AVX (AVX) 10-Q 6 Nov 19 2020 Q2 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	6 Months Ended
	Sep. 30, 2019	Nov. 01, 2019
Document Information [Line Items]
Entity Central Index Key	0000859163
Entity Registrant Name	AVX Corp
Amendment Flag	false
Current Fiscal Year End Date	--03-31
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2020
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2019
Document Transition Report	false
Entity File Number	1-7201
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	33-0379007
Entity Address, Address Line One	1 AVX Boulevard
Entity Address, City or Town	Fountain Inn
Entity Address, State or Province	SC
Entity Address, Postal Zip Code	29644
City Area Code	864
Local Phone Number	967-2150
Title of 12(b) Security	Common Stock, $.01 par value per share
Trading Symbol	AVX
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		169,101,797

Consolidated Balance Sheets (Cu

Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2019	Mar. 31, 2019
Assets
Cash and cash equivalents	$ 396,826	$ 378,456
Short-term investments in securities	347,648	434,754
Accounts receivable - trade, net	235,537	256,991
Accounts receivable - affiliates	400	500
Inventories, net	680,099	631,688
Income taxes receivable	12,136	4,788
Prepaid and other	72,030	76,550
Total current assets	1,744,676	1,783,727
Property and equipment, net	488,689	455,757
Goodwill	327,571	316,675
Intangible assets, net	111,857	118,944
Deferred income taxes	88,715	75,938
Other assets	86,152	62,237
Total Assets	2,847,660	2,813,278
Liabilities and Stockholders' Equity
Accounts payable - trade	82,886	95,498
Accounts payable - affiliates	942	1,133
Income taxes payable	17,293	24,993
Accrued payroll and benefits	52,893	55,068
Accrued expenses	147,858	136,493
Total current liabilities	301,872	313,185
Income taxes payable	41,963	47,588
Pensions	9,879	9,543
Deferred income taxes	13,514	14,235
Other liabilities	58,079	44,547
Total Liabilities	425,307	429,098
Stockholders' Equity:
Preferred stock, par value $.01 per share: Authorized, 20,000 shares; None issued and outstanding	0	0
Common stock, par value $.01 per share: Authorized, 300,000 shares; issued, 176,369 shares; outstanding, 168,826 and 169,095 shares at March 31, 2019 and September 30, 2019, respectively	1,764	1,764
Additional paid-in capital	360,303	362,498
Retained earnings	2,205,828	2,156,584
Accumulated other comprehensive loss	(51,832)	(39,494)
Treasury stock, at cost: 7,543 and 7,274 shares at March 31, 2019 and September 30, 2019, respectively	(93,710)	(97,172)
Total Stockholders' Equity	2,422,353	2,384,180
Total Liabilities and Stockholders' Equity	$ 2,847,660	$ 2,813,278

Consolidated Balance Sheets (_2

Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares shares in Thousands	Sep. 30, 2019	Mar. 31, 2019
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	20,000	20,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	300,000	300,000
Common stock, shares issued (in shares)	176,369	176,369
Common stock, shares outstanding (in shares)	169,095	168,826
Teasury stock, shares (in shares)	7,274	7,543

Consolidated Statements of Oper

Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net Sales		$ 377,286	$ 456,328	$ 779,055	$ 910,444
Cost of sales		297,747	329,852	598,871	675,635
Gross profit		79,539	126,476	180,184	234,809
Selling, general and administrative expenses		42,093	40,839	84,025	81,154
Profit from operations		37,446	85,637	96,159	153,655
Other income (loss):
Interest income		4,187	4,055	9,054	7,538
Other, net		(561)	(760)	(932)	(1,491)
Income before income taxes		41,072	88,932	104,281	159,702
Provision for income taxes		7,616	16,863	16,148	31,670
Net income		$ 33,456	$ 72,069	$ 88,133	$ 128,032
Income per share:
Basic (in dollars per share)		$ 0.20	$ 0.43	$ 0.52	$ 0.76
Diluted (in dollars per share)		0.20	0.43	0.52	0.76
Dividends declared (per share) (in dollars per share)		$ 0.115	$ 0.115	$ 0.230	$ 0.230
Weighted average common shares outstanding:
Basic (in shares)		169,090	168,749	169,056	168,621
Diluted (in shares)	[1]	169,376	169,472	169,409	169,217
[1]	Common stock equivalents not included in the computation of diluted earnings per share because the impact would have been anti-dilutive were 14 shares and 6 shares for the three month periods ended September 30, 2018 and 2019, respectively and 14 shares and 16 shares for the six months ended September 30, 2018 and 2019, respectively.

Consolidated Statements of Comp

Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net income	$ 33,456	$ 72,069	$ 88,133	$ 128,032
Other comprehensive income (loss), net of income taxes
Foreign currency translation adjustment	(19,477)	1,310	(13,039)	(40,431)
Foreign currency cash flow hedges adjustment	115	126	(72)	189
Pension liability adjustment	(99)	216	773	2,846
Other comprehensive income (loss), net of income taxes	(19,461)	1,652	(12,338)	(37,396)
Comprehensive income	$ 13,995	$ 73,721	$ 75,795	$ 90,636

Consolidated Statements of Stoc

Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Mar. 31, 2018	168,434
Balance at Mar. 31, 2018	$ 1,764	$ (102,122)	$ 360,077	$ 1,962,467	$ 21,257	$ 2,243,443
Net income	0	0	0	128,032	0	128,032
Other comprehensive income (loss), net of income taxes	0	0	0	0	(37,396)	(37,396)
Dividends	0	0	0	(38,871)	0	(38,871)
Stock-based compensation expense	$ 0	0	1,848	0	0	1,848
Stock option activity (in shares)	361
Stock option activity	$ 0	5,357	(1,472)	0	0	3,885
Tax benefit on stock option exercises	0	0	413	0	0	413
Payment of tax withholding for vested restricted stock units	$ 0	0	(790)	0	0	(790)
Treasury stock purchased (in shares)	0
Treasury stock purchased	$ 0	(811)	0	0	0	(811)
Balance (in shares) at Sep. 30, 2018	168,795
Balance at Sep. 30, 2018	$ 1,764	(97,576)	360,076	2,051,628	(16,139)	2,299,753
Balance (in shares) at Jun. 30, 2018	168,529
Balance at Jun. 30, 2018	$ 1,764	(100,993)	358,775	1,998,964	(17,791)	2,240,719
Net income	0	0	0	72,069	0	72,069
Other comprehensive income (loss), net of income taxes	0	0	0	0	1,652	1,652
Dividends	0	0	0	(19,405)	0	(19,405)
Stock-based compensation expense	$ 0	0	1,010	0	0	1,010
Stock option activity (in shares)	266
Stock option activity	$ 0	3,417	(78)	0	0	3,339
Tax benefit on stock option exercises	0	0	437	0	0	437
Payment of tax withholding for vested restricted stock units	$ 0	0	(68)	0	0	(68)
Balance (in shares) at Sep. 30, 2018	168,795
Balance at Sep. 30, 2018	$ 1,764	(97,576)	360,076	2,051,628	(16,139)	$ 2,299,753
Balance (in shares) at Mar. 31, 2019	168,826					168,826
Balance at Mar. 31, 2019	$ 1,764	(97,172)	362,498	2,156,584	(39,494)	$ 2,384,180
Net income	0	0	0	88,133	0	88,133
Other comprehensive income (loss), net of income taxes	0	0	0	0	(12,338)	(12,338)
Dividends	0	0	0	(38,889)	0	(38,889)
Stock-based compensation expense	$ 0	0	1,650	0	0	1,650
Stock option activity (in shares)	269
Stock option activity	$ 0	3,462	(2,658)	0	0	804
Tax benefit on stock option exercises	0	0	194	0	0	194
Payment of tax withholding for vested restricted stock units	$ 0	0	(1,381)	0	0	$ (1,381)
Balance (in shares) at Sep. 30, 2019	169,095					169,095
Balance at Sep. 30, 2019	$ 1,764	(93,710)	360,303	2,205,828	(51,832)	$ 2,422,353
Balance (in shares) at Jun. 30, 2019	169,081
Balance at Jun. 30, 2019	$ 1,764	(93,882)	359,831	2,191,817	(32,371)	2,427,159
Net income	0	0	0	33,456	0	33,456
Other comprehensive income (loss), net of income taxes	0	0	0	0	(19,461)	(19,461)
Dividends	0	0	0	(19,445)	0	(19,445)
Stock-based compensation expense	$ 0	0	654	0	0	654
Stock option activity (in shares)	14
Stock option activity	$ 0	172	(164)	0	0	8
Tax benefit on stock option exercises	0	0	59	0	0	59
Payment of tax withholding for vested restricted stock units	$ 0	0	(77)	0	0	$ (77)
Balance (in shares) at Sep. 30, 2019	169,095					169,095
Balance at Sep. 30, 2019	$ 1,764	$ (93,710)	$ 360,303	$ 2,205,828	$ (51,832)	$ 2,422,353

