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Changes in Other Comprehensive Loss (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Dec. 31, 2021	Dec. 31, 2021
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Beginning balance net of tax	$ (64,920)	$ (59,986)
Other comprehensive income (loss) before reclassification	64	(3,798)
Amounts reclassified from other comprehensive loss	(1,718)	(2,790)
Net current period other comprehensive income (loss)	(1,654)	(6,588)
Ending balance net of tax	(66,574)	(66,574)
Retirement Obligations
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Beginning balance net of tax	(37,241)	(37,356)
Other comprehensive income (loss) before reclassification	(78)	(425)
Amounts reclassified from other comprehensive loss	229	691
Net current period other comprehensive income (loss)	151	266
Ending balance net of tax	(37,090)	(37,090)
Foreign currency exchange (gain) loss
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Beginning balance net of tax	(23,926)	(21,776)
Other comprehensive income (loss) before reclassification	(2,215)	(4,365)
Amounts reclassified from other comprehensive loss	0	0
Net current period other comprehensive income (loss)	(2,215)	(4,365)
Ending balance net of tax	(26,141)	(26,141)
Change in Derivatives Qualifying as Hedges
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from other comprehensive loss	(2,592)	(4,634)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax	(1,947)	(3,481)
Tax expense | Retirement Obligations
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from other comprehensive loss	(79)	(240)
Tax expense | Change in Derivatives Qualifying as Hedges
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from other comprehensive loss	645	1,153
Cost of products sold | Retirement Obligations
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from other comprehensive loss	308	931
Cost of products sold | Change in Derivatives Qualifying as Hedges
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from other comprehensive loss	17	56
Interest Expense [Member] | Change in Derivatives Qualifying as Hedges
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from other comprehensive loss	567	1,624
Foreign currency exchange (gain) loss | Change in Derivatives Qualifying as Hedges
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Amounts reclassified from other comprehensive loss	(3,176)	(6,314)
Change in Derivatives Qualifying as Hedges
Reclassification out of Accumulated Other Comprehensive Income [Line Items]
Beginning balance net of tax	(3,753)	(854)
Other comprehensive income (loss) before reclassification	2,357	992
Amounts reclassified from other comprehensive loss	(1,947)	(3,481)
Net current period other comprehensive income (loss)	410	(2,489)
Ending balance net of tax	$ (3,343)	$ (3,343)

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Amount before tax, after reclassification adjustments of other comprehensive income (loss).

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