio products, including acoustics like microphones and balanced armature speakers, signal processing technologies, and software and algorithms used in applications that serve the mobile, ear, and Internet of Things (IoT) markets. Its transducer products are used principally in hearing aid applications within the commercial audiology market. Locations include the corporate office in Itasca, Illinois; sales, support, and engineering facilities in North America, Europe, and Asia; and manufacturing facilities in Asia. • Precision Devices ("PD") Segment Our PD group specializes in the design and manufacture of specialized electronic components used in medical and life science applications, as well as high-performance solutions and components used in communications infrastructure and a wide variety of other markets. Its oscillator products predominantly serve the telecom infrastructure market and its capacitor products are used in applications including radio, radar, satellite, power supplies, transceivers, and medical implants serving the defense, aerospace, telecommunication, and life sciences markets. Locations include the corporate office in Itasca, Illinois; and sales, support, engineering, and manufacturing facilities in North America, Europe, and Asia. Financial reporting under this new structure is included within this report on Form 10-Q and historical financial segment information has been recast to conform to this new presentation within our financial statements. On January 11, 2017, the Company completed an acquisition of certain assets of a capacitors manufacturer for cash consideration of $4.0 million , of which $2.5 million was paid during the first quarter of 2017, with the remaining $1.5 million to be paid in quarterly installments from 2018 through the first quarter of 2019, less any purchase price adjustments. This acquisition's operations are included in the PD segment. The financial results of this acquisition were included in our Consolidated Financial Statements beginning January 11, 2017. As discussed in Note 2. Disposed and Discontinued Operations , the Company completed its sale of the speaker and receiver product line on July 7, 2016 ("Speaker and Receiver Product Line"). In accordance with Accounting Standards Codification ("ASC") 205-20, Presentation of Financial Statements - Discontinued Operations, the results of operations and related assets and liabilities for the Speaker and Receiver Product Line have been reclassified as discontinued operations for all periods presente

Recent Accounting Standards New

Recent Accounting Standards New Accounting Pronouncements, Policy (Policies)	9 Months Ended
	Sep. 30, 2017
Accounting Policies [Abstract]
New Accounting Pronouncements, Policy [Policy Text Block]	Recently Issued Accounting Standards In August 2017, the Financial Accounting Standards Board ("FASB") issued ASU 2017-12 with the objective of improving the financial reporting of hedging relationships to better portray the economic results of an entity’s risk management activities in its financial statements and simplify the application of hedge accounting guidance. The standard is effective for public business entities for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. The standard requires adoption on a modified retrospective basis for hedging relationships existing as of the adoption date and on a prospective basis for the amended presentation and disclosure requirements. Early adoption is permitted. The Company has not yet determined the effect of the standard on its ongoing financial reporting and plans to adopt this standard on January 1, 2019. In May 2017, the FASB issued ASU 2017-09 that provides guidance about when a change to the terms or conditions of a share-based payment award must be accounted for as a modification. The new guidance requires modification accounting if the fair value, vesting condition or the classification of the award is not the same immediately before and after a change to the terms and conditions of the award. This standard is effective for public business entities for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years. The standard requires adoption on a prospective basis for awards modified on or after the adoption date. Early adoption is permitted. The Company does not expect the adoption of this standard to have a significant impact on its Consolidated Financial Statements. The Company plans to adopt this standard on January 1, 2018. In March 2017, the FASB issued ASU 2017-07 primarily to improve the presentation of net periodic pension and post-retirement benefit cost. The new guidance requires that an employer report the service cost component in the same line item or items as other compensation costs arising from services rendered by the pertinent employees during the period. The other components of net benefit cost are required to be presented in the statement of earnings separately from the service cost component and outside of any subtotal of operating income. This standard is effective for public business entities for annual periods or any interim periods beginning after December 15, 2017. The standard requires adoption on a retrospective basis for the presentation of net benefit cost components. Early adoption is permitted. The Company does not expect the new guidance to have a significant impact on its Consolidated Financial Statements and plans to adopt this standard on January 1, 2018. In January 2017, the FASB issued ASU 2017-01, which requires a reporting entity to clarify the definition of a business with the objective of adding guidance to assist entities with evaluating whether transactions should be accounted for as acquisitions (or disposals) of assets or liabilities. This standard is effective for public business entities for annual periods beginning after December 15, 2017, including interim periods within those periods. Early adoption is permitted under specific circumstances and prospective application of the guidance is required. The standard will not have a significant impact upon adoption on January 1, 2018. In August 2016, the FASB issued ASU 2016-15 with the objective of reducing the existing diversity in practice in how certain cash receipts and cash payments are presented and classified in the statement of cash flows. The new guidance requires evaluation of cash receipts and payments on the basis of the nature of the underlying cash flows and provides clarity for categorization for specific transactions. This standard is effective for public business entities for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years. The standard requires adoption on a retrospective basis. Early adoption is permitted. The standard will not have a significant impact upon adoption on January 1, 2018. In February 2016, the FASB issued ASU 2016-02, which requires a lessee to recognize a lease liability and asset for all leases, including operating leases, with a term greater than 12 months on its balance sheet. The standard requires a modified retrospective transition method for all entities. This ASU also provides clarification surrounding the presentation of the effects of the leases in the statement of earnings and statement of cash flows. This standard is effective for public business entities for fiscal years beginning after December 15, 2018, and interim periods within those fiscal years. Early adoption is permitted. The Company has not yet determined the effect of the standard on its ongoing financial reporting and plans to adopt this standard on January 1, 2019. In January 2016, the FASB issued ASU 2016-01, which requires a company to present separately in other comprehensive income, the portion of the total change in the fair value of a liability resulting from a change in the instrument-specific credit risk if the entity has elected to measure the liability at fair value in accordance with the fair value option for financial instruments. This standard is effective for public business entities for fiscal years beginning after December 15, 2017, and interim periods within those fiscal years. The standard requires adoption on a modified retrospective basis. Early adoption is permitted. The standard will not have a significant impact upon adoption on January 1, 2018. In May 2014, the FASB issued ASU 2014-09 and issued subsequent amendments to the initial guidance in August 2015, March 2016, April 2016, May 2016 and December 2016 within ASU 2015-14, ASU 2016-08, ASU 2016-10, ASU 2016-12 and ASU 2016-20, respectively. The core principal of the guidance is to provide a comprehensive new revenue recognition model that requires a company to recognize revenue to depict the transfer of goods or services to a customer at an amount that reflects the consideration it expects to receive in exchange for those goods or services. The guidance also requires additional disclosure about the nature, amount, timing, and uncertainty of revenue and cash flows arising from customer contracts. The standard is effective for annual and interim periods beginning after December 15, 2017, which will require the Company to adopt these provisions in the first quarter of fiscal year 2018. This update permits the use of either the retrospective or modified retrospective (cumulative effect) transition method. ASU 2016-12, issued in May 2016, removes the requirement to disclose the effect of the accounting change in the period of adoption, but still requires the Company to disclose the effect of the changes on any prior periods retrospectively adjusted. The status of the Company’s implementation process is summarized below: • The Company employed a cross-functional approach in assessing the potential impacts of the standard. • The Company determined the key factors from the five-step model for recognizing revenue under the new standard that may be applicable to the business units that comprise the Company’s reportable segments. • Review of the Company’s contract portfolio, which focused on contracts with significant customers, was completed prior to the filing date of this Quarterly Report on Form 10-Q. • Evaluations of contract provisions and a comparison of historical accounting policies to the requirements of the new standard are in process. • The Company is also in the process of evaluating new disclosure requirements, as well as identifying and implementing appropriate changes to its business processes and controls to support recognition and disclosure under the new guidance. The Company will adopt this new guidance on January 1, 2018 using the modified retrospective method, which will result in a cumulative effect adjustment as of the date of adoption. Our work to date indicates that the Company expects to recognize revenue at a point in time, which will result in revenue recognition timing that is materially consistent with our historical practice of recognizing revenue when title and risk of loss pass to the customer. We are currently in the process of determining the expected quantitative impact that the adoption of the new standard will have on our Consolidated Financial Statements. Recently Adopted Accounting Standards In January 2017, the FASB issued ASU 2017-04, which simplifies an entity's measurement of goodwill for impairment testing purposes by eliminating the requirement to perform a hypothetical purchase price allocation. A goodwill impairment charge will now be recognized for the amount by which the carrying value of a reporting unit exceeds its fair value, not to exceed the carrying amount of goodwill. This standard is effective for public business entities for annual or any interim goodwill impairment tests in fiscal years beginning after December 15, 2019. Early adoption is permitted for interim or annual goodwill impairment tests performed on testing dates after January 1, 2017. The Company adopted this guidance prospectively on January 1, 2017. The Company's adoption of this standard did not have a significant impact on its Consolidated Financial Statements. In October 2016, the FASB issued ASU 2016-16, which requires the recognition of the income tax consequences of an intra-entity transfer of an asset, other than inventory, when the transfer occurs. This standard is effective for public business entities for annual periods beginning after December 15, 2018, and interim periods within annual periods beginning after December 15, 2019. Early adoption is permitted. The Company adopted this guidance on a modified retrospective basis effective January 1, 2017. The Company's adoption of this standard did not have a significant impact on its Consolidated Financial Statements. Refer to Note 1. Basis of Presentation for further details. In March 2016, the FASB issued ASU 2016-09. The updated guidance changes how companies account for certain aspects of share-based payment awards to employees, including the accounting for income taxes, forfeitures, and statutory tax withholding requirements, as well as the classification of related matters in the statement of cash flows. This standard is effective for public business entities for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. Early adoption is permitted. The Company adopted this guidance effective January 1, 2017. The Company's adoption of this standard did not have a significant impact on its Consolidated Financial Statements. In July 2015, the FASB issued ASU 2015-11, a final standard that simplifies the subsequent measurement of inventory by replacing the lower of cost or market test under current U.S. GAAP. Under the previous guidance, the subsequent measurement of inventory was measured at the lower of cost or market, where “market” may have multiple possible outcomes. The new guidance requires subsequent measurement of inventory at the lower of cost or net realizable value. Net realizable value is the estimated selling price in the ordinary course of business, less reasonably predictable costs to sell (completion, disposal, and transportation). This standard is effective for public business entities for fiscal years beginning after December 15, 2016, and interim periods within those fiscal years. Early adoption is permitted. The Company adopted this guidance prospectively effective January 1, 2017. The Company's adoption of this standard did not have a significant impact on its Consolidated Financial Statements. Certain amounts in prior years have been reclassified to conform to the current year presentation as a result of recently adopted accounting standards as described in Note 1. Basis of Presentation .