Consolidated Statements of St_2

Consolidated Statements of Stockholders' Equity (Unaudited) (Parentheticals) - $ / shares	3 Months Ended		6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Dividends paid per share (in dollars per share)	$ 0.115	$ 0.115	$ 0.230	$ 0.230

Consolidated Statements of Cash

Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating Activities:
Net income	$ 88,133	$ 128,032
Adjustment to reconcile net income to net cash from operating activities:
Depreciation and amortization	45,296	41,937
Stock-based compensation expense	1,650	1,848
Deferred income taxes	(12,009)	(1,455)
Loss (gain) on disposal of property and equipment	(655)	258
Loss from equity-method investments	539	36
Changes in operating assets and liabilities, excluding acquisitions:
Accounts receivable	21,403	17,196
Inventories	(50,136)	(42,626)
Accounts payable and accrued expenses	(15,285)	8,796
Income taxes payable	(35,300)	(8,004)
Other assets	(23,018)	(19,094)
Other liabilities	37,996	11,537
Net cash provided by operating activities	58,614	138,461
Investing Activities:
Purchases of property and equipment	(71,581)	(65,016)
Purchase of business, net of cash and debt acquired	(9,907)	(12,317)
Purchases of investment securities	(801,854)	(699,887)
Redemptions of investment securities	888,554	621,640
Other investing activities	1,792	(951)
Net cash (used in) provided by investing activities	7,004	(156,531)
Financing Activities:
Dividends paid	(38,889)	(38,785)
Net change of equity awards	(385)	3,509
Purchase of treasury stock	0	(811)
Principle payments of debt	0	(1,893)
Payments of tax withholdings for vested restricted stock units	(1,381)	(790)
Net cash used in financing activities	(40,655)	(38,770)
Effect of exchange rate on cash	(1,016)	(2,679)
(Decrease) increase in cash and cash equivalents	23,947	(59,519)
Cash, cash equivalents, and restricted cash at beginning of period	400,625	547,415
Cash, cash equivalents, and restricted cash at end of period	424,572	487,896
Reconciliation of cash, cash equivalents, and restricted cash to the Balance Sheet
Cash and cash equivalents	396,826	487,896
Restricted cash	27,746	0
Total cash, cash equivalents, and restricted cash to the Balance Sheet	$ 400,625	$ 547,415

Note 1 - Basis of Presentation

Note 1 - Basis of Presentation	6 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]	1. The consolidated financial statements of AVX Corporation and its subsidiaries (“AVX” or the “Company”) include all accounts of the Company and its subsidiaries. All significant intercompany transactions and accounts have been eliminated. The Company has prepared the accompanying financial statements pursuant to the rules and regulations of the Securities and Exchange Commission (“SEC”) for interim financial reporting. These consolidated financial statements are unaudited and, in the opinion of management, include all adjustments, consisting of normal recurring adjustments and accruals, necessary for the fair statement of the consolidated balance sheets, operating results, comprehensive income, statements of stockholders’ equity and cash flows for the periods presented. Operating results for the three six September 30, 2019 not may March 31, 2020 10 March 31, 2019. Summary of Significant Accounting Policies We have identified the accounting policies and estimates that are critical to our business operations and understanding our results of operations. Those policies and estimates can be found in Note 1, 10 March 31, 2019. 10 10 March 31, 2019. three six September 30, 2019, no During the six September 30, 2019, Reclassifications Certain amounts in the prior year consolidated financial statements have been reclassified to the current year presentation. The impact of the reclassifications made to prior year amounts is not not Relevant New Accounting Standards In 2016, 2016 02, April 1, 2019, 840, not not 2020, not twelve 2016 02 April 1, 2019, September 30, 2019. September 30, 2019. 2 In June 2016, 2016 13, December 15, 2019. 2016 13 In August 2017, 2017 12, December 15, 2018, October 2018, 2018 16, 815 815. December 15, 2018, not 2017 12, 2018 16 2017 12 2018 16 April 1, 2019. not In February 2018, 2018 02, 2017. December 15, 2018, 2018 02 April 1, 2019 not not In August 2018, 2018 13, 2018 13 1 2 3 2018 13 3 3 3 2018 13 December 15, 2019. In August 2018, 2018 14, not December 15, 2020, 2018 14 2018 14 In August 2018, 2018 15, December 15, 2019, April 1, 2019, 2018 15 not We have reviewed other newly issued accounting pronouncements and concluded that they are either not no

Note 2 - Leases

Note 2 - Leases	6 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Lessee, Operating Leases [Text Block]	2 . Leases: As discussed in Note 1, April 1, 2019. not not 1 2 3 The Company’s operating leases consist of automobiles, machinery and equipment, and real estate, including office, storage and parking spaces. The duration of these leases range from 1 to 6 years. The Company has no 12 12 not 2020 When available, we use the rate implicit in the lease to discount lease payments to present value; however, most of our leases do not The following table presents our lease balances: Classification on the Balance Sheet As of September 30, 2019 Assets Operating lease assets Other assets $ 19,058 Liabilities Current Operating Accrued expenses $ 5,989 Noncurrent Operating Other liabilities 12,903 Total lease liabilities $ 18,892 The following table presents our lease costs for operating leases: Three months ended Six months ended September 30, 2019 September 30, 2019 Operating lease cost $ 1,450 $ 2,585 Short-term lease cost 173 708 Variable lease cost 445 889 Total lease cost $ 2,068 $ 4,182 The Company paid $1,839 and $4,090 for its operating leases in the three six September 30, 2019, September 30, 2019. The following table reconciles the undiscounted cash flows for each of the first five September 30, 2019: Fiscal Year Ending 2020 $ 3,240 2021 6,437 2022 5,031 2023 2,474 2024 1,409 Thereafter 1,497 Total operating lease payments $ 20,088 Less imputed interest 1,196 Total operating lease liabilities $ 18,892 As of April 1, 2019, Fiscal Year Ending 2020 $ 6,642 2021 4,742 2022 3,218 2023 2,372 2024 445 Thereafter 1,856 Total operating lease payments $ 19,275

Note 3 - Earnings Per Share

Note 3 - Earnings Per Share	6 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Earnings Per Share [Text Block]	3 . Earnings per Share: Basic earnings per share are computed by dividing net earnings by the weighted average number of shares of common stock outstanding for the period. Diluted earnings per share are computed by dividing net earnings by the sum of (a) the weighted average number of shares of common stock outstanding during the period and (b) the dilutive effect of potential common stock equivalents during the period. Stock options and unvested service-based RSU awards make up the common stock equivalents and are computed using the treasury stock method. The table below represents the basic and diluted earnings per share and sets forth the weighted average number of shares of common stock outstanding and potential common stock equivalents for the three six September 30, 2018 2019. Three Months Ended Six Months Ended September 30, September 30, 2018 2019 2018 2019 Net income $ 72,069 $ 33,456 $ 128,032 $ 88,133 Computation of Basic EPS: Weighted Average Shares Outstanding used in Computing Basic EPS 168,749 169,090 168,621 169,056 Basic earnings per share $ 0.43 $ 0.20 $ 0.76 $ 0.52 Computation of Diluted EPS: Weighted Average Shares Outstanding used in Computing Basic EPS 168,749 169,090 168,621 169,056 Effect of stock awards 723 286 596 353 Weighted Average Shares used in Computing Diluted EPS (1) 169,472 169,376 169,217 169,409 Diluted earnings per share $ 0.43 $ 0.20 $ 0.76 $ 0.52 ( 1 Common stock equivalents not three September 30, 2018 2019, six September 30, 2018 2019,

