Property and Equipment (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Mar. 30, 2013
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 427,514	$ 366,156
Less: accumulated depreciation and amortization	(196,229)	(165,340)
Subtotal	231,285	200,816
Construction-in-progress	53,295	41,297
Property and equipment, net	284,580	242,113
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	90,373	76,336
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	15,098	13,276
Computer Equipment And Software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	33,243	29,429
In-Store Shops
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	97,573	78,809
Leasehold Improvement
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 191,227	$ 168,306