Derivative Instruments and Hedging Activities (Effect on Consolidated Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Derivatives designated as hedging instruments | Foreign currency contracts | Other liabilities (current)
Derivatives, Fair Value [Line Items]
Liability Derivatives	$ 4,959	$ 358
Derivatives designated as hedging instruments | Foreign currency contracts | Other assets (current)
Derivatives, Fair Value [Line Items]
Asset Derivatives	402	478
Derivatives not designated as hedging instruments | Interest-rate swaps | Other liabilities (current)
Derivatives, Fair Value [Line Items]
Liability Derivatives	$ 400	$ 1,547