Derivative Instruments and Hedging Activities (Effect on Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Mar. 31, 2016
Derivatives designated as hedging instruments | Foreign currency contracts | Other liabilities (current)
Derivatives, Fair Value [Line Items]
Liability Derivatives	$ 573	$ 552
Derivatives designated as hedging instruments | Foreign currency contracts | Other assets (current)
Derivatives, Fair Value [Line Items]
Asset Derivatives	87	882
Derivatives not designated as hedging instruments | Interest-rate swaps | Other liabilities (current)
Derivatives, Fair Value [Line Items]
Liability Derivatives	$ 0	$ 0