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	Jun. 28, 2013	Mar. 29, 2013
Assets:
Cash equivalents	$ 13,162	$ 47,427
Total assets measured at fair value on a recurring basis	13,162	47,427
Liabilities:
Foreign currency forward contracts	192	318
Total liabilities measured at fair value on a recurring basis	192	318
Level 1 [Member]
Assets:
Cash equivalents	13,162	47,427
Total assets measured at fair value on a recurring basis	13,162	47,427
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	192	318
Total liabilities measured at fair value on a recurring basis	192	318
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