Derivatives And Hedging Activities (Effect Of Derivative Financial Instruments On The Consolidated Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Mar. 31, 2012
Derivative [Line Items]
Derivatives in a Fair Value Asset Position Designated as Hedging Instruments	$ 0	$ 83
Derivatives in a Fair Value Liability Position Designated as Hedging Instruments	2,489	2,044
Derivatives in a Fair Value Asset Position Not Designated as Hedging Instruments	0	273
Derivatives in a Fair Value Liability Position Not Designated as Hedging Instruments	331	427
Forward Foreign Currency Exchange Contracts [Member] | Other Current Assets [Member]
Derivative [Line Items]
Derivatives in a Fair Value Asset Position Designated as Hedging Instruments	0	83
Derivatives in a Fair Value Asset Position Not Designated as Hedging Instruments	0	273
Forward Foreign Currency Exchange Contracts [Member] | Accounts Payable And Accrued Expenses [Member]
Derivative [Line Items]
Derivatives in a Fair Value Liability Position Designated as Hedging Instruments	810	925
Derivatives in a Fair Value Liability Position Not Designated as Hedging Instruments	331	427
Fair Value 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
Fair Value Hedges [Member] | Interest Rate Swap Agreements [Member] | Long-Term Obligations [Member]
Derivative [Line Items]
Derivatives in a Fair Value Liability Position Designated as Hedging Instruments	0	0
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
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	$ 1,679	$ 1,119