Impact of Effective Portion of Gains and Losses of Forward Contracts Designated as Hedges (Detail) (Foreign Currency Exchange Contracts, Designated as Hedging Instrument, USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Sep. 28, 2013	Sep. 28, 2013
Foreign Currency Exchange Contracts | Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Pre-Tax (Loss) Recognized in OCI (Effective Portion)	$ (2,892)	$ (3,513)
Gain Reclassified from Accumulated OCI into Earnings (Effective Portion)	$ 227	$ 555