Derivative Instruments and Hedging Activities (Details) (USD $)	12 Months Ended				0 Months Ended
	Mar. 31, 2014 Derivatives designated as hedging instruments	Mar. 31, 2013 Derivatives designated as hedging instruments	Mar. 31, 2012 Derivatives designated as hedging instruments	Mar. 31, 2014 Foreign currency contracts Derivatives designated as hedging instruments Cash flow hedging [Member]	Jul. 26, 2012 July 2012 Interest-rate Swap Interest-rate swaps Derivatives not designated as hedging instruments
Derivative [Line Items]
Notional amount				$ 53,031,000	$ 125,000,000
Remaining maturity				9 months	3 years
Foreign currency contracts, hedge ineffectiveness	$ 0	$ 0	$ 0
Fixed interest rate					1.25%