Carrying Values of Intangible Assets and Goodwill (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 27, 2014	Mar. 29, 2014
Intangible Assets And Goodwill [Line Items]
Goodwill, Gross Carrying Amount	$ 14,005	$ 14,005
Goodwill, Net	14,005	14,005
Gross Carrying Amount	87,140	78,753
Accumulated Amortization	19,857	16,714
Net	53,278	48,034
Net	67,283	62,039
Trademarks
Intangible Assets And Goodwill [Line Items]
Gross Carrying Amount	23,000	23,000
Accumulated Amortization	13,419	12,845
Net	9,581	10,155
Lease Rights
Intangible Assets And Goodwill [Line Items]
Gross Carrying Amount	50,135	41,748
Accumulated Amortization	6,438	3,869
Net	$ 43,697	$ 37,879