Property, Plant and Equipment, Net - Summary of Property, Plant and Equipment, Net (Details) - USD ($) $ in Millions	Feb. 03, 2018	Jan. 28, 2017
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 2,075.5	$ 1,872.3
Accumulated depreciation and amortization	(1,197.6)	(1,049.4)
Property, plant and equipment, net	877.9	822.9
Land and buildings
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	35.9	33.5
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	689.8	632.4
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	804.2	761.0
Equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	177.0	137.7
Software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	271.4	211.0
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 97.2	$ 96.7