Note 4 - Trade Accounts Receiva

Note 4 - Trade Accounts Receivable and Contract Liabilities	6 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	4 . Trade Accounts Receivable and Contract Liabilities: March 31, 2019 September 30, 2019 Gross Accounts Receivable - trade $ 273,053 $ 252,910 Less: Allowances for doubtful accounts 1,276 1,670 Stock rotation and ship from stock and debt 14,140 14,756 Sales returns and discounts 646 947 Total allowances 16,062 17,373 Accounts Receivable - trade, net $ 256,991 $ 235,537 Charges related to allowances for doubtful accounts are charged to selling, general and administrative expenses. Charges related to stock rotation, ship from stock and debit, sales returns, and sales discounts are reported as deductions from revenue. Please refer to Note 10, Three Months Ended Six Months Ended September 30, September 30, 2018 2019 2018 2019 Allowances for doubtful accounts: Beginning balance $ 1,294 $ 1,167 $ 1,893 $ 1,276 Charges 49 546 81 572 Applications (16 ) (33 ) (647 ) (170 ) Translation, acquisition and other - (10 ) - (8 ) Ending balance $ 1,327 $ 1,670 $ 1,327 $ 1,670 Three Months Ended Six Months Ended September 30, September 30, 2018 2019 2018 2019 Stock rotation and ship stock and debit: Beginning balance $ 9,869 $ 14,350 $ 15,989 $ 14,140 Charges 7,072 5,290 13,464 10,588 Applications (6,740 ) (4,884 ) (12,926 ) (9,972 ) Stock rotation reclassified to liability - - (6,326 ) - Ending balance $ 10,201 $ 14,756 $ 10,201 $ 14,756 Three Months Ended Six Months Ended September 30, September 30, 2018 2019 2018 2019 Sales returns and discounts: Beginning balance $ 589 $ 483 $ 6,875 $ 646 Charges 1,974 1,906 2,060 3,494 Applications (2,219 ) (1,474 ) (2,434 ) (3,193 ) Sales returns reclassified to liability - - (6,157 ) - Translation, acquisition and other (6 ) 32 (6 ) - Ending balance $ 338 $ 947 $ 338 $ 947 Three Months Ended Six Months Ended September 30, September 30, 2018 2019 2018 2019 Contract liabilities: Beginning balance $ 13,869 $ 16,597 $ - $ 15,753 Increase due to adoption of ASC 606 - - 12,483 - Charges 4,452 4,505 10,673 7,375 Applications (3,500 ) (6,357 ) (8,319 ) (8,392 ) Translation, acquisition and other 1 (54 ) (15 ) (45 ) Ending balance $ 14,822 $ 14,691 $ 14,822 $ 14,691

Note 5 - Fair Value

Note 5 - Fair Value	6 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Fair Value Disclosures [Text Block]	5 . Fair Value: Fair Value Hierarchy: The fair value framework requires the categorization of assets and liabilities into three 1 3 three ■ Level 1 ■ Level 2 1. ■ Level 3 During the three six September 30, 2019, no Based on Quoted prices Other in active observable Unobservable Fair Value at markets inputs inputs March 31, 2019 (Level 1) (Level 2) (Level 3) Assets measured at fair value on a recurring basis: Assets held in the non-qualified deferred compensation program(1) $ 4,693 $ 3,265 $ 1,428 $ - Foreign currency derivatives(2) 853 - 853 - Total $ 5,546 $ 3,265 $ 2,281 $ - Based on Quoted prices Other in active observable Unobservable Fair Value at markets inputs inputs March 31, 2019 (Level 1) (Level 2) (Level 3) Liabilities measured at fair value on a recurring basis: Obligation related to assets held in the non-qualified deferred compensation program(1) $ 4,693 $ 3,265 $ 1,428 $ - Foreign currency derivatives(2) 588 - 588 - Total $ 5,281 $ 3,265 $ 2,016 $ - Based on Quoted prices Other in active observable Unobservable Fair Value at markets inputs inputs September 30, 2019 (Level 1) (Level 2) (Level 3) Assets measured at fair value on a recurring basis: Assets held in the non-qualified deferred compensation program(1) $ 5,702 $ 4,058 $ 1,644 $ - Foreign currency derivatives(2) 1,106 - 1,106 - Total $ 6,808 $ 4,058 $ 2,750 $ - Based on Quoted prices Other in active observable Unobservable Fair Value at markets inputs inputs September 30, 2019 (Level 1) (Level 2) (Level 3) Liabilities measured at fair value on a recurring basis: Obligation related to assets held in the non-qualified deferred compensation program(1) $ 5,702 $ 4,058 $ 1,644 $ - Foreign currency derivatives(2) 1,660 - 1,660 - Total $ 7,362 $ 4,058 $ 3,304 $ - ( 1 ( 2 not Valuation Techniques: The following describes valuation techniques used to appropriately value our assets held in the non-qualified deferred compensation plan and derivatives. Assets held in the non-qualified deferred compensation plan Assets valued using Level 1 2 Investments are considered to be impaired when a decline in fair value is judged to be other-than-temporary. If the cost of an investment exceeds its fair value, among other factors, we evaluate general market conditions, the duration and extent to which the fair value is less than cost, and whether or not Derivatives We primarily use forward contracts, with maturities generally less than four not March 31, 2019 September 30, 2019, 2

Note 6 - Financial Instruments

Note 6 - Financial Instruments and Investments in Securities	6 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]	6. At March 31, 2019 September 30, 2019, Our long-term and short-term investment securities are accounted for as held-to-maturity securities and are carried at amortized cost. We have the ability and intent to hold these investments until maturity. All income generated from the held-to-maturity securities investments are recorded as interest income. Investments in held-to-maturity securities, recorded at amortized cost, were as follows: March 31, 2019 Gross Gross Unrealized Unrealized Estimated Cost Gains Losses Fair Value Short-term investments: Time deposits $ 434,754 $ 184 $ - $ 434,938 September 30, 2019 Gross Gross Unrealized Unrealized Estimated Cost Gains Losses Fair Value Short-term investments: Time deposits $ 347,648 $ 362 $ - $ 348,010 The amortized cost and estimated fair value of held-to-maturity investments at September 30, 2019, two 2 may may Held-to-Maturity Amortized Estimated Cost Fair Value Due in one year or less $ 347,648 $ 348,010

Note 7 - Inventories

Note 7 - Inventories	6 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Inventory Disclosure [Text Block]	7. March 31, 2019 September 30, 2019 Finished goods $ 102,373 $ 101,880 Work in process 142,475 149,513 Raw materials 386,840 428,706 Total Inventories, net $ 631,688 $ 680,099

Note 8 - Commitments and Contin

Note 8 - Commitments and Contingencies	6 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Commitments and Contingencies Disclosure [Text Block]	8. We have been identified by the United States Environmental Protection Agency (“EPA”), state governmental agencies or other private parties as a potentially responsible party (“PRP”) under the Comprehensive Environmental Response, Compensation and Liability Act (“CERCLA”), or equivalent non-U.S., state or local laws, for clean-up and response costs associated with certain sites at which remediation is required with respect to prior contamination. Because CERCLA or such state statutes authorize joint and several liability, the EPA or non-U.S., state or local regulatory authorities could seek to recover all clean-up costs from any one To resolve our liability at the sites at which we have been named a PRP, we have entered into various administrative orders and consent decrees with federal and state regulatory agencies governing the timing and nature of investigation and remediation. As is customary, the orders and decrees regarding sites where the PRPs are not On June 3, 2010, may March 31, 2019 September 30, 2019, no We had total reserves of approximately $26,371 and $25,329 at March 31, 2019 September 30, 2019, March 31, 2019 September 30, 2019, March 31, 2019 September 30, 2019, On April 19, 2016, one may In connection with the same location, Union Gas Limited and Coca-Cola Refreshments Canada Company filed suits in the Superior Court of Justice for Ontario, Canada, against AVX Corporation, Aerovox Corp. and Cooper Industries, LLC seeking to recover the costs of remediation of the site and for damages associated with alleged contamination of the site. Those suits were filed on April 18, 2018, not October 11, 2018, We also operate, or did at one may may may not not not third We are not not may no not On April 25, 2013, Greatbatch, Inc. v. AVX Corporation January 26, 2016, first second 2016. March 30, 2018. 2018, January 15, 2019 March 31, 2019. March 31, 2019 three September 30, 2019, On September 2, 2014, Presidio Components, Inc. v. American Technical Ceramics Corp April 18, 2016, August 17, 2016, November 16, 2016. October 21, 2016, March 17, 2017 June 17, 2016. November 16, 2016 December 2017, June 2018, As of September 30, 2019, During calendar year 2014, October 2, 2014. not not We are involved in other disputes, warranty, and legal proceedings arising in the normal course of business. While we cannot predict the outcome of these other disputes and proceedings, we believe, based upon a review with legal counsel, that none may

