Derivative Instruments (Narratives) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014 Counterparty
Derivatives, Fair Value [Line Items]
Number of different counterparties	2
Reclassify Next Year
Derivatives, Fair Value [Line Items]
Amount of accumulated other comprehensive loss expected to be reclassified in the next 12 months	$ 188
Derivatives Not Designated as Hedging Instruments | Foreign Exchange Contract
Derivatives, Fair Value [Line Items]
Notional amount of derivatives	3,659
Derivatives Designated as Hedging Instruments | Commodity Contract
Derivatives, Fair Value [Line Items]
Notional amount of foreign currency forward agreements designated as cash flow hedges	$ 3,402