Property and Equipment, net - Schedule of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Sep. 26, 2015	Mar. 28, 2015
Property, Plant and Equipment [Abstract]
Leasehold improvements	$ 355,199	$ 294,225
In-store shops	219,704	189,308
Furniture and fixtures	185,332	160,178
Computer equipment and software	130,951	104,372
Equipment	78,090	73,609
Land	15,099	0
Property and equipment, gross	984,375	821,692
Less: accumulated depreciation and amortization	(406,035)	(337,755)
Property and equipment, net (excluding construction-in-progress)	578,340	483,937
Construction-in-progress	94,069	78,997
Property and equipment, net	$ 672,409	$ 562,934