Property and Equipment, Net - Additional Information (Detail) (USD $)	12 Months Ended
	Mar. 29, 2014 Store	Mar. 30, 2013 Store	Mar. 31, 2012 Store
Property, Plant and Equipment [Line Items]
Depreciation and amortization of property and equipment	$ 76,600,000	$ 52,700,000	$ 36,000,000
Impairment of long-lived assets	$ 1,332,000	$ 725,000	$ 3,292,000
Number of stores impaired	3	1	2