Impact of Effective Portion of Gains and Losses of Forward Contracts Designated as Hedges (Detail) (Foreign Exchange Contract, Designated as Hedging Instrument, USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Foreign Exchange Contract | Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Pre-Tax Gain (Loss) Recognized in OCI (Effective Portion)	$ 10,222	$ (2,892)	$ 11,895	$ (3,513)
Gain (Loss) Reclassified from Accumulated OCI into Earnings (Effective Portion)	$ (249)	$ 227	$ (1,383)	$ 555