Discontinued Operations Disco26

Discontinued Operations Discontinued Operations (Tables)	9 Months Ended
	Sep. 30, 2017
Discontinued Operations [Abstract]
Disposal Groups, Including Discontinued Operations	Management and the Board of Directors conduct strategic reviews of its businesses periodically. On February 11, 2016, the Company announced its intention to sell the Speaker and Receiver Product Line, and as a result, reclassified the Speaker and Receiver Product Line within the Audio segment to discontinued operations in the first quarter of 2016. On July 7, 2016, the Company completed the sale of its Speaker and Receiver Product Line for $45.0 million in cash, less purchase price adjustments for a net amount received of $40.6 million . The Company recorded a loss of $25.6 million as a result of the sale, which included $26.9 million of loss amounts reclassified from Accumulated other comprehensive loss into earnings related to currency translation adjustments. The results of discontinued operations for the three and nine months ended September 30, 2017 and 2016 reflect the net earnings (loss) of the Speaker and Receiver Product Line. Summarized results of the Company's discontinued operations are as follows: Three Months Ended September 30, Nine Months Ended September 30, (in millions) 2017 2016 2017 2016 Revenues $ — $ 5.5 $ — $ 50.6 Cost of goods sold (0.5 ) 8.6 (0.6 ) 64.3 Restructuring charges - cost of goods sold — 0.1 — 9.4 Gross profit (loss) 0.5 (3.2 ) 0.6 (23.1 ) Research and development expenses — 0.2 — 6.9 Selling and administrative expenses 0.1 (1.5 ) (0.4 ) 6.6 Restructuring charges — — — 1.8 Operating expenses (income) 0.1 (1.3 ) (0.4 ) 15.3 Loss on sale of business — 25.6 — 25.6 Earnings (loss) from discontinued operations before taxes 0.4 (27.5 ) 1.0 (64.0 ) Provision for (benefit from) income taxes 0.1 1.0 (1.4 ) (0.8 ) Earnings (loss) from discontinued operations, net of tax $ 0.3 $ (28.5 ) $ 2.4 $ (63.2 ) Assets and liabilities of discontinued operations are summarized below: (in millions) September 30, 2017 December 31, 2016 Assets of Discontinued Operations: Accounts receivable $ — $ 0.6 Prepaid and other current assets — 0.3 Total current assets — 0.9 Total assets $ — $ 0.9 Liabilities of Discontinued Operations: Accounts payable $ — $ 2.8 Other current liabilities — 3.2 Total current liabilities — 6.0 Total liabilities $ — $ 6.0 The following table presents the depreciation and purchases of property, plant, and equipment of discontinued operations related to the Speaker and Receiver Product Line: Nine Months Ended September 30, (in millions) 2017 2016 Depreciation $ — $ 0.8 Additions to property, plant, and equipment $ — $ 2.5 There was no amortization related to the Speaker and Receiver Product Line for the nine months ended September 30, 2017 and 2016 . There were no additions to property, plant, and equipment included in accounts payable at September 30, 2017 and 2016 .

Inventories (Tables)

Inventories (Tables)	9 Months Ended
	Sep. 30, 2017
Inventory, Net [Abstract]
Components of Inventory	The following table details the major components of inventories, net: (in millions) September 30, 2017 December 31, 2016 Raw materials $ 73.7 $ 64.1 Work in progress 28.4 18.0 Finished goods 77.9 60.9 Subtotal 180.0 143.0 Less reserves (31.7 ) (34.8 ) Total $ 148.3 $ 108.2

Property, Plant and Equipment28

Property, Plant and Equipment, net (Tables)	9 Months Ended
	Sep. 30, 2017
Property, Plant and Equipment [Abstract]
Components of property, plant and equipment, net	The following table details the major components of property, plant, and equipment, net: (in millions) September 30, 2017 December 31, 2016 Land $ 9.1 $ 9.2 Buildings and improvements 121.9 112.3 Machinery, equipment, and other 512.4 464.8 Subtotal 643.4 586.3 Less accumulated depreciation (449.6 ) (400.1 ) Total $ 193.8 $ 186.2 During the nine months ended September 30, 2017, the Company recorded $5.4 million in impairment charges on fixed assets. See Note 3. Impairments for more information.

Goodwill and Other Intangible29

Goodwill and Other Intangible Assets (Tables)	9 Months Ended
	Sep. 30, 2017
Goodwill and Intangible Assets Disclosure [Abstract]
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	Amortization expense for the next five years, based on current intangible balances, is estimated to be as follows: (in millions) Q4 2017 $ 1.7 2018 6.9 2019 6.3 2020 5.3 2021 5.3
Goodwill	The following table provides the changes in carrying value of goodwill by reportable segment for the nine months ended September 30, 2017 : (in millions) Audio Precision Devices Total Balance at December 31, 2016 $ 708.7 $ 185.9 $ 894.6 Foreign currency translation 13.3 (0.2 ) 13.1 Balance at September 30, 2017 $ 722.0 $ 185.7 $ 907.7
Schedule of Intangible Assets	The gross carrying value and accumulated amortization for each major class of intangible assets are as follows: September 30, 2017 December 31, 2016 (in millions) Gross Carrying Amount Accumulated Amortization Gross Carrying Amount Accumulated Amortization Amortized intangible assets: Trademarks $ 0.3 $ 0.2 $ 0.3 $ 0.2 Patents 42.9 22.9 42.9 19.3 Customer relationships 159.5 154.3 156.2 152.8 Unpatented technologies 66.6 66.4 92.2 73.9 Other 3.1 3.1 3.1 3.1 Total 272.4 246.9 294.7 249.3 Unamortized intangible assets: Trademarks 32.0 32.0 Total intangible assets, net $ 57.5 $ 77.4

Restructuring and Related Act30

Restructuring and Related Activities (Tables)	9 Months Ended
	Sep. 30, 2017
Restructuring and Related Activities [Abstract]
Schedule of Restructuring and Related Costs	The following table details restructuring charges incurred by reportable segment for the periods presented: Three Months Ended September 30, Nine Months Ended September 30, (in millions) 2017 2016 2017 2016 Audio (1) $ 0.6 $ 1.0 $ 6.0 $ 7.1 Precision Devices — — 0.3 2.1 Corporate 0.5 1.1 2.0 1.5 Total $ 1.1 $ 2.1 $ 8.3 $ 10.7
Schedule of Restructuring Reserve by Type of Cost	The following table details the Company’s severance and other restructuring accrual activity: (in millions) Severance Pay and Benefits Contract Termination and Other Costs Total Balance at December 31, 2016 $ 3.4 $ 0.4 $ 3.8 Restructuring charges (1) 6.5 1.8 8.3 Payments (4.8 ) (1.8 ) (6.6 ) Balance at September 30, 2017 $ 5.1 $ 0.4 $ 5.5
Schedule of Restructuring Reserve by Balance Sheet Location	The severance and restructuring accruals are recorded in the following accounts on the Consolidated Balance Sheets: (in millions) September 30, 2017 December 31, 2016 Other accrued expenses $ 5.2 $ 3.6 Other liabilities 0.3 0.2 Total $ 5.5 $ 3.8