Note 9 - Comprehensive Income (

Note 9 - Comprehensive Income (Loss)	6 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Comprehensive Income (Loss) Note [Text Block]	9. Comprehensive income (loss) represents changes in equity during a period except those resulting from investments by and distributions to shareholders. The specific components include net income, pension liability and other post-retirement benefit adjustments, deferred gains and losses resulting from foreign currency translation adjustments and unrealized gains and losses on qualified foreign currency cash flow hedges. Other comprehensive income (loss) includes the following components: Three Months Ended September 30, 2018 2019 Pre-tax Net of Tax Pre-tax Net of Tax Foreign currency translation adjustment $ 1,310 $ 1,310 $ (19,477 ) $ (19,477 ) Foreign currency cash flow hedges adjustment 171 126 124 115 Pension liability adjustment 272 216 (119 ) (99 ) Other comprehensive income (loss) $ 1,753 $ 1,652 $ (19,472 ) $ (19,461 ) Six Months Ended September 30, 2018 2019 Pre-tax Net of Tax Pre-tax Net of Tax Foreign currency translation adjustment $ (40,431 ) $ (40,431 ) $ (13,039 ) $ (13,039 ) Foreign currency cash flow hedges adjustment 248 189 (89 ) (72 ) Pension liability adjustment 3,579 2,846 976 773 Other comprehensive income (loss) $ (36,604 ) $ (37,396 ) $ (12,152 ) $ (12,338 ) Amounts reclassified out of accumulated other comprehensive income (loss) into net income include those that pertain to the Company’s pension and postretirement benefit plans and realized gains and losses on derivative instruments designated as cash flow hedges. Please see Note 11 three six September 30, 2018 2019. 12 three six September 30, 2018 2019.

Note 10 - Segment and Geographi

Note 10 - Segment and Geographic Information	6 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Segment Reporting Disclosure [Text Block]	10. Our operating segments are based on the types of products from which we generate revenues. We are organized into a product line organization with four product groups and two reportable segments. Our four We evaluate performance of our segments based upon sales and operating profit. There are no intersegment revenues. We allocate the costs of shared resources between segments based on each segment’s usage of the shared resources. Cash, accounts receivable, investments in securities, and certain other assets, which are centrally managed, are not The tables below present information about reportable segments: Three Months Ended Six Months Ended September 30, September 30, Sales Revenue: 2018 2019 2018 2019 Ceramic Components $ 102,678 $ 87,897 $ 181,514 $ 194,520 Tantalum Components 105,702 59,450 206,734 122,174 Advanced Components 123,849 109,295 263,193 217,428 Total Electronic Components 332,229 256,642 651,441 534,122 Interconnect, Sensing and Control Devices 124,100 120,644 259,004 244,933 Total Revenue $ 456,328 $ 377,286 $ 910,444 $ 779,055 Three Months Ended Six Months Ended September 30, September 30, 2018 2019 2018 2019 Operating profit (loss): Electronic Components $ 104,135 $ 61,305 $ 190,545 $ 139,831 Interconnect, Sensing and Control Devices 2,283 (4,112 ) (467 ) (3,436 ) Corporate activities (20,781 ) (19,747 ) (36,423 ) (40,236 ) Total $ 85,637 $ 37,446 $ 153,655 $ 96,159 As of As of March 31, 2019 September 30, 2019 Assets: Electronic Components $ 659,933 $ 766,529 Interconnect, Sensing and Control Devices 265,682 278,432 Cash, A/R, and investments in securities 1,070,701 980,411 Goodwill - Electronic Components 271,374 283,292 Goodwill - Interconnect, Sensing and Control Devices 45,301 44,279 Corporate activities 500,287 494,717 Total $ 2,813,278 $ 2,847,660 The following geographic data is based upon net sales generated by operations located within particular geographic areas. Substantially all of the sales in the Americas region were generated in the United States. Three Months Ended Six Months Ended September 30, September 30, 2018 2019 2018 2019 Net sales: Americas $ 126,004 $ 105,344 $ 240,571 $ 220,568 Europe 184,004 158,564 382,408 327,762 Asia 146,320 113,378 287,465 230,725 Total $ 456,328 $ 377,286 $ 910,444 $ 779,055

Note 11 - Pension Plans

Note 11 - Pension Plans	6 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Pension and Other Postretirement Benefits Disclosure [Text Block]	11. Net periodic pension cost for our defined benefit plans consisted of the following for the three six September 30, 2018 2019: U.S. Plans International Plans Three Months Ended Three Months Ended September 30, September 30, 2018 2019 2018 2019 Service cost $ - $ - $ 212 $ 206 Interest cost 327 303 1,024 834 Expected return on plan assets (393 ) (415 ) (1,441 ) (1,245 ) Recognized actuarial loss 221 279 252 183 Net periodic pension cost $ 155 $ 167 $ 47 $ (22 ) U.S. Plans International Plans Six Months Ended Six Months Ended September 30, September 30, 2018 2019 2018 2019 Service cost $ - $ - $ 427 $ 412 Interest cost 655 606 2,070 1,714 Expected return on plan assets (786 ) (828 ) (2,912 ) (2,561 ) Recognized actuarial loss 442 470 508 377 Net periodic pension cost $ 311 $ 248 $ 93 $ (58 ) Based on current actuarial computations, during the six September 30, 2019, 2020. six September 30, 2019. 2020.

Note 12 - Derivative Financial

Note 12 - Derivative Financial Instruments	6 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Derivative Instruments and Hedging Activities Disclosure [Text Block]	12. We are exposed to foreign currency exchange rate fluctuations in the normal course of business. We use derivative instruments (forward contracts) to hedge certain foreign currency exposures as part of our risk management strategy. The objective is to offset gains and losses resulting from these exposures with gains and losses on the forward contracts used to hedge them, thereby reducing volatility of earnings or protecting fair values of assets and liabilities. We do not We primarily use forward contracts, with maturities less than four The effectiveness of the cash flow hedges is determined by comparing the cumulative change in the fair value of the hedge contract with the cumulative change in the fair value of the hedged transaction, both of which are based on forward rates. The effective portion of the gain or loss on these cash flow hedges is initially recorded in accumulated other comprehensive income (loss) as a separate component of stockholders’ equity. Once the hedged transaction is recognized, the gain or loss is recognized in our statement of operations. At March 31, 2019 September 30, 2019, March 31, 2019 Fair Value of Derivative Instruments Asset Derivatives Liability Derivatives Balance Balance Sheet Fair Sheet Fair Caption Value Caption Value Foreign exchange contracts Prepaid and other $ 570 Accrued expenses $ 318 September 30, 2019 Fair Value of Derivative Instruments Asset Derivatives Liability Derivatives Balance Balance Sheet Fair Sheet Fair Caption Value Caption Value Foreign exchange contracts Prepaid and other $ 591 Accrued expenses $ 428 For these derivatives designated as cash flow hedging instruments, during the three six September 30, 2019, three six September 30, 2019, Derivatives not March 31, 2019 September 30, 2019, March 31, 2019 Fair Value of Derivative Instruments Asset Derivatives Liability Derivatives Balance Balance Sheet Fair Sheet Fair Caption Value Caption Value Foreign exchange contracts Prepaid and other $ 283 Accrued expenses $ 270 September 30, 2019 Fair Value of Derivative Instruments Asset Derivatives Liability Derivatives Balance Balance Sheet Fair Sheet Fair Caption Value Caption Value Foreign exchange contracts Prepaid and other $ 515 Accrued expenses $ 1,232 For these derivatives not three six September 30, 2019, At March 31, 2019 September 30, 2019,

Note 13 - Subsequent Events

Note 13 - Subsequent Events	6 Months Ended
	Sep. 30, 2019
Notes to Financial Statements
Subsequent Events [Text Block]	13. On October 23, 2019, September 30, 2019. November 8, 2019 .

