Property and Equipment, Net (Detail) - USD ($) $ in Millions	Apr. 02, 2016	Mar. 28, 2015
Property, Plant and Equipment [Abstract]
Leasehold improvements	$ 414.6	$ 294.2
In-store shops	242.9	189.3
Furniture and fixtures	212.7	160.2
Computer equipment and software	167.9	104.4
Equipment	79.1	73.6
Land	15.1	0.0
Property, plant and equipment, gross	1,132.3	821.7
Less: accumulated depreciation and amortization	(490.9)	(337.8)
Subtotal	641.4	483.9
Construction-in-progress	116.8	79.0
Property and equipment, net	$ 758.2	$ 562.9