Inventories - Summary of Inventory Components (Details) - USD