Derivatives And Hedging Activities (Effect Of Derivative Financial Instruments On The Consolidated Statements Of Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Derivatives Designated As Hedges [Member] | Cash Flow Hedges [Member] | Interest Rate Swap Agreements [Member] | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recorded in accumulated other comprehensive loss	$ 310	$ (889)
Gain (loss) reclassified from accumulated other comprehensive loss into earnings	(227)	(229)
Derivatives Designated As Hedges [Member] | Cash Flow Hedges [Member] | Interest Rate Swap Agreements [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
Derivatives Designated As Hedges [Member] | Cash Flow Hedges [Member] | Forward Foreign Currency Exchange Contract [Member] | Cost Of Goods Sold [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recorded in accumulated other comprehensive loss	(3,332)	(7,929)
Gain (loss) reclassified from accumulated other comprehensive loss into earnings	(75)	(587)
Derivatives Designated As Hedges [Member] | Cash Flow Hedges [Member] | Forward Foreign Currency Exchange Contract [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	(1,768)	(1,417)
Derivatives Not Designated As Hedges [Member] | Forward Foreign Currency Exchange Contract [Member] | Selling, General And Administrative Expenses [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized in earnings	$ (1,423)	$ (2,269)