Significant Accounting Policies

Significant Accounting Policies (Policies)	6 Months Ended
	Sep. 30, 2019
Accounting Policies [Abstract]
Use of Estimates, Policy [Policy Text Block]	Summary of Significant Accounting Policies We have identified the accounting policies and estimates that are critical to our business operations and understanding our results of operations. Those policies and estimates can be found in Note 1, 10 March 31, 2019. 10 10 March 31, 2019. three six September 30, 2019, no During the six September 30, 2019,
Reclassification, Policy [Policy Text Block]	Reclassifications Certain amounts in the prior year consolidated financial statements have been reclassified to the current year presentation. The impact of the reclassifications made to prior year amounts is not not
New Accounting Pronouncements, Policy [Policy Text Block]	Relevant New Accounting Standards In 2016, 2016 02, April 1, 2019, 840, not not 2020, not twelve 2016 02 April 1, 2019, September 30, 2019. September 30, 2019. 2 In June 2016, 2016 13, December 15, 2019. 2016 13 In August 2017, 2017 12, December 15, 2018, October 2018, 2018 16, 815 815. December 15, 2018, not 2017 12, 2018 16 2017 12 2018 16 April 1, 2019. not In February 2018, 2018 02, 2017. December 15, 2018, 2018 02 April 1, 2019 not not In August 2018, 2018 13, 2018 13 1 2 3 2018 13 3 3 3 2018 13 December 15, 2019. In August 2018, 2018 14, not December 15, 2020, 2018 14 2018 14 In August 2018, 2018 15, December 15, 2019, April 1, 2019, 2018 15 not We have reviewed other newly issued accounting pronouncements and concluded that they are either not no

Note 2 - Leases (Tables)

Note 2 - Leases (Tables)	6 Months Ended
	Sep. 30, 2019
Notes Tables
Assets and Liabilities, Lessee [Table Text Block]	Classification on the Balance Sheet As of September 30, 2019 Assets Operating lease assets Other assets $ 19,058 Liabilities Current Operating Accrued expenses $ 5,989 Noncurrent Operating Other liabilities 12,903 Total lease liabilities $ 18,892
Lease, Cost [Table Text Block]	Three months ended Six months ended September 30, 2019 September 30, 2019 Operating lease cost $ 1,450 $ 2,585 Short-term lease cost 173 708 Variable lease cost 445 889 Total lease cost $ 2,068 $ 4,182
Lessee, Operating Lease, Liability, Maturity [Table Text Block]	Fiscal Year Ending 2020 $ 3,240 2021 6,437 2022 5,031 2023 2,474 2024 1,409 Thereafter 1,497 Total operating lease payments $ 20,088 Less imputed interest 1,196 Total operating lease liabilities $ 18,892
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]	Fiscal Year Ending 2020 $ 6,642 2021 4,742 2022 3,218 2023 2,372 2024 445 Thereafter 1,856 Total operating lease payments $ 19,275

Note 3 - Earnings Per Share (Ta

Note 3 - Earnings Per Share (Tables)	6 Months Ended
	Sep. 30, 2019
Notes Tables
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	Three Months Ended Six Months Ended September 30, September 30, 2018 2019 2018 2019 Net income $ 72,069 $ 33,456 $ 128,032 $ 88,133 Computation of Basic EPS: Weighted Average Shares Outstanding used in Computing Basic EPS 168,749 169,090 168,621 169,056 Basic earnings per share $ 0.43 $ 0.20 $ 0.76 $ 0.52 Computation of Diluted EPS: Weighted Average Shares Outstanding used in Computing Basic EPS 168,749 169,090 168,621 169,056 Effect of stock awards 723 286 596 353 Weighted Average Shares used in Computing Diluted EPS (1) 169,472 169,376 169,217 169,409 Diluted earnings per share $ 0.43 $ 0.20 $ 0.76 $ 0.52

Note 4 - Trade Accounts Recei_2

Note 4 - Trade Accounts Receivable and Contract Liabilities (Tables)	6 Months Ended
	Sep. 30, 2019
Notes Tables
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]	March 31, 2019 September 30, 2019 Gross Accounts Receivable - trade $ 273,053 $ 252,910 Less: Allowances for doubtful accounts 1,276 1,670 Stock rotation and ship from stock and debt 14,140 14,756 Sales returns and discounts 646 947 Total allowances 16,062 17,373 Accounts Receivable - trade, net $ 256,991 $ 235,537
Financing Receivable, Allowance for Credit Loss [Table Text Block]	Three Months Ended Six Months Ended September 30, September 30, 2018 2019 2018 2019 Allowances for doubtful accounts: Beginning balance $ 1,294 $ 1,167 $ 1,893 $ 1,276 Charges 49 546 81 572 Applications (16 ) (33 ) (647 ) (170 ) Translation, acquisition and other - (10 ) - (8 ) Ending balance $ 1,327 $ 1,670 $ 1,327 $ 1,670 Three Months Ended Six Months Ended September 30, September 30, 2018 2019 2018 2019 Stock rotation and ship stock and debit: Beginning balance $ 9,869 $ 14,350 $ 15,989 $ 14,140 Charges 7,072 5,290 13,464 10,588 Applications (6,740 ) (4,884 ) (12,926 ) (9,972 ) Stock rotation reclassified to liability - - (6,326 ) - Ending balance $ 10,201 $ 14,756 $ 10,201 $ 14,756 Three Months Ended Six Months Ended September 30, September 30, 2018 2019 2018 2019 Sales returns and discounts: Beginning balance $ 589 $ 483 $ 6,875 $ 646 Charges 1,974 1,906 2,060 3,494 Applications (2,219 ) (1,474 ) (2,434 ) (3,193 ) Sales returns reclassified to liability - - (6,157 ) - Translation, acquisition and other (6 ) 32 (6 ) - Ending balance $ 338 $ 947 $ 338 $ 947
Contract with Customer, Asset and Liability [Table Text Block]	Three Months Ended Six Months Ended September 30, September 30, 2018 2019 2018 2019 Contract liabilities: Beginning balance $ 13,869 $ 16,597 $ - $ 15,753 Increase due to adoption of ASC 606 - - 12,483 - Charges 4,452 4,505 10,673 7,375 Applications (3,500 ) (6,357 ) (8,319 ) (8,392 ) Translation, acquisition and other 1 (54 ) (15 ) (45 ) Ending balance $ 14,822 $ 14,691 $ 14,822 $ 14,691

Note 5 - Fair Value (Tables)

Note 5 - Fair Value (Tables)	6 Months Ended
	Sep. 30, 2019
Notes Tables
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	Based on Quoted prices Other in active observable Unobservable Fair Value at markets inputs inputs March 31, 2019 (Level 1) (Level 2) (Level 3) Assets measured at fair value on a recurring basis: Assets held in the non-qualified deferred compensation program(1) $ 4,693 $ 3,265 $ 1,428 $ - Foreign currency derivatives(2) 853 - 853 - Total $ 5,546 $ 3,265 $ 2,281 $ - Based on Quoted prices Other in active observable Unobservable Fair Value at markets inputs inputs March 31, 2019 (Level 1) (Level 2) (Level 3) Liabilities measured at fair value on a recurring basis: Obligation related to assets held in the non-qualified deferred compensation program(1) $ 4,693 $ 3,265 $ 1,428 $ - Foreign currency derivatives(2) 588 - 588 - Total $ 5,281 $ 3,265 $ 2,016 $ - Based on Quoted prices Other in active observable Unobservable Fair Value at markets inputs inputs September 30, 2019 (Level 1) (Level 2) (Level 3) Assets measured at fair value on a recurring basis: Assets held in the non-qualified deferred compensation program(1) $ 5,702 $ 4,058 $ 1,644 $ - Foreign currency derivatives(2) 1,106 - 1,106 - Total $ 6,808 $ 4,058 $ 2,750 $ - Based on Quoted prices Other in active observable Unobservable Fair Value at markets inputs inputs September 30, 2019 (Level 1) (Level 2) (Level 3) Liabilities measured at fair value on a recurring basis: Obligation related to assets held in the non-qualified deferred compensation program(1) $ 5,702 $ 4,058 $ 1,644 $ - Foreign currency derivatives(2) 1,660 - 1,660 - Total $ 7,362 $ 4,058 $ 3,304 $ -

