Purchased Intangible Assets - Amortization Expense by Classification Included in Consolidated Statements of Operations (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 30, 2014	Mar. 31, 2013	Apr. 01, 2012
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 2,387	$ 1,223	$ 4,183
Continuing Operations [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense	2,387	1,223	1,023
Discontinued Operations [Member]
Finite-Lived Intangible Assets [Line Items]
Amortization expense			$ 3,160