Carrying Values of Intangible Assets and Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Mar. 31, 2012
Intangible Assets And Goodwill [Line Items]
Goodwill, Gross Carrying Amount	$ 14,005	$ 14,005
Goodwill, Net	14,005	14,005
Gross Carrying Amount	49,438	40,843
Accumulated Amortization	14,453	12,692
Net	20,980
Net	34,985	28,151
Trademarks
Intangible Assets And Goodwill [Line Items]
Gross Carrying Amount	23,000	23,000
Accumulated Amortization	11,693	10,545
Net	11,307	12,455
Lease Rights
Intangible Assets And Goodwill [Line Items]
Gross Carrying Amount	12,433	3,838
Accumulated Amortization	2,760	2,147
Net	$ 9,673	$ 1,691