Note 6 - Financial Instrument_2

Note 6 - Financial Instruments and Investments in Securities (Tables)	6 Months Ended
	Sep. 30, 2019
Notes Tables
Debt Securities, Held-to-maturity [Table Text Block]	March 31, 2019 Gross Gross Unrealized Unrealized Estimated Cost Gains Losses Fair Value Short-term investments: Time deposits $ 434,754 $ 184 $ - $ 434,938 September 30, 2019 Gross Gross Unrealized Unrealized Estimated Cost Gains Losses Fair Value Short-term investments: Time deposits $ 347,648 $ 362 $ - $ 348,010
Investments Classified by Contractual Maturity Date [Table Text Block]	Held-to-Maturity Amortized Estimated Cost Fair Value Due in one year or less $ 347,648 $ 348,010

Note 7 - Inventories (Tables)

Note 7 - Inventories (Tables)	6 Months Ended
	Sep. 30, 2019
Notes Tables
Schedule of Inventory, Current [Table Text Block]	March 31, 2019 September 30, 2019 Finished goods $ 102,373 $ 101,880 Work in process 142,475 149,513 Raw materials 386,840 428,706 Total Inventories, net $ 631,688 $ 680,099

Note 9 - Comprehensive Income_2

Note 9 - Comprehensive Income (Loss) (Tables)	6 Months Ended
	Sep. 30, 2019
Notes Tables
Comprehensive Income (Loss) [Table Text Block]	Three Months Ended September 30, 2018 2019 Pre-tax Net of Tax Pre-tax Net of Tax Foreign currency translation adjustment $ 1,310 $ 1,310 $ (19,477 ) $ (19,477 ) Foreign currency cash flow hedges adjustment 171 126 124 115 Pension liability adjustment 272 216 (119 ) (99 ) Other comprehensive income (loss) $ 1,753 $ 1,652 $ (19,472 ) $ (19,461 ) Six Months Ended September 30, 2018 2019 Pre-tax Net of Tax Pre-tax Net of Tax Foreign currency translation adjustment $ (40,431 ) $ (40,431 ) $ (13,039 ) $ (13,039 ) Foreign currency cash flow hedges adjustment 248 189 (89 ) (72 ) Pension liability adjustment 3,579 2,846 976 773 Other comprehensive income (loss) $ (36,604 ) $ (37,396 ) $ (12,152 ) $ (12,338 )

Note 10 - Segment and Geograp_2

Note 10 - Segment and Geographic Information (Tables)	6 Months Ended
	Sep. 30, 2019
Notes Tables
Schedule of Segment Reporting Information, by Segment [Table Text Block]	Three Months Ended Six Months Ended September 30, September 30, Sales Revenue: 2018 2019 2018 2019 Ceramic Components $ 102,678 $ 87,897 $ 181,514 $ 194,520 Tantalum Components 105,702 59,450 206,734 122,174 Advanced Components 123,849 109,295 263,193 217,428 Total Electronic Components 332,229 256,642 651,441 534,122 Interconnect, Sensing and Control Devices 124,100 120,644 259,004 244,933 Total Revenue $ 456,328 $ 377,286 $ 910,444 $ 779,055 Three Months Ended Six Months Ended September 30, September 30, 2018 2019 2018 2019 Operating profit (loss): Electronic Components $ 104,135 $ 61,305 $ 190,545 $ 139,831 Interconnect, Sensing and Control Devices 2,283 (4,112 ) (467 ) (3,436 ) Corporate activities (20,781 ) (19,747 ) (36,423 ) (40,236 ) Total $ 85,637 $ 37,446 $ 153,655 $ 96,159 As of As of March 31, 2019 September 30, 2019 Assets: Electronic Components $ 659,933 $ 766,529 Interconnect, Sensing and Control Devices 265,682 278,432 Cash, A/R, and investments in securities 1,070,701 980,411 Goodwill - Electronic Components 271,374 283,292 Goodwill - Interconnect, Sensing and Control Devices 45,301 44,279 Corporate activities 500,287 494,717 Total $ 2,813,278 $ 2,847,660
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]	Three Months Ended Six Months Ended September 30, September 30, 2018 2019 2018 2019 Net sales: Americas $ 126,004 $ 105,344 $ 240,571 $ 220,568 Europe 184,004 158,564 382,408 327,762 Asia 146,320 113,378 287,465 230,725 Total $ 456,328 $ 377,286 $ 910,444 $ 779,055

Note 11 - Pension Plans (Tables

Note 11 - Pension Plans (Tables)	6 Months Ended
	Sep. 30, 2019
Notes Tables
Schedule of Net Benefit Costs [Table Text Block]	U.S. Plans International Plans Three Months Ended Three Months Ended September 30, September 30, 2018 2019 2018 2019 Service cost $ - $ - $ 212 $ 206 Interest cost 327 303 1,024 834 Expected return on plan assets (393 ) (415 ) (1,441 ) (1,245 ) Recognized actuarial loss 221 279 252 183 Net periodic pension cost $ 155 $ 167 $ 47 $ (22 ) U.S. Plans International Plans Six Months Ended Six Months Ended September 30, September 30, 2018 2019 2018 2019 Service cost $ - $ - $ 427 $ 412 Interest cost 655 606 2,070 1,714 Expected return on plan assets (786 ) (828 ) (2,912 ) (2,561 ) Recognized actuarial loss 442 470 508 377 Net periodic pension cost $ 311 $ 248 $ 93 $ (58 )

Note 12 - Derivative Financia_2

Note 12 - Derivative Financial Instruments (Tables)	6 Months Ended
	Sep. 30, 2019
Notes Tables
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]	March 31, 2019 Fair Value of Derivative Instruments Asset Derivatives Liability Derivatives Balance Balance Sheet Fair Sheet Fair Caption Value Caption Value Foreign exchange contracts Prepaid and other $ 570 Accrued expenses $ 318 September 30, 2019 Fair Value of Derivative Instruments Asset Derivatives Liability Derivatives Balance Balance Sheet Fair Sheet Fair Caption Value Caption Value Foreign exchange contracts Prepaid and other $ 591 Accrued expenses $ 428 March 31, 2019 Fair Value of Derivative Instruments Asset Derivatives Liability Derivatives Balance Balance Sheet Fair Sheet Fair Caption Value Caption Value Foreign exchange contracts Prepaid and other $ 283 Accrued expenses $ 270 September 30, 2019 Fair Value of Derivative Instruments Asset Derivatives Liability Derivatives Balance Balance Sheet Fair Sheet Fair Caption Value Caption Value Foreign exchange contracts Prepaid and other $ 515 Accrued expenses $ 1,232

Note 1 - Basis of Presentation

Note 1 - Basis of Presentation (Details Textual) - USD ($) $ in Thousands	6 Months Ended
	Sep. 30, 2019	Apr. 01, 2019
Goodwill, Translation and Purchase Accounting Adjustments	$ 10,896
Operating Lease, Liability, Total	$ 18,892
Accounting Standards Update 2016-02 [Member]
Operating Lease, Right-of-Use Asset		$ 18,351
Operating Lease, Liability, Total		$ 18,053

Note 2 - Leases (Details Textua

Note 2 - Leases (Details Textual) $ in Thousands	3 Months Ended	6 Months Ended
	Sep. 30, 2019USD ($)	Sep. 30, 2019USD ($)
Operating Lease, Payments	$ 1,839	$ 4,090
Operating Lease, Weighted Average Remaining Lease Term	3 years 6 months	3 years 6 months
Operating Lease, Weighted Average Discount Rate, Percent	3.25%	3.25%
Minimum [Member]
Lessee, Operating Lease, Term of Contract	1 year	1 year
Maximum [Member]
Lessee, Operating Lease, Term of Contract	6 years	6 years

Note 2 - Leases - Lease Balance

Note 2 - Leases - Lease Balances (Details) $ in Thousands	Sep. 30, 2019USD ($)
Operating lease liabilities	$ 5,989
Operating lease liabilities	12,903
Operating Lease, Liability, Total	18,892
Other Assets [Member]
Operating lease assets	$ 19,058

Note 2 - Leases - Lease Costs (

Note 2 - Leases - Lease Costs (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Sep. 30, 2019	Sep. 30, 2019
Operating lease cost	$ 1,450	$ 2,585
Short-term lease cost	173	708
Variable lease cost	445	889
Total lease cost	$ 2,068	$ 4,182

Note 2 - Leases - Reconciliatio

Note 2 - Leases - Reconciliation of Undiscounted Cash Flows (Details) $ in Thousands	Sep. 30, 2019USD ($)
2020	$ 3,240
2021	6,437
2022	5,031
2023	2,474
2024	1,409
Thereafter	1,497
Total operating lease payments	20,088
Less imputed interest	1,196
Total operating lease liabilities	$ 18,892

