Derivatives And Hedging Activities (Effect Of Derivative Financial Instruments On The Consolidated Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2012
Derivative [Line Items]
Derivatives in a Fair Value Asset Position Designated as Hedging Instruments	$ 0	$ 0	$ 111
Derivatives in a Fair Value Liability Position Designated as Hedging Instruments	4,354	2,489	2,891
Derivatives in a Fair Value Asset Position Not Designated as Hedging Instruments	2	0	243
Derivatives in a Fair Value Liability Position Not Designated as Hedging Instruments	1,582	331	1,124
Forward Foreign Currency Exchange Contract [Member] | Other Current Assets [Member]
Derivative [Line Items]
Derivatives in a Fair Value Asset Position Designated as Hedging Instruments	0	0	111
Derivatives in a Fair Value Asset Position Not Designated as Hedging Instruments	2	0	243
Forward Foreign Currency Exchange Contract [Member] | Accounts Payable and Accrued Expenses [Member]
Derivative [Line Items]
Derivatives in a Fair Value Liability Position Designated as Hedging Instruments	3,212	810	1,112
Derivatives in a Fair Value Liability Position Not Designated as Hedging Instruments	1,582	331	1,124
Cash Flow Hedges [Member] | Interest Rate Swap Agreements [Member] | Other Non-Current Assets [Member]
Derivative [Line Items]
Derivatives in a Fair Value Asset Position Designated as Hedging Instruments	0	0	0
Cash Flow Hedges [Member] | Interest Rate Swap Agreements [Member] | Other Long-Term Liabilities [Member]
Derivative [Line Items]
Derivatives in a Fair Value Liability Position Designated as Hedging Instruments	$ 1,142	$ 1,679	$ 1,779