Hedging Transaction and Deriv31

Hedging Transaction and Derivative Instruments (Tables)	9 Months Ended
	Sep. 30, 2017
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Schedule of Fair Value of Derivative Instruments, Balance Sheet Location	The following table sets forth the fair values of derivative instruments held by the Company at September 30, 2017 and December 31, 2016 and the balance sheet lines to which they are recorded (in millions): Hedge Type Balance Sheet Line Item September 30, 2017 December 31, 2016 Cash flow hedges Prepaid and other current assets $ 0.8 $ — Cash flow hedges Other accrued expenses 0.4 3.6 Cash flow hedges Other liabilities — 0.2 Economic hedges Other accrued expenses 0.1 —
Schedule of Other Derivative Not Designated as Hedging Instruments, Statements of Financial Performance Location	For economic hedges, for which the Company does not apply hedge accounting, the following (gains) losses were recorded for the three and nine months ended September 30, 2017 and 2016 : (in millions) Three Months Ended September 30, Nine Months Ended September 30, Hedge Type Statement of Earnings Line 2017 2016 2017 2016 Economic hedges Other expense (income), net $ (0.5 ) $ 0.5 $ (1.4 ) $ 0.5
Schedule of Cash Flow Hedging Instruments, Statements of Financial Performance Location	The following table presents the pre-tax impact of changes in the fair values of the designated derivatives, which qualify for hedge accounting during the three and nine months ended September 30, 2017 and 2016 . Knowles reclassified these (gains) losses out of AOCI into Other expense (income), net as follows: (in millions) Three Months Ended September 30, Nine Months Ended September 30, Hedge Type Statement of Earnings Line 2017 2016 2017 2016 Cash flow hedges Other expense (income), net $ (0.4 ) $ 0.1 $ 1.3 $ (0.1 )

Borrowings (Tables)

Borrowings (Tables)	9 Months Ended
	Sep. 30, 2017
Debt Disclosure [Abstract]
Schedule of Long-term Debt Instruments	Borrowings (net of debt issuance costs, debt discount, and amortization) consist of the following: (in millions) September 30, 2017 December 31, 2016 3.25% Convertible Senior Notes $ 140.2 $ 135.1 Term loan and revolving credit facility 171.0 163.1 Total 311.2 298.2 Less: current maturities 13.3 9.7 Total long-term debt $ 297.9 $ 288.5
Schedule of Convertible Debt	3.25% Convertible Senior Notes Due November 1, 2021 In May 2016, the Company issued $172.5 million aggregate principal amount of 3.25% convertible senior notes due November 1, 2021 ("the Notes"), unless earlier repurchased by the Company or converted pursuant to their terms. Interest is payable semiannually in arrears on May 1 and November 1 each year and commenced on November 1, 2016. The Notes are governed by an Indenture (the "Indenture") between the Company, as issuer, and U.S. Bank National Association as trustee. Upon conversion, the Company will pay or deliver cash, shares of the Company's common stock or a combination of cash and shares of common stock, at the Company's election. The initial conversion rate is 54.2741 shares of common stock per $1,000 principal amount of Notes. The initial conversion price is $18.4250 per share of common stock. The conversion rate will be subject to adjustment upon the occurrence of certain specified events but will not be adjusted for accrued and unpaid interest. In addition, upon the occurrence of a make-whole fundamental change (as defined in the Indenture), the Company may be required, in certain circumstances, to increase the conversion rate by a number of additional shares for a holder that elects to convert its Notes in connection with such make-whole fundamental change. Prior to the close of business on the business day immediately preceding August 1, 2021, the Notes will be convertible only under the following circumstances: = during any calendar quarter and only during such calendar quarters, if the last reported sale price of the Company’s common stock for at least 20 trading days (whether or not consecutive) during a period of 30 consecutive trading days ending on the last trading day of the immediately preceding calendar quarter is greater than or equal to 130% of the conversion price on each applicable trading day; = during the five business day period after any 10 consecutive trading day period (the “measurement period”) in which the trading price per $1,000 principal amount of Notes for each trading day of the measurement period was less than 98% of the product of the last reported sale price of the Company’s common stock and the conversion rate on each such trading day; or = upon the occurrence of specified corporate events. On or after August 1, 2021 until the close of business on the second scheduled trading day immediately preceding the maturity date, holders may convert all or any portion of their Notes, in multiples of $1,000 principal amount, at the option of the holder regardless of the foregoing circumstances. A s of September 30, 2017 , no event has occurred that would permit the conversion of the Notes. The Notes are the Company’s senior unsecured obligations. In accounting for the issuance of the Notes, the Company separated the Notes into liability and equity components. The carrying amount of the liability component was calculated by measuring the fair value of a similar liability that does not have an associated convertible feature. The carrying amount of the equity component representing the conversion option was determined by deducting the fair value of the liability component from the face value of the Notes as a whole. The excess of the principal amount of the liability component over its carrying amount is amortized to interest expense over the term of the Notes. The equity component is not remeasured as long as it continues to meet the conditions for equity classification. In accounting for the transaction costs related to the Notes issuance, the Company allocated the total amount incurred to the liability and equity components based on their relative values. Issuance costs attributable to the liability component, totaling $5.0 million , are being amortized to interest expense over the term of the Notes, and issuance costs attributable to the equity component, totaling $1.3 million , were netted with the equity component in stockholders' equity. Additionally, the Company recorded a deferred tax asset of $0.5 million on a portion of the equity component transaction costs which are deductible for tax purposes and immediately recorded a valuation allowance against this deferred tax asset. The Notes consist of the following: (in millions) September 30, 2017 December 31, 2016 Liability component: Principal $ 172.5 $ 172.5 Less: debt issuance costs and debt discount, net of amortization (32.3 ) (37.4 ) Total 140.2 135.1 Less: current maturities (1) (0.9 ) (0.9 ) Long-term portion $ 141.1 $ 136.0 Equity component (2) $ 29.9 $ 29.9 (1) No short-term principal with $0.9 million of short-term debt issuance costs. (2) Recorded in the Consolidated Balance Sheets within additional paid-in capital, inclusive of the $1.3 million of issuance costs in equity. The total estimated fair value of the Notes at September 30, 2017 was $194.7 million . The fair value was determined based on the closing trading price per $100 of the Notes as of the last trading day for the third quarter of 2017 . The following table sets forth total interest expense recognized related to the Notes: Three Months Ended September 30, Nine Months Ended September 30, (in millions) 2017 2016 2017 2016 3.25% coupon $ 1.4 $ 1.4 $ 4.2 $ 2.4 Amortization of debt issuance costs 0.3 0.3 0.7 0.4 Amortization of debt discount 1.4 1.4 4.3 2.3 Total $ 3.1 $ 3.1 $ 9.2 $ 5.1 Note Hedges To minimize the impact of potential economic dilution upon conversion of the Notes, the Company entered into convertible note hedge transactions (the “Note Hedges”) with respect to its common stock. In the second quarter of 2016, the Company paid an aggregate amount of $44.5 million for the Note Hedges. The Note Hedges will expire upon maturity of the Notes. The Note Hedges are intended to offset the potential dilution upon conversion of the Notes and/or offset any cash payments the Company is required to make in excess of the principal amount upon conversion of the Notes in the event that the market value per share of the Company's common stock, as measured under the Note Hedges, is greater than the strike price of the Note Hedges, which initially corresponds to the initial conversion price of the Notes and is subject to anti-dilution adjustments substantially similar to those applicable to the conversion rate of the Notes. The Note Hedges are separate transactions entered into by the Company, and are not part of the Notes or the Warrants, and have been accounted for as part of additional paid-in capital. Holders of the Notes do not have any rights with respect to the Note Hedges. Warrants In addition to the Note Hedges, in the second quarter of 2016, the Company entered into warrant transactions, whereby the Company sold warrants to acquire shares of the Company's common stock at a strike price of $21.1050 per share (the “Warrants”). The Company received aggregate proceeds of $39.1 million from the sale of the Warrants. If the market price per share of the Company's common stock for the reporting period, as measured under the Warrants, exceeds the strike price of the Warrants, the Warrants could have a dilutive effect on the Company's common stock, unless the Company elects, subject to certain conditions, to settle the Warrants in cash. The Warrants are separate transactions entered into by the Company, and are not part of the Notes or the Note Hedges, and have been accounted for as part of additional paid-in capital. Holders of the Notes and Note Hedges do not have any rights with respect to the Warrants.
Schedule of Term Loan and Revolving Credit Facilities	Term Loan and Revolving Credit Facility Term loan and revolving credit facility borrowings consist of the following: (in millions) September 30, 2017 December 31, 2016 Term loan due January 2019 $ 111.3 $ 118.5 $300.0 million revolving credit facility due January 2019 60.0 45.0 Less: debt issuance costs, net of amortization (0.3 ) (0.4 ) Total 171.0 163.1 Less: current maturities (1) 14.2 10.6 Long-term portion $ 156.8 $ 152.5 (1) Inclusive of $0.2 million of short-term debt issuance costs. The $300.0 million five -year senior secured revolving credit facility, as well as a five -year senior secured term loan facility, which are referred to collectively as the "Credit Facilities," includes requirements, to be tested quarterly, that the Company maintains (i) a minimum ratio of Consolidated EBITDA to consolidated interest expense of 3.25 to 1.0 (the "Interest Coverage Ratio"), (ii) a maximum ratio of consolidated total indebtedness to Consolidated EBITDA of 3.75 to 1.0 (the "Leverage Ratio"), and (iii) a maximum ratio of senior secured indebtedness to Consolidated EBITDA of 3.25 to 1.0 (the "Senior Secured Leverage Ratio"). For these ratios, Consolidated EBITDA and consolidated interest expense are calculated using the most recent four consecutive fiscal quarters in a manner defined in the credit agreement governing the Credit Facilities. At September 30, 2017 , the Company was in compliance with these covenants and expects to remain in compliance with all of its debt covenants over the next twelve months. The interest rate under the Credit Facilities is variable based on LIBOR at the time of the borrowing and the Company's leverage as measured by a total indebtedness to Consolidated EBITDA ratio. Based upon the Company's total indebtedness to Consolidated EBITDA ratio, the Company's borrowing rate could range from LIBOR + 1.25% to LIBOR + 2.25% . In addition, a commitment fee accrues on the average daily unused portion of the revolving facility at a rate of 0.2% to 0.4% . The weighted-average interest rate on the Company's borrowings under the Credit Facilities includes interest expense related to the monthly interest rate swap settlements and was 3.68% and 2.71% for the nine months ended September 30, 2017 and 2016 , respectively. The weighted-average commitment fee on the revolving line of credit was 0.37% and 0.40% for the nine months ended September 30, 2017 and 2016 , respectively. For supplemental cash flow purposes, cash paid for interest was $7.3 million and $7.6 million for the nine months ended September 30, 2017 and 2016 , respectively. See Note 8. Hedging Transactions and Derivative Instruments for information on derivatives used to manage interest rate risk.