Note 2 - Leases - Future Minimu

Note 2 - Leases - Future Minimum Lease Payments for Operating Leases Prior to Adoption of New Lease Standard (Details) $ in Thousands	Apr. 01, 2019USD ($)
2020	$ 6,642
2021	4,742
2022	3,218
2023	2,372
2024	445
Thereafter	1,856
Total operating lease payments	$ 19,275

Note 3 - Earnings Per Share (De

Note 3 - Earnings Per Share (Details Textual) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Common Stock Equivalents [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	6	14	16	14

Note 3 - Earnings Per Share - B

Note 3 - Earnings Per Share - Basic and Diluted Weighted Average Number of Shares of Common Stock and Potential Common Stock Equivalents (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net income		$ 33,456	$ 72,069	$ 88,133	$ 128,032
Computation of Basic EPS:
Weighted Average Shares Outstanding used in Computing Basic EPS (in shares)		169,090	168,749	169,056	168,621
Basic earnings per share (in dollars per share)		$ 0.20	$ 0.43	$ 0.52	$ 0.76
Computation of Diluted EPS:
Weighted Average Shares Outstanding used in Computing Basic EPS (in shares)		169,090	168,749	169,056	168,621
Effect of stock awards (in shares)		286	723	353	596
Weighted Average Shares used in Computing Diluted EPS (1) (in shares)	[1]	169,376	169,472	169,409	169,217
Diluted earnings per share (in dollars per share)		$ 0.20	$ 0.43	$ 0.52	$ 0.76
[1]	Common stock equivalents not included in the computation of diluted earnings per share because the impact would have been anti-dilutive were 14 shares and 6 shares for the three month periods ended September 30, 2018 and 2019, respectively and 14 shares and 16 shares for the six months ended September 30, 2018 and 2019, respectively.

Note 4 - Trade Accounts Recei_3

Note 4 - Trade Accounts Receivable and Contract Liabilities - Schedule of Trade Receivables (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018
Gross Accounts Receivable - trade	$ 252,910		$ 273,053
Allowances	17,373		16,062
Accounts Receivable - trade, net	235,537		256,991
Allowances for Doubtful Accounts [Member]
Allowances	1,670	$ 1,167	1,276	$ 1,327	$ 1,294	$ 1,893
Allowance for Stock Rotation and Ship from Stock and Debit [Member]
Allowances	14,756	14,350	14,140	10,201	9,869	15,989
Allowance and Reserve for Sales Returns and Discounts [Member]
Allowances	$ 947	$ 483	$ 646	$ 338	$ 589	$ 6,875

Note 4 - Trade Accounts Recei_4

Note 4 - Trade Accounts Receivable and Contract Liabilities - Charges Related to Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Beginning balance			$ 16,062
Ending balance	$ 17,373		17,373
Allowances for Doubtful Accounts [Member]
Beginning balance	1,167	$ 1,294	1,276	$ 1,893
Charges	546	49	572	81
Applications	(33)	(16)	(170)	(647)
Translation, acquisition and other	(10)	0	(8)	0
Ending balance	1,670	1,327	1,670	1,327
Allowance for Stock Rotation and Ship from Stock and Debit [Member]
Beginning balance	14,350	9,869	14,140	15,989
Charges	5,290	7,072	10,588	13,464
Applications	(4,884)	(6,740)	(9,972)	(12,926)
Stock rotation reclassified to liability	0	0	0	(6,326)
Ending balance	14,756	10,201	14,756	10,201
Allowance and Reserve for Sales Returns and Discounts [Member]
Beginning balance	483	589	646	6,875
Charges	1,906	1,974	3,494	2,060
Applications	(1,474)	(2,219)	(3,193)	(2,434)
Translation, acquisition and other	32	(6)	0	(6)
Stock rotation reclassified to liability	0	0	0	(6,157)
Ending balance	$ 947	$ 338	$ 947	$ 338

Note 4 - Trade Accounts Recei_5

Note 4 - Trade Accounts Receivable and Contract Liabilities - Changes in Contract Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Beginning balance	$ 16,597	$ 13,869	$ 15,753	$ 0
Increase due to adoption of ASC 606	0	0	0	12,483
Charges	4,505	4,452	7,375	10,673
Applications	(6,357)	(3,500)	(8,392)	(8,319)
Translation, acquisition and other	(54)	1	(45)	(15)
Ending balance	$ 14,691	$ 14,822	$ 14,691	$ 14,822

Note 5 - Fair Value - Assets an

Note 5 - Fair Value - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands		Sep. 30, 2019	Mar. 31, 2019
Assets held in the non-qualified deferred compensation program	[1]	$ 5,702	$ 4,693
Foreign currency derivatives	[2]	1,106	853
Assets measured at fair value, Total		6,808	5,546
Obligation related to assets held in the non-qualified deferred compensation program	[1]	5,702	4,693
Foreign currency derivatives liabilities	[2]	1,660	588
Liabilities measured at fair value, Total		7,362	5,281
Fair Value, Inputs, Level 1 [Member]
Assets held in the non-qualified deferred compensation program	[1]	4,058	3,265
Foreign currency derivatives	[2]	0	0
Assets measured at fair value, Total		4,058	3,265
Obligation related to assets held in the non-qualified deferred compensation program	[1]	4,058	3,265
Foreign currency derivatives liabilities	[2]	0	0
Liabilities measured at fair value, Total		4,058	3,265
Fair Value, Inputs, Level 2 [Member]
Assets held in the non-qualified deferred compensation program	[1]	1,644	1,428
Foreign currency derivatives	[2]	1,106	853
Assets measured at fair value, Total		2,750	2,281
Obligation related to assets held in the non-qualified deferred compensation program	[1]	1,644	1,428
Foreign currency derivatives liabilities	[2]	1,660	588
Liabilities measured at fair value, Total		3,304	2,016
Fair Value, Inputs, Level 3 [Member]
Assets held in the non-qualified deferred compensation program	[1]	0	0
Foreign currency derivatives	[2]	0	0
Assets measured at fair value, Total		0	0
Obligation related to assets held in the non-qualified deferred compensation program	[1]	0	0
Foreign currency derivatives liabilities	[2]	0	0
Liabilities measured at fair value, Total		$ 0	$ 0
[1]	The market value of the assets held in the trust for the non-qualified deferred compensation program is included as an asset and as a liability as the trust’s assets are both assets of the Company and also a liability as they are available to general creditors in certain circumstances.
[2]	Foreign currency derivatives in the form of forward contracts are included in prepaid and other assets or accrued expenses in the consolidated balance sheets. Unrealized gains and losses on derivatives designated as cash flow hedges are recorded in other comprehensive income (loss). Realized gains and losses on derivatives designated as cash flow hedges and gains and losses on derivatives not designated as hedges are recorded in other income.

Note 6 - Financial Instrument_3

Note 6 - Financial Instruments and Investments in Securities - Investments in Held-to-Maturity Securities, Recorded at Amortized Cost (Details) - Short-term Investments [Member] - Time Deposits [Member] - USD ($) $ in Thousands	Sep. 30, 2019	Mar. 31, 2019
Cost	$ 347,648	$ 434,754
Gross Unrealized Gains	362	184
Gross Unrealized Losses	0	0
Estimated Fair Value	$ 348,010	$ 434,938

Note 6 - Financial Instrument_4

Note 6 - Financial Instruments and Investments in Securities - Contractual Maturity (Details) $ in Thousands	Sep. 30, 2019USD ($)
Due in one year or less, amortized cost	$ 347,648
Due in one year or less, estimated fair value	$ 348,010

Note 7 - Inventories - Schedule

Note 7 - Inventories - Schedule of Inventory (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Mar. 31, 2019
Finished goods	$ 101,880	$ 102,373
Work in process	149,513	142,475
Raw materials	428,706	386,840
Total Inventories, net	$ 680,099	$ 631,688

