Derivative Instruments (Derivative instruments in the condensed consolidated balance sheet) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Derivatives Designated as Hedging Instruments \| Foreign Exchange Contract [Member] \| Other Assets
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	$ 58	$ 0
Derivatives Designated as Hedging Instruments \| Foreign Exchange Contract [Member] \| Accrued Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	(34)	(141)
Derivatives Designated as Hedging Instruments \| Interest Rate Swap [Member] \| Other Assets
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	71
Derivatives Designated as Hedging Instruments \| Interest Rate Swap [Member] \| Accrued Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	(1,026)
Derivatives Not Designated as Hedging Instruments \| Foreign Exchange Contract [Member] \| Other Assets
Derivatives, Fair Value [Line Items]
Derivative Asset, Fair Value, Amount Not Offset Against Collateral	61	163
Derivatives Not Designated as Hedging Instruments \| Foreign Exchange Contract [Member] \| Accrued Liabilities
Derivatives, Fair Value [Line Items]
Derivative liability, fair value	$ (3)	$ (64)

Fair value, after offset of derivative liability, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, after offset of derivative asset, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, elected not to be and before offset against a right to receive collateral under a master netting arrangement. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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