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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
Jun. 30, 2012
Mar. 31, 2012
Jun. 30, 2011
Derivative [Line Items]      
Derivatives in a Fair Value Asset Position Designated as Hedging Instruments $ 111 $ 83 $ 12,370
Derivatives in a Fair Value Liability Position Designated as Hedging Instruments 2,891 2,044 0
Derivatives in a Fair Value Asset Position Not Designated as Hedging Instruments 243 273 1,185
Derivatives in a Fair Value Liability Position Not Designated as Hedging Instruments 1,124 427 103
Forward Foreign Currency Exchange Contracts [Member] | Other Current Assets [Member]
      
Derivative [Line Items]      
Derivatives in a Fair Value Asset Position Designated as Hedging Instruments 111 83 758
Derivatives in a Fair Value Asset Position Not Designated as Hedging Instruments 243 273 1,185
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 1,112 925 0
Derivatives in a Fair Value Liability Position Not Designated as Hedging Instruments 1,124 427 103
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 11,612
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 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 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 $ 1,779 $ 1,119 $ 0