Derivatives And Hedging Activities (Effect Of Derivative Financial Instruments On The Consolidated Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012
Derivative [Line Items]
Derivatives in a Fair Value Asset Position Designated as Hedging Instruments	$ 0	$ 0	$ 0
Derivatives in a Fair Value Liability Position Designated as Hedging Instruments	1,068	2,489	1,889
Derivatives in a Fair Value Asset Position Not Designated as Hedging Instruments	1,260	0	239
Derivatives in a Fair Value Liability Position Not Designated as Hedging Instruments	0	331	537
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	0
Derivatives in a Fair Value Asset Position Not Designated as Hedging Instruments	1,260	0	239
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	0	810	0
Derivatives in a Fair Value Liability Position Not Designated as Hedging Instruments	0	331	537
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	$ 1,068	$ 1,679	$ 1,889