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Derivatives And Hedging Activities (Effect Of Derivative Financial Instruments On The Consolidated Balance Sheets) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Mar. 31, 2011
Derivative [Line Items]    
Derivatives in a Fair Value Asset Position Designated as Hedging Instruments $ 83 $ 12,593
Derivatives in a Fair Value Liability Position Designated as Hedging Instruments 2,044 0
Derivatives in a Fair Value Asset Position Not Designated as Hedging Instruments 273 1,222
Derivatives in a Fair Value Liability Position Not Designated as Hedging Instruments 427 243
Forward Foreign Currency Exchange Contracts [Member] | Other Current Assets [Member]
   
Derivative [Line Items]    
Derivatives in a Fair Value Asset Position Designated as Hedging Instruments 83 2,400
Derivatives in a Fair Value Asset Position Not Designated as Hedging Instruments 273 1,222
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 925 0
Derivatives in a Fair Value Liability Position Not Designated as Hedging Instruments 427 243
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 10,193
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 $ 1,119 $ 0