Fair Value Measurements - Assets and Liabilities Measured at Fair value on Recurring Basis (Detail) (Fair Value, Measurements, Recurring [Member], USD $) In Thousands, unless otherwise specified	Mar. 29, 2013	Mar. 30, 2012
Assets
Cash equivalents	$ 47,427	$ 70,379
Total assets measured at fair value on a recurring basis	47,427	70,379
Liabilities
Foreign currency forward contracts	318	443
Total liabilities measured at fair value on a recurring basis	318	443
Level 1 [Member]
Assets
Cash equivalents	47,427	70,379
Total assets measured at fair value on a recurring basis	47,427	70,379
Liabilities
Foreign currency forward contracts
Total liabilities measured at fair value on a recurring basis
Level 2 [Member]
Assets
Cash equivalents
Total assets measured at fair value on a recurring basis
Liabilities
Foreign currency forward contracts	318	443
Total liabilities measured at fair value on a recurring basis	318	443
Level 3 [Member]
Assets
Cash equivalents
Total assets measured at fair value on a recurring basis
Liabilities
Foreign currency forward contracts
Total liabilities measured at fair value on a recurring basis