Note 8 - Commitments and Cont_2

Note 8 - Commitments and Contingencies (Details Textual) $ in Thousands	Jan. 15, 2019USD ($)	Apr. 25, 2013	Mar. 31, 2019USD ($)	Mar. 31, 2018USD ($)	Mar. 31, 2016USD ($)	Sep. 30, 2019USD ($)
Accrual for Environmental Loss Contingencies, Period Increase (Decrease), Total			$ 8,312
Accrual for Environmental Loss Contingencies, Ending Balance						$ 21,279
Other Assets [Member]
Escrow Deposit			22,100			$ 5,646
Greatbatch, Inc. v AVX Corporation [Member]
Loss Contingency, Damages Awarded, Value	$ 22,100				$ 37,500
Loss Contingency Accrual, Adjustment			13,900	$ 1,500
Greatbatch, Inc. v AVX Corporation And Presidio Components v. American Technical Ceramics Corp. [Member]
Loss Contingency, Pending Claims, Number, Ending Balance						2
Unfavorable Regulatory Action - Environmental Matters [Member]
Loss Contingency Accrual, Ending Balance			26,371			$ 25,329
Loss Contingency, Accrual, Current			5,749			4,507
Loss Contingency, Accrual, Noncurrent			$ 20,622			20,822
Unfavorable Regulatory Action - Patent Infringement Matters [Member] | Greatbatch, Inc. v AVX Corporation [Member]
Loss Contingency Accrual, Ending Balance						$ 59,752
Unfavorable Regulatory Action - Patent Infringement Matters [Member] | Greatbatch, Inc. v AVX Corporation [Member] | Minimum [Member]
Loss Contingency, Patents Allegedly Infringed, Number		1
Unfavorable Regulatory Action - Patent Infringement Matters [Member] | Greatbatch, Inc. v AVX Corporation [Member] | Maximum [Member]
Loss Contingency, Patents Allegedly Infringed, Number		6

Note 9 - Comprehensive Income_3

Note 9 - Comprehensive Income (Loss) - Components of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Foreign currency translation adjustment, pre-tax	$ (19,477)	$ 1,310	$ (13,039)	$ (40,431)
Foreign currency translation adjustment, net of tax	(19,477)	1,310	(13,039)	(40,431)
Foreign currency cash flow hedges adjustment, pre-tax	124	171	(89)	248
Foreign currency cash flow hedges adjustment, net of tax	115	126	(72)	189
Pension liability adjustment, pre-tax	(119)	272	976	3,579
Pension liability adjustment, net of tax	(99)	216	773	2,846
Other comprehensive income (loss), pre-tax	(19,472)	1,753	(12,152)	(36,604)
Other comprehensive income (loss), net of tax	$ (19,461)	$ 1,652	$ (12,338)	$ (37,396)

Note 10 - Segment and Geograp_3

Note 10 - Segment and Geographic Information (Details Textual) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2019USD ($)	Sep. 30, 2018USD ($)	Sep. 30, 2019USD ($)	Sep. 30, 2018USD ($)
Number of Product Groups			4
Number of Reportable Segments			2
Revenue from Contract with Customer, Including Assessed Tax	$ 377,286	$ 456,328	$ 779,055	$ 910,444
Intersegment Eliminations [Member]
Revenue from Contract with Customer, Including Assessed Tax			$ 0

Note 10 - Segment and Geograp_4

Note 10 - Segment and Geographic Information - Reportable Segment Revenue, Profit and Assets (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Mar. 31, 2019
Net Sales	$ 377,286	$ 456,328	$ 779,055	$ 910,444
Operating profit (loss)	37,446	85,637	96,159	153,655
Assets	2,847,660		2,847,660		$ 2,813,278
Goodwill	327,571		327,571		316,675
Operating Segments [Member] | Electronic Components [Member]
Net Sales	256,642	332,229	534,122	651,441
Operating profit (loss)	61,305	104,135	139,831	190,545
Assets	766,529		766,529		659,933
Operating Segments [Member] | Electronic Components [Member] | Ceramic Components [Member]
Net Sales	87,897	102,678	194,520	181,514
Operating Segments [Member] | Electronic Components [Member] | Tantalum Components [Member]
Net Sales	59,450	105,702	122,174	206,734
Operating Segments [Member] | Electronic Components [Member] | Advanced Components [Member]
Net Sales	109,295	123,849	217,428	263,193
Operating Segments [Member] | Interconnect, Sensing and Control Devices [Member]
Net Sales	120,644	124,100	244,933	259,004
Operating profit (loss)	(4,112)	2,283	(3,436)	(467)
Assets	278,432		278,432		265,682
Segment Reconciling Items [Member]
Cash, A/R, and investments in securities	980,411		980,411		1,070,701
Segment Reconciling Items [Member] | Electronic Components [Member]
Goodwill	283,292		283,292		271,374
Segment Reconciling Items [Member] | Interconnect, Sensing and Control Devices [Member]
Goodwill	44,279		44,279		45,301
Corporate, Non-Segment [Member]
Operating profit (loss)	(19,747)	$ (20,781)	(40,236)	$ (36,423)
Assets	$ 494,717		$ 494,717		$ 500,287

Note 10 - Segment and Geograp_5

Note 10 - Segment and Geographic Information - Schedule of Geographical Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Net Sales	$ 377,286	$ 456,328	$ 779,055	$ 910,444
Americas [Member]
Net Sales	105,344	126,004	220,568	240,571
Europe [Member]
Net Sales	158,564	184,004	327,762	382,408
Asia [Member]
Net Sales	$ 113,378	$ 146,320	$ 230,725	$ 287,465

Note 11 - Pension Plans (Detail

Note 11 - Pension Plans (Details Textual) $ in Thousands	6 Months Ended
	Sep. 30, 2019USD ($)
Defined Contribution Plan, Employer Contribution, Amount	$ 0
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year	0
Foreign Plan [Member]
Defined Contribution Plan, Employer Contribution, Amount	791
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year	$ 305

Note 11 - Pension Plans - Net P

Note 11 - Pension Plans - Net Periodic Pension Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Service cost	$ 0	$ 0	$ 0	$ 0
Interest cost	303	327	606	655
Expected return on plan assets	(415)	(393)	(828)	(786)
Recognized actuarial loss	279	221	470	442
Net periodic pension cost	167	155	248	311
Foreign Plan [Member]
Service cost	206	212	412	427
Interest cost	834	1,024	1,714	2,070
Expected return on plan assets	(1,245)	(1,441)	(2,561)	(2,912)
Recognized actuarial loss	183	252	377	508
Net periodic pension cost	$ (22)	$ 47	$ (58)	$ 93

Note 12 - Derivative Financia_3

Note 12 - Derivative Financial Instruments (Details Textual) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Mar. 31, 2019
Other Expense [Member]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Total	$ 716	$ 773
Other Income [Member]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Total	503	$ 780
Foreign Exchange Forward [Member]
Derivative Contract Maximum Maturity Term		4 months
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax	116	$ 628
Foreign Exchange Forward [Member] | Cost of Sales [Member]
Gain (Loss) on Derivative Instruments, Net, Pretax, Total	1,026	1,418
Foreign Exchange Forward [Member] | Sales [Member]
Gain (Loss) on Derivative Instruments, Net, Pretax, Total	531	1,224
Foreign Exchange Contract [Member]
Derivative, Notional Amount	$ 239,603	$ 239,603	$ 216,555

Note 12 - Derivative Financia_4

Note 12 - Derivative Financial Instruments - Fair value of Derivative Instruments (Details) - Foreign Exchange Contract [Member] - USD ($) $ in Thousands	Sep. 30, 2019	Mar. 31, 2019
Prepaid Expenses and Other Current Assets [Member] | Designated as Hedging Instrument [Member]
Asset derivatives, fair value	$ 591	$ 570
Prepaid Expenses and Other Current Assets [Member] | Not Designated as Hedging Instrument [Member]
Asset derivatives, fair value	515	283
Accrued Expenses [Member] | Designated as Hedging Instrument [Member]
Liability derivatives, fair value	428	318
Accrued Expenses [Member] | Not Designated as Hedging Instrument [Member]
Liability derivatives, fair value	$ 1,232	$ 270

Note 13 - Subsequent Events (De

Note 13 - Subsequent Events (Details Textual) - $ / shares	Oct. 23, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Common Stock, Dividends, Per Share, Declared		$ 0.115	$ 0.115	$ 0.230	$ 0.230
Subsequent Event [Member]
Common Stock, Dividends, Per Share, Declared	$ 0.115
Dividends Payable, Date Declared	Oct. 23, 2019
Dividends Payable, Date of Record	Nov. 8, 2019
Dividends Payable, Date to be Paid	Nov. 22, 2019