Other Comprehensive Loss (Table

Other Comprehensive Loss (Tables)	9 Months Ended
	Sep. 30, 2017
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Components of other comprehensive (loss) earnings	The amounts recognized in other comprehensive earnings were as follows: Three Months Ended Three Months Ended September 30, 2017 September 30, 2016 (in millions) Pre-tax Tax Net of tax Pre-tax Tax Net of tax Foreign currency translation $ 4.9 $ — $ 4.9 $ 27.2 $ — $ 27.2 Changes in fair value of cash flow hedges 0.5 (0.1 ) 0.4 (0.1 ) — (0.1 ) Other comprehensive earnings, net of tax $ 5.4 $ (0.1 ) $ 5.3 $ 27.1 $ — $ 27.1
Other Comprehensive Loss	The amounts recognized in other comprehensive earnings were as follows: Three Months Ended Three Months Ended September 30, 2017 September 30, 2016 (in millions) Pre-tax Tax Net of tax Pre-tax Tax Net of tax Foreign currency translation $ 4.9 $ — $ 4.9 $ 27.2 $ — $ 27.2 Changes in fair value of cash flow hedges 0.5 (0.1 ) 0.4 (0.1 ) — (0.1 ) Other comprehensive earnings, net of tax $ 5.4 $ (0.1 ) $ 5.3 $ 27.1 $ — $ 27.1 Nine Months Ended Nine Months Ended September 30, 2017 September 30, 2016 (in millions) Pre-tax Tax Net of tax Pre-tax Tax Net of tax Foreign currency translation $ 25.0 $ — $ 25.0 $ 37.1 $ — $ 37.1 Changes in fair value of cash flow hedges 4.2 (0.5 ) 3.7 (0.5 ) 0.1 (0.4 ) Other comprehensive earnings, net of tax $ 29.2 $ (0.5 ) $ 28.7 $ 36.6 $ 0.1 $ 36.7 The following tables summarize the changes in balances of each component of accumulated other comprehensive loss, net of tax, during the nine months ended September 30, 2017 and 2016 : (in millions) Cash flow hedges Cumulative foreign currency translation adjustments Employee benefit plans Total Balance at December 31, 2016 $ (3.2 ) $ (112.3 ) $ (16.6 ) $ (132.1 ) Other comprehensive earnings, net of tax 3.7 25.0 — 28.7 Balance at September 30, 2017 $ 0.5 $ (87.3 ) $ (16.6 ) $ (103.4 ) (in millions) Cash flow hedges Cumulative foreign currency translation adjustments Employee benefit plans Total Balance at December 31, 2015 $ (1.6 ) $ (113.1 ) $ (11.5 ) $ (126.2 ) Other comprehensive earnings, net of tax (0.4 ) 37.1 — 36.7 Balance at September 30, 2016 $ (2.0 ) $ (76.0 ) $ (11.5 ) $ (89.5 ) During the three and nine months ended September 30, 2017 , there were $0.4 million of earnings reclassified from accumulated other comprehensive loss to earnings and $1.3 million of losses reclassified into earnings, respectively. During the three and nine months ended September 30, 2016 , there were losses of $0.1 million reclassified into earnings and $0.1 million of earnings reclassified from accumulated other comprehensive loss to earnings, respectively.
Schedule of (Loss) Earnings	The following tables summarize the changes in balances of each component of accumulated other comprehensive loss, net of tax, during the nine months ended September 30, 2017 and 2016 : (in millions) Cash flow hedges Cumulative foreign currency translation adjustments Employee benefit plans Total Balance at December 31, 2016 $ (3.2 ) $ (112.3 ) $ (16.6 ) $ (132.1 ) Other comprehensive earnings, net of tax 3.7 25.0 — 28.7 Balance at September 30, 2017 $ 0.5 $ (87.3 ) $ (16.6 ) $ (103.4 ) (in millions) Cash flow hedges Cumulative foreign currency translation adjustments Employee benefit plans Total Balance at December 31, 2015 $ (1.6 ) $ (113.1 ) $ (11.5 ) $ (126.2 ) Other comprehensive earnings, net of tax (0.4 ) 37.1 — 36.7 Balance at September 30, 2016 $ (2.0 ) $ (76.0 ) $ (11.5 ) $ (89.5 ) During the three and nine months ended September 30, 2017 , there were $0.4 million of earnings reclassified from accumulated other comprehensive loss to earnings and $1.3 million of losses reclassified into earnings, respectively. During the three and nine months ended September 30, 2016 , there were losses of $0.1 million reclassified into earnings and $0.1 million of earnings reclassified from accumulated other comprehensive loss to earnings, respectively.

Equity Incentive Program (Table

Equity Incentive Program (Tables)	9 Months Ended
	Sep. 30, 2017
Share-based Compensation [Abstract]
Schedule of Black-Scholes Option-Pricing Assumptions	The expense related to stock options granted in the nine months ended September 30, 2017 and 2016 was estimated on the date of grant using a Black-Scholes option-pricing model based on the assumptions shown in the table below. Nine Months Ended September 30, 2017 2016 Risk-free interest rate 1.73% to 1.93% 1.04% to 1.12% Dividend yield —% —% Expected life (years) 4.5 4.5 Volatility 38.1% to 38.8% 37.0% to 39.6% Fair value at date of grant $6.07 to $6.73 $3.76 to $4.27
Schedule of SSAR and Stock Options Activity	The following table summarizes the Company's stock-settled stock appreciation right ("SSAR") and stock option activity for the nine months ended September 30, 2017 (in millions, except share and per share amounts). SSARs Stock Options Number of Shares Weighted-Average Exercise Price Aggregate Intrinsic Value Weighted-Average Remaining Contractual Term (Years) Number of Shares Weighted-Average Exercise Price Aggregate Intrinsic Value Weighted-Average Remaining Contractual Term (Years) Outstanding at December 31, 2016 898,718 $ 21.25 4,684,117 $ 18.03 Granted — — 787,010 19.17 Exercised (31,665 ) 12.33 (226,368 ) 14.36 Forfeited — — (273,050 ) 15.49 Expired (16,537 ) 23.20 (77,166 ) 25.33 Outstanding at September 30, 2017 850,516 $ 21.54 $ 0.2 4.3 4,894,543 $ 18.38 $ 6.8 5.0 Exercisable at September 30, 2017 850,516 $ 21.54 $ 0.2 4.3 2,230,395 $ 20.54 $ 2.1 4.4
Schedule of Restricted Stock Units Award Activity	The following table summarizes the Company's restricted stock unit ("RSU") balances for the nine months ended September 30, 2017 . Share units Weighted-average grant date fair value Unvested at December 31, 2016 2,074,998 $ 14.94 Granted 1,305,818 18.67 Vested (788,168 ) 16.13 Forfeited (369,542 ) 15.72 Unvested at September 30, 2017 2,223,106 $ 16.55 At September 30, 2017 , $26.9 million of unrecognized compensation expense related to RSUs is expected to be recognized over a weighted-average period of 1.4 years.
Share-based Compensation, Performance Shares Award Outstanding Activity [Table Text Block]	Share units Weighted-average grant date fair value Unvested at December 31, 2016 — $ — Granted 176,000 15.32 Vested — — Forfeited — — Unvested at September 30, 2017 176,000 $ 15.32

