Schedule II - Valuation and Qualifying Accounts (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 29, 2013	Mar. 30, 2012	Apr. 01, 2011
Deferred Tax Asset Valuation Allowance [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning Balance	$ 14,695	$ 12,671	$ 13,074
Charged (credited) to costs and expenses	1,270	2,024	1,445
Charged (credited) to goodwill			(1,848)
Deductions
Ending Balance	15,965	14,695	12,671
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Beginning Balance	997	493	539
Charged (credited) to costs and expenses	1,621	1,194	813
Deductions	(1,184)	(690)	(859)
Ending Balance	$ 1,434	$ 997	$ 493