Summary of Significant Accounting Policies (Details 7) (Foreign exchange forward contract)	12 Months Ended
Mar. 31, 2014
Minimum
Derivative Financial Instruments
Maturity term	1 month
Maximum
Derivative Financial Instruments
Maturity term	3 months

Average period remaining before foreign currency exchange rate derivatives mature or expire, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

Name:	us-gaap_AverageRemainingMaturityOfForeignCurrencyDerivatives1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration