Derivatives And Hedging Activities (Effect Of Derivative Financial Instruments On The Consolidated Statements Of Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Derivatives Designated As Hedges [Member] | Cash Flow Hedges [Member] | Interest Rate Swap [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax	$ 15,651	$ 3,033	$ (32,389)
Gain (loss) reclassified from accumulated other comprehensive loss into earnings	(8,907)	(8,411)	(1,577)
Amortization of Deferred Hedge Gains	1,061	1,416	2,691
Derivatives Designated As Hedges [Member] | Cash Flow Hedges [Member] | Interest Rate Swap [Member] | Selling, General And Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in earnings from ineffective portion and early de-designation of cash flow hedges	0	0	0
Derivatives Designated As Hedges [Member] | Cash Flow Hedges [Member] | Forward Foreign Currency Exchange Contracts [Member] | Cost Of Goods Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax	13,879	(272)	(13,646)
Gain (loss) reclassified from accumulated other comprehensive loss into earnings	5,426	(13,926)	1,108
Derivatives Designated As Hedges [Member] | Cash Flow Hedges [Member] | Forward Foreign Currency Exchange Contracts [Member] | Selling, General And Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in earnings from ineffective portion and early de-designation of cash flow hedges	2,040	0	0
Derivatives Not Designated As Hedges [Member] | Forward Foreign Currency Exchange Contracts [Member] | Selling, General And Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 16,732	$ (872)	$ (4,013)