Property and Equipment, Net - Schedule of Property and Equipment (Details) - USD ($) $ in Millions	Mar. 31, 2018	Apr. 01, 2017
Property, Plant and Equipment [Abstract]
Leasehold improvements	$ 551.0	$ 507.9
In-store shops	273.9	256.0
Furniture and fixtures	270.9	244.1
Computer equipment and software	266.3	226.2
Equipment	116.7	104.4
Building	51.6	40.6
Land	16.2	14.0
Property, plant and equipment, gross	1,546.6	1,393.2
Less: accumulated depreciation and amortization	(1,001.6)	(833.9)
Subtotal	545.0	559.3
Construction-in-progress	38.2	32.2
Property and equipment, net	$ 583.2	$ 591.5