Earnings per Share (Tables)

Earnings per Share (Tables)	9 Months Ended
	Sep. 30, 2017
Earnings Per Share [Abstract]
Reconciliation of information used in computing basic and diluted earnings per share	Basic and diluted earnings per share were computed as follows: Three Months Ended September 30, Nine Months Ended September 30, (in millions, except share and per share amounts) 2017 2016 2017 2016 Earnings (loss) from continuing operations $ 15.4 $ 20.9 $ (19.6 ) $ 1.6 Earnings (loss) from discontinued operations, net 0.3 (28.5 ) 2.4 (63.2 ) Net earnings (loss) $ 15.7 $ (7.6 ) $ (17.2 ) $ (61.6 ) Basic earnings (loss) per common share: Earnings (loss) from continuing operations $ 0.17 $ 0.24 $ (0.22 ) $ 0.02 Earnings (loss) from discontinued operations, net 0.01 (0.32 ) 0.03 (0.71 ) Net earnings (loss) per share $ 0.18 $ (0.08 ) $ (0.19 ) $ (0.69 ) Weighted-average shares outstanding 89,469,996 88,720,888 89,270,103 88,637,001 Diluted earnings (loss) per common share: Earnings (loss) from continuing operations $ 0.17 $ 0.24 $ (0.22 ) $ 0.02 Earnings (loss) from discontinued operations, net — (0.32 ) 0.03 (0.71 ) Net earnings (loss) per share $ 0.17 $ (0.08 ) $ (0.19 ) $ (0.69 ) Weighted-average shares outstanding 90,373,112 89,317,806 89,270,103 88,997,050

Segment Information (Tables)

Segment Information (Tables)	9 Months Ended
	Sep. 30, 2017
Segment Reporting [Abstract]
Revenue and Earnings from continuing operations by market segment	Information regarding the Company's reportable segments is as follows: Three Months Ended September 30, Nine Months Ended September 30, (in millions) 2017 2016 2017 2016 Revenues: Audio $ 167.8 $ 193.4 $ 450.1 $ 471.6 Precision Devices 53.9 49.7 155.5 147.1 Total consolidated revenues $ 221.7 $ 243.1 $ 605.6 $ 618.7 Earnings from continuing operations before interest and income taxes: Audio $ 28.1 $ 36.5 $ 29.9 $ 50.6 Precision Devices 6.6 5.3 18.0 10.3 Total segments 34.7 41.8 47.9 60.9 Corporate expense / other 13.8 15.3 44.6 40.4 Interest expense, net 5.1 5.6 15.4 15.1 Earnings (loss) before income taxes and discontinued operations 15.8 20.9 (12.1 ) 5.4 Provision for income taxes 0.4 — 7.5 3.8 Earnings (loss) from continuing operations $ 15.4 $ 20.9 $ (19.6 ) $ 1.6

Basis of Presentation (Details)

Basis of Presentation (Details) - USD ($) $ in Millions	Jan. 11, 2017	Mar. 31, 2017	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2019	Dec. 31, 2016
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross	$ 4	$ 2.5
Noncash Investing and Financing Items [Abstract]
Purchases of property and equipment included in accounts payable			$ 3.6	$ 3.8
Scenario, Forecast [Member]
Business Acquisition [Line Items]
Payments to Acquire Businesses, Gross					$ 1.5
Other Noncurrent Assets [Member] | Accounting Standards Update 2016-16 [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member]
Business Acquisition [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption						$ (0.1)

Basis of Presentation Prior Per

Basis of Presentation Prior Period Corrections (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2017	Mar. 31, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Earnings (loss) before income taxes and discontinued operations	$ 15.8		$ 20.9	$ (12.1)	$ 5.4
Accumulated Deficit | Accounting Standards Update 2016-16 [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption						$ (0.1)
Restatement Adjustment [Member] | Incentive Compensation Accrual [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Earnings (loss) before income taxes and discontinued operations		$ 1.1
Other Noncurrent Assets [Member] | Accounting Standards Update 2016-16 [Member] | New Accounting Pronouncement, Early Adoption, Effect [Member]
Quantifying Misstatement in Current Year Financial Statements [Line Items]
Cumulative Effect of New Accounting Principle in Period of Adoption						$ (0.1)

Discontinued Operations (Detail

Discontinued Operations (Details) - USD ($) $ in Millions	Jul. 07, 2016	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses				$ 0	$ 40.6
Document Fiscal Year Focus				2,017
Loss on sale of business				$ 0	25.6
Total assets		$ 0		0		$ 0.9
Total liabilities		0		0		6
Earnings (loss) from discontinued operations, net		0.3	$ (28.5)	2.4	(63.2)
Audio | Speaker and Receiver Product Line | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Consideration received for disposal group	$ 45
Proceeds from Divestiture of Businesses	$ 40.6
Audio | Speaker and Receiver Product Line | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax						26.9
Revenues		0	5.5	0	50.6
Cost of goods sold		(0.5)	8.6	(0.6)	64.3
Restructuring charges - cost of goods sold		0	0.1	0	9.4
Gross profit (loss)		0.5	(3.2)	0.6	(23.1)
Research and development expenses		0	0.2	0	6.9
Selling and administrative expenses		0.1	(1.5)	(0.4)	6.6
Restructuring charges		0	0	0	1.8
Operating expenses (income)		0.1	(1.3)	(0.4)	15.3
Loss on sale of business		0	25.6	0	25.6	25.6
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		0.4	(27.5)	1	(64)
Discontinued Operation, Tax Effect of Discontinued Operation		0.1	1	(1.4)	(0.8)
Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax		0.3	$ (28.5)	2.4	(63.2)
Accounts receivable		0		0		0.6
Prepaid and other current assets		0		0		0.3
Total current assets		0		0		0.9
Total assets		0		0		0.9
Accounts payable		0		0		2.8
Other current liabilities		0		0		3.2
Total current liabilities		0		0		6
Total liabilities		$ 0		0		$ 6
Depreciation				0	0.8
Additions to property, plant, and equipment				0	$ 2.5
Amortization of intangible Assets, Discontinued Operations				0
Accounts Payable | Audio | Speaker and Receiver Product Line | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Additions to property, plant, and equipment				$ 0

Impairments (Details)

Impairments (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2017	Jun. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Impairment charges [Abstract]
Other Asset Impairment Charges		$ 21.3
Impairment of Long-Lived Assets Held-for-use		5.1		$ 5.4	$ 0
Tangible Asset Impairment Charges	$ 0.3	1.4	$ 0	1.7	0
Impairment of Intangible Assets, Finite-lived		16.2		16.2	0
Asset Impairment Charges	$ 0	$ 19.9	$ 0	$ 19.9	$ 0

Inventories (Details)

Inventories (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Inventory, Net [Abstract]
Raw materials	$ 73.7	$ 64.1
Work in progress	28.4	18
Finished goods	77.9	60.9
Subtotal	180	143
Less reserves	(31.7)	(34.8)
Total	$ 148.3	$ 108.2

Property, Plant and Equipment42

Property, Plant and Equipment, net (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2017	Jun. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Property, Plant and Equipment [Line Items]
Cost	$ 643.4			$ 643.4		$ 586.3
Accumulated depreciation	(449.6)			(449.6)		(400.1)
Total	193.8			193.8		186.2
Tangible Asset Impairment Charges	0.3	$ 1.4	$ 0	1.7	$ 0
Land
Property, Plant and Equipment [Line Items]
Cost	9.1			9.1		9.2
Buildings and improvements
Property, Plant and Equipment [Line Items]
Cost	121.9			121.9		112.3
Machinery, equipment, and other
Property, Plant and Equipment [Line Items]
Cost	$ 512.4			$ 512.4		$ 464.8

Goodwill and Other Intangible43

Goodwill and Other Intangible Assets - Goodwill (Details) $ in Millions	9 Months Ended
	Sep. 30, 2017USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 894.6
Foreign currency translation	13.1
Ending balance	907.7
Audio
Goodwill [Roll Forward]
Beginning balance	708.7
Foreign currency translation	13.3
Ending balance	722
Precision Devices
Goodwill [Roll Forward]
Beginning balance	185.9
Foreign currency translation	(0.2)
Ending balance	$ 185.7

Goodwill and Other Intangible44

Goodwill and Other Intangible Assets - Intangible Assets and Amortization Expense (Details) - USD ($) $ in Millions	Jan. 11, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year		$ 1.7				$ 1.7
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]		6.9				6.9
Gross carrying amount		272.4				272.4		$ 294.7
Accumulated amortization		246.9				246.9		249.3
Intangible assets, net		57.5				57.5		77.4
Payments to Acquire Businesses, Gross	$ 4			$ 2.5
Amortization expense		1.7			$ 5.6	$ 7	$ 16.8
Document Fiscal Year Focus						2,017
Finite-Lived Intangible Assets, Amortization Expense, Year Three		6.3				$ 6.3
Finite-Lived Intangible Assets, Amortization Expense, Year Four		5.3				5.3
Finite-Lived Intangible Assets, Amortization Expense, Year Five		5.3				5.3
Impairment of Intangible Assets, Finite-lived			$ 16.2			16.2	$ 0
Trademarks
Finite-Lived Intangible Assets [Line Items]
Unamortized intangible assets, gross carrying amount		32				32		32
Trademarks
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount		0.3				0.3		0.3
Accumulated amortization		0.2				0.2		0.2
Patents
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount		42.9				42.9		42.9
Accumulated amortization		22.9				22.9		19.3
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount		159.5				159.5		156.2
Accumulated amortization		154.3				154.3		152.8
Unpatented Technologies
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount		66.6				66.6		92.2
Accumulated amortization		66.4				66.4		73.9
Other (1)
Finite-Lived Intangible Assets [Line Items]
Gross carrying amount		3.1				3.1		3.1
Accumulated amortization		$ 3.1				$ 3.1		$ 3.1
Customer Lists
Finite-Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 3.3
Finite-Lived Intangible Asset, Useful Life	5 years

Restructuring and Related Act45

Restructuring and Related Activities - Restructuring Charges by Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Restructuring Cost and Reserve [Line Items]
Document Fiscal Year Focus			2,017
Restructuring charges	$ 0.9	$ 2.1	$ 4.4	$ 9.3
Restructuring and Related Cost, Incurred Cost			8.3
Severance Pay and Contract Termination and Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1.1	2.1	8.3	10.7
Severance Pay and Benefits
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost			6.5
Contract Termination and Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost			1.8
Operating Segments | Audio | Severance Pay and Contract Termination and Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.6	1	6	7.1
Operating Segments | Precision Devices | Severance Pay and Contract Termination and Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0	0.3	2.1
Corporate | Severance Pay and Contract Termination and Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.5	1.1	2	1.5
Cost of Goods Sold, Restructuring Charges [Member] | Severance Pay and Contract Termination and Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.2		3.9
Operating Expense [Member] | Severance Pay and Contract Termination and Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.9		4.4
Operating Expense [Member] | Corporate | Severance Pay and Contract Termination and Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.5		2
Operating Expense [Member] | Audio | Severance Pay and Contract Termination and Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 0.4		2.1
Operating Expense [Member] | Precision Devices | Severance Pay and Contract Termination and Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 0.3
Audience, Inc. [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges				10.7
Audience, Inc. [Member] | Cost of Goods Sold, Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges				1.4
Audience, Inc. [Member] | Operating Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 2.1		$ 9.3

Restructuring and Related Act46

Restructuring and Related Activities - Restructuring Accrual Activities (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 0.9	$ 2.1	$ 4.4	$ 9.3
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			3.8
Restructuring charges			8.3
Payments			(6.6)
Severance and other restructuring reserve, ending balance	5.5		5.5
Restructuring Reserve, Accrual Adjustment			0.9
Severance Pay and Contract Termination and Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1.1	2.1	8.3	10.7
Severance Pay and Benefits
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			3.4
Restructuring charges			6.5
Payments			(4.8)
Severance and other restructuring reserve, ending balance	5.1		5.1
Contract Termination and Other Costs
Restructuring Reserve [Roll Forward]
Severance and other restructuring reserve, beginning balance			0.4
Restructuring charges			1.8
Payments			(1.8)
Severance and other restructuring reserve, ending balance	0.4		0.4
Cost of Goods Sold, Restructuring Charges [Member] | Severance Pay and Contract Termination and Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.2		3.9
Operating Expense [Member] | Severance Pay and Contract Termination and Other Costs
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 0.9		$ 4.4
Audience, Inc. [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges				10.7
Audience, Inc. [Member] | Cost of Goods Sold, Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges				1.4
Audience, Inc. [Member] | Operating Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 2.1		$ 9.3

Restructuring and Related Act47

Restructuring and Related Activities - Balance Sheet Location (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Severance and restructuring accrual	$ 5.5	$ 3.8
Other accrued expenses
Restructuring Cost and Reserve [Line Items]
Severance and restructuring accrual	5.2	3.6
Other liabilities
Restructuring Cost and Reserve [Line Items]
Severance and restructuring accrual	$ 0.3	$ 0.2

Hedging Transaction and Deriv48

Hedging Transaction and Derivative Instruments - Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015	Nov. 12, 2014
Derivative [Line Items]
Accumulated other comprehensive loss	$ (103.4)	$ (132.1)	$ (89.5)	$ (126.2)
Foreign Exchange Forward [Member] | Cash Flow Hedging | Designated as hedging instrument
Derivative [Line Items]
Derivative, notional amount	26.5	75.4
Interest Rate Swap [Member] | Cash Flow Hedging | Designated as hedging instrument
Derivative [Line Items]
Derivative, notional amount					$ 100
Foreign Currency Gain (Loss) [Member] | Economic Hedge | Not designated as hedging instrument
Derivative [Line Items]
Derivative, notional amount	25.2	0
Term Loan and Revolving Credit Facility Due January 2019
Derivative [Line Items]
Accumulated other comprehensive loss	$ 0.5	$ (3.2)	$ (2)	$ (1.6)

Hedging Transaction and Deriv49

Hedging Transaction and Derivative Instruments - Fair Value of Derivative Instruments, Balance Sheet Location (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Derivatives, Fair Value [Line Items]
Accumulated other comprehensive loss	$ (103.4)	$ (132.1)	$ (89.5)	$ (126.2)
Cash Flow Hedging | Designated as hedging instrument | Prepaid Expenses and Other Current Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Asset	0.8	0
Cash Flow Hedging | Designated as hedging instrument | Other accrued expenses
Derivatives, Fair Value [Line Items]
Derivative liability	0.4	3.6
Cash Flow Hedging | Designated as hedging instrument | Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liability	0	0.2
Economic Hedge | Not designated as hedging instrument | Other accrued expenses
Derivatives, Fair Value [Line Items]
Derivative liability	0.1	0
Term Loan and Revolving Credit Facility Due January 2019
Derivatives, Fair Value [Line Items]
Accumulated other comprehensive loss	$ 0.5	$ (3.2)	$ (2)	$ (1.6)

Hedging Transaction and Deriv50

Hedging Transaction and Derivative Instruments - Gain (Loss) of Derivative Instruments Recognized on Income Statement (Details) - Other nonoperating income (expense) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Cash Flow Hedging | Designated as hedging instrument
Derivative [Line Items]
Derivative, gain (loss) on derivative, net	$ (0.4)	$ 0.1	$ 1.3	$ (0.1)
Economic Hedge | Not designated as hedging instrument
Derivative [Line Items]
Derivative, gain (loss) on derivative, net	$ (0.5)	$ 0.5	$ (1.4)	$ 0.5

Borrowings (Details)

Borrowings (Details) $ in Millions	Apr. 27, 2016	Sep. 30, 2017USD ($)	Sep. 30, 2016	Dec. 31, 2016USD ($)
Debt Instrument [Line Items]
Document Fiscal Year Focus		2,017
Long-term borrowings [Abstract]
Long-term debt		$ 311.2		$ 298.2
Less: current maturities		13.3		9.7
Long-term portion		297.9		288.5
Term Loan and Revolving Credit Facility Due January 2019
Long-term borrowings [Abstract]
Long-term debt		171		163.1
Less: current maturities		14.2		10.6
Long-term portion		156.8		152.5
Fourth Amendment April 2016
Long-term borrowings [Abstract]
Debt Instrument, Covenant, EBITDA to Interest Ratio, Minimum	3.25
Debt Instrument, Covenant, Debt to EBITDA, Maximum	3.75
Debt Instrument, Covenant, Senior Secured Leverage Ratio, Maximum	3.25
Convertible Debt | Convertible Notes Due Twenty Twenty One
Long-term borrowings [Abstract]
Convertible notes payable		$ 140.2		135.1
Senior Notes
Long-term borrowings [Abstract]
Debt Instrument, Term		5 years
Senior Notes | Term Loan due January 2019
Long-term borrowings [Abstract]
Long-term debt		$ 111.3		118.5
Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year		3.6
Long-term Debt, Maturities, Repayments of Principal in Year Two		14.4
Long-term Debt, Maturities, Repayments of Principal in Year Three		153.3
Long-term Debt, Maturities, Repayments of Principal in Year Four		0
Long-term Debt, Maturities, Repayments of Principal in Year Five		172.5
Line of Credit | Revolving Credit Facility
Long-term borrowings [Abstract]
Secured revolving credit facility, maximum borrowing capacity		$ 300
Debt Instrument, Term		5 years
Line of Credit | Revolving Credit Facility | Revolving Credit Facility due January 2019
Long-term borrowings [Abstract]
Long-term debt		$ 60		$ 45
Credit Facilities | Minimum
Long-term borrowings [Abstract]
Line of Credit Facility, Commitment Fee Percentage		0.20%
Credit Facilities | Maximum
Long-term borrowings [Abstract]
Line of Credit Facility, Commitment Fee Percentage		0.40%
Credit Facilities | Weighted Average
Long-term borrowings [Abstract]
Line of Credit Facility, Commitment Fee Percentage		0.37%	0.40%
Credit Facilities | LIBOR
Long-term borrowings [Abstract]
Debt Instrument, Interest Rate, Effective Percentage		3.68%	2.71%
Credit Facilities | LIBOR | Minimum
Long-term borrowings [Abstract]
Debt Instrument, Basis Spread on Variable Rate		1.25%
Credit Facilities | LIBOR | Maximum
Long-term borrowings [Abstract]
Debt Instrument, Basis Spread on Variable Rate		2.25%

Borrowings Convertible Debt (De

Borrowings Convertible Debt (Details) $ / shares in Units, $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2017USD ($)$ / shares	Sep. 30, 2016USD ($)	Jun. 30, 2016USD ($)	Sep. 30, 2017USD ($)$ / shares	Sep. 30, 2016USD ($)	Dec. 31, 2016USD ($)	May 04, 2016USD ($)$ / shares
Schedule of Convertible Debt [Line Items]
Document Fiscal Year Focus				2,017
Debt Instrument, Convertible, Conversion Ratio				54.2741
Debt Instrument, Convertible, Conversion Price | $ / shares	$ 18.4250			$ 18.4250
Purchase of convertible note hedges				$ 0	$ 44.5
Proceeds from Issuance of Warrants				0	39.1
Convertible Notes Due Twenty Twenty One | Convertible Debt
Schedule of Convertible Debt [Line Items]
Interest rate stated percentage (as a percentage)							3.25%
Debt Instrument, Face Amount	$ 172.5			172.5		$ 172.5	$ 172.5
Debt Issuance Costs, Net	5			5
Debt Issuance Costs Attributable to the Equity Component				1.3
Deferred Tax Assets, Net	0.5			0.5
Debt Instrument, Unamortized Discount	(32.3)			(32.3)		(37.4)
Convertible notes payable	140.2			140.2		135.1
Convertible Debt, Current	(0.9)			(0.9)		(0.9)
Convertible Debt, Noncurrent	141.1			141.1		136
Debt Instrument, Convertible, Carrying Amount of Equity Component	29.9			29.9		$ 29.9
Debt Instrument, Fair Value Disclosure	194.7			194.7
Interest Expense, Debt, Excluding Amortization	1.4	$ 1.4		4.2	2.4
Amortization of Financing Costs	0.3	0.3		0.7	0.4
Amortization of Debt Discount (Premium)	1.4	1.4		4.3	2.3
Interest Expense, Debt	$ 3.1	$ 3.1		$ 9.2	$ 5.1
Purchase of convertible note hedges			$ 44.5
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares							$ 21.1050
Proceeds from Issuance of Warrants			$ 39.1

Borrowings Schedule of Term Loa

Borrowings Schedule of Term Loan and Revolving Credit Facility (Details) $ in Millions	Apr. 27, 2016	Sep. 30, 2017USD ($)	Sep. 30, 2016USD ($)	Dec. 31, 2016USD ($)
Long-term borrowings [Abstract]
Long-term debt		$ 311.2		$ 298.2
Less: current maturities		13.3		9.7
Long-term portion		297.9		288.5
Interest Paid, Net		7.3	$ 7.6
Term Loan due January 2019
Long-term borrowings [Abstract]
Debt Issuance Costs, Net		0.3		0.4
Term Loan and Revolving Credit Facility Due January 2019
Long-term borrowings [Abstract]
Long-term debt		171		163.1
Less: current maturities		14.2		10.6
Long-term portion		156.8		152.5
Debt Issuance Costs, Current, Net		$ 0.2
Fourth Amendment April 2016
Long-term borrowings [Abstract]
Debt Instrument, Covenant, EBITDA to Interest Ratio, Minimum	3.25
Debt Instrument, Covenant, Debt to EBITDA, Maximum	3.75
Debt Instrument, Covenant, Senior Secured Leverage Ratio, Maximum	3.25
Senior Notes
Long-term borrowings [Abstract]
Debt Instrument, Term		5 years
Senior Notes | Term Loan due January 2019
Long-term borrowings [Abstract]
Long-term debt		$ 111.3		118.5
Line of Credit | Revolving Credit Facility
Long-term borrowings [Abstract]
Secured revolving credit facility, maximum borrowing capacity		$ 300
Debt Instrument, Term		5 years
Line of Credit | Revolving Credit Facility | Revolving Credit Facility due January 2019
Long-term borrowings [Abstract]
Long-term debt		$ 60		$ 45
Minimum | Credit Facilities
Long-term borrowings [Abstract]
Line of Credit Facility, Commitment Fee Percentage		0.20%
Maximum | Credit Facilities
Long-term borrowings [Abstract]
Line of Credit Facility, Commitment Fee Percentage		0.40%
Weighted Average | Credit Facilities
Long-term borrowings [Abstract]
Line of Credit Facility, Commitment Fee Percentage		0.37%	0.40%
LIBOR | Credit Facilities
Long-term borrowings [Abstract]
Debt Instrument, Interest Rate, Effective Percentage		3.68%	2.71%
LIBOR | Minimum | Credit Facilities
Long-term borrowings [Abstract]
Debt Instrument, Basis Spread on Variable Rate		1.25%
LIBOR | Maximum | Credit Facilities
Long-term borrowings [Abstract]
Debt Instrument, Basis Spread on Variable Rate		2.25%

Other Comprehensive Loss - OCI

Other Comprehensive Loss - OCI (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Foreign currency translation adjustments [Abstract]
Foreign currency translation	$ 4.9	$ 27.2	$ 25	$ 37.1
Foreign currency translation, tax	0	0	0	0
Foreign currency translation, net of tax	4.9	27.2	25	37.1
Changes in fair value of cash flow hedges:
Changes in fair value of cash flow hedges, before tax	0.5	(0.1)	4.2	(0.5)
Changes in fair value of cash flow hedges, tax	(0.1)	0	(0.5)	0.1
Changes in fair value of cash flow hedges, net of tax	0.4	(0.1)	3.7	(0.4)
Total other comprehensive earnings [Abstract]
Other comprehensive loss, before tax	5.4	27.1	29.2	36.6
Other comprehensive loss, tax	(0.1)	0	(0.5)	0.1
Other comprehensive earnings, net of tax	5.3	27.1	28.7	36.7
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	$ (0.4)	$ (0.1)	$ 1.3	$ 0.1

Other Comprehensive Loss - AOCI

Other Comprehensive Loss - AOCI (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax	$ (0.4)	$ (0.1)	$ 1.3	$ 0.1
Foreign currency translation, net of tax	4.9	27.2	25	37.1
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Beginning balance			(132.1)	(126.2)
Other comprehensive earnings, net of tax	5.3	27.1	28.7	36.7
Ending balance	(103.4)	(89.5)	(103.4)	(89.5)
Term Loan and Revolving Credit Facility Due January 2019
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Beginning balance			(3.2)	(1.6)
Other comprehensive earnings, net of tax			3.7	(0.4)
Ending balance	0.5	(2)	0.5	(2)
Cumulative foreign currency translation adjustments
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Beginning balance			(112.3)	(113.1)
Other comprehensive earnings, net of tax			25	37.1
Ending balance	(87.3)	(76)	(87.3)	(76)
Employee benefit plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Beginning balance			(16.6)	(11.5)
Other comprehensive earnings, net of tax			0	0
Ending balance	$ (16.6)	$ (11.5)	$ (16.6)	$ (11.5)

Income Taxes (Details)

Income Taxes (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2017	Jun. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Tax Holiday [Line Items]
Effective tax rate (benefit) provision	2.50%		0.00%	(62.00%)	(70.40%)
Effective income tax rate reconciliation, discrete items	$ (3.5)		$ (4.4)	$ (1.4)	$ (3.4)
Pre-discrete tax rate (benefit) provision	(24.70%)		(21.10%)	(73.60%)	(133.30%)
Domestic Tax Authority [Member]
Income Tax Holiday [Line Items]
Effective income tax rate reconciliation, discrete items		$ 2.9
Foreign Tax Authority
Income Tax Holiday [Line Items]
Effective income tax rate reconciliation, discrete items	$ (3.8)				$ (4.7)
Effective income tax rate reconciliation, tax holiday	$ 7.8		$ 12	$ 11.9	$ 18.2
Holiday benefit (usd per share)	$ 0.09		$ 0.14	$ 0.13	$ 0.21
income tax holiday, discrete tax impact of deferred tax assets, income tax benefits per share					$ 0.05

Equity Incentive Program - Stoc

Equity Incentive Program - Stock Options and SSARs (Details) - USD ($) $ / shares in Units, $ in Millions	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Document Fiscal Year Focus	2,017
SSARs
Number of Shares [Roll Forward]
Beginning balance	898,718
Granted	0
Exercised	31,665
Forfeited	0
Expired	(16,537)
Ending balance	850,516
Exercised	850,516
Weighted Average Grant Date Fair Value
Beginning balance	$ 21.25
Granted	0
Exercised	12.33
Forfeited	0
Expired	23.20
Ending balance	21.54
Exercisable	$ 21.54
SARS and Options, Additional Disclosures
SSARs, aggregate intrinsic value, outstanding	$ 0.2
SSARs, aggregate intrinsic value, exercisable	$ 0.2
SSARs, weighted average remaining contractual terms, outstanding	4 years 4 months
SSARs, weighted average remaining contractual term, exercisable	4 years 4 months
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Dividend yield	0.00%	0.00%
Expected life (years)	4 years 6 months	4 years 6 months
Stock Options, Number of Shares
Beginning balance	4,684,117
Granted	787,010
Exercised	226,368
Forfeited	(273,050)
Expired	(77,166)
Ending balance	4,894,543
Exercisable	2,230,395
Stock Options, Weighted Average Exercise Price
Beginning balance	$ 18.03
Granted	19.17
Exercised	14.36
Forfeited	15.49
Expired	25.33
Ending balance	18.38
Exercisable	$ 20.54
SARS and Options, Additional Disclosures
Options, aggregate intrinsic value, outstanding	$ 6.8
Options, aggregate intrinsic value, exercisable	$ 2.1
Options, weighted average remaining contractual term, outstanding	5 years
Options, weighted average remaining contractual term, exercisable	4 years 5 months
Minimum | Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Risk-free interest rate	1.73%	1.04%
Volatility	38.10%	37.00%
Fair value at date of grant	$ 6.07	$ 3.76
Maximum | Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions and Methodology [Abstract]
Risk-free interest rate	1.93%	1.12%
Volatility	38.80%	39.60%
Fair value at date of grant	$ 6.73	$ 4.27

Equity Incentive Program - RSUs

Equity Incentive Program - RSUs (Details) - Restricted Stock Units (RSUs)	9 Months Ended
	Sep. 30, 2017$ / sharesshares
Number of Shares [Roll Forward]
Beginning balance | shares	2,074,998
Granted | shares	1,305,818
Vested | shares	(788,168)
Forfeited | shares	(369,542)
Ending balance | shares	2,223,106
Weighted Average Grant Date Fair Value
Beginning balance | $ / shares	$ 14.94
Granted | $ / shares	18.67
Vested | $ / shares	16.13
Forfeited | $ / shares	15.72
Ending balance | $ / shares	$ 16.55

Equity Incentive Program Equity

Equity Incentive Program Equity Incentive Program - PSUs (Details) - Performance Shares	9 Months Ended
	Sep. 30, 2017$ / sharesshares
Number of Shares [Roll Forward]
Beginning balance | shares	0
Granted | shares	176,000
Vested | shares	0
Forfeited | shares	0
Ending balance | shares	176,000
Weighted Average Grant Date Fair Value
Beginning balance | $ / shares	$ 0
Granted | $ / shares	15.32
Vested | $ / shares	0
Forfeited | $ / shares	0
Ending balance | $ / shares	$ 15.32

Equity Incentive Program - Addi

Equity Incentive Program - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	Feb. 28, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Allocated share-based compensation expense		$ 6.2	$ 5.2	$ 18.6	$ 16.2
SSARs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense		0		0
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense		9.3		$ 9.3
Weighted average period for compensation expense to be recognized				1 year 2 months
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense		26.9		$ 26.9
Weighted average period for compensation expense to be recognized				1 year 5 months
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense		$ 2.2		$ 2.2
Weighted average period for compensation expense to be recognized				2 years 5 months
Minimum | Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage increase of initial grant value	0.00%
Maximum | Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage increase of initial grant value	225.00%

Earnings per Share (Details)

Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Reconciliation of information used in computing basic and diluted earnings per share [Abstract]
Earnings (loss) from continuing operations	$ 15.4	$ 20.9	$ (19.6)	$ 1.6
Earnings (loss) from discontinued operations, net	0.3	(28.5)	2.4	(63.2)
Net earnings (loss)	$ 15.7	$ (7.6)	$ (17.2)	$ (61.6)
Basic earnings (loss) per common share:
Income (Loss) from Continuing Operations, Per Basic Share	$ 0.17	$ 0.24	$ (0.22)	$ 0.02
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share	0.01	(0.32)	0.03	(0.71)
Net loss	$ 0.18	$ (0.08)	$ (0.19)	$ (0.69)
Weighted average shares outstanding	89,469,996	88,720,888	89,270,103	88,637,001
Diluted earnings (loss) per common share:
Income (Loss) from Continuing Operations, Per Diluted Share	$ 0.17	$ 0.24	$ (0.22)	$ 0.02
Loss from discontinued operations, net	0	(0.32)	0.03	(0.71)
Net loss	$ 0.17	$ (0.08)	$ (0.19)	$ (0.69)
Diluted (in shares)	90,373,112	89,317,806	89,270,103	88,997,050
Weighted average number of anti-dilutive shares excluded from the calculation (in shares)	4,092,338	5,227,427	5,067,013	5,449,342

Segment Information (Details)

Segment Information (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017USD ($)	Sep. 30, 2016USD ($)	Sep. 30, 2017USD ($)segments	Sep. 30, 2016USD ($)	Dec. 31, 2016USD ($)
Segment Reporting Information [Line Items]
Assets	$ 1,553.9		$ 1,553.9		$ 1,515
Number of reportable segments | segments			2
Reconciliation from Segment Totals to Consolidated [Abstract]
Revenues	221.7	$ 243.1	$ 605.6	$ 618.7
Reconciliation of Net Earnings from Segments [Abstract]
Interest expense, net	5.1	5.6	15.4	15.1
Earnings (loss) before income taxes and discontinued operations	15.8	20.9	(12.1)	5.4
Provision for income taxes	0.4	0	7.5	3.8
Earnings (loss) from continuing operations	15.4	20.9	(19.6)	1.6
Assets of discontinued operations	0		0		0.9
Operating Segments
Reconciliation of Net Earnings from Segments [Abstract]
(Loss) earnings before interest and income taxes	34.7	41.8	47.9	60.9
Operating Segments | Audio
Segment Reporting Information [Line Items]
Assets	1,370.9		1,370.9		1,349.1
Reconciliation from Segment Totals to Consolidated [Abstract]
Revenues	167.8	193.4	450.1	471.6
Reconciliation of Net Earnings from Segments [Abstract]
(Loss) earnings before interest and income taxes	28.1	36.5	29.9	50.6
Operating Segments | Precision Devices
Segment Reporting Information [Line Items]
Assets	180.1		180.1		162.9
Reconciliation from Segment Totals to Consolidated [Abstract]
Revenues	53.9	49.7	155.5	147.1
Reconciliation of Net Earnings from Segments [Abstract]
(Loss) earnings before interest and income taxes	6.6	5.3	18	10.3
Corporate
Reconciliation of Net Earnings from Segments [Abstract]
Corporate expense / other	13.8	15.3	44.6	40.4
Segment Reconciling Items
Reconciliation of Net Earnings from Segments [Abstract]
Interest expense, net	(5.1)	$ (5.6)	(15.4)	$ (15.1)
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Assets	$ 2.9		$ 2.9		$ 2.1

Subsequent Events Narrative (De

Subsequent Events Narrative (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Oct. 26, 2017	Oct. 11, 2017	Dec. 31, 2016	May 04, 2016
Subsequent Event [Line Items]
Assets of discontinued operations	$ 0			$ 0.9
Liabilities of discontinued operation	0			$ 6
Discontinued Operations, Disposed of by Sale | Precision Devices
Subsequent Event [Line Items]
Assets of discontinued operations	84.4
Liabilities of discontinued operation	23
Revenues of discontinued operation	$ 77
Convertible Debt | Convertible Notes Due Twenty Twenty One
Subsequent Event [Line Items]
Interest rate stated percentage (as a percentage)					3.25%
Subsequent Event | Discontinued Operations, Disposed of by Sale | Precision Devices
Subsequent Event [Line Items]
Consideration received for disposal group		$ 130
Subsequent Event | Revolving Credit Facility
Subsequent Event [Line Items]
Secured revolving credit facility, maximum borrowing capacity			$ 400
Subsequent Event | Maximum Euro, Sterling and other currency borrowings
Subsequent Event [Line Items]
Secured revolving credit facility, maximum borrowing capacity			100
Subsequent Event | Maximum other currencies borrowings
Subsequent Event [Line Items]
Secured revolving credit facility, maximum borrowing capacity			50
Subsequent Event | Incremental Borrowings
Subsequent Event [Line Items]
Secured revolving credit facility, maximum borrowing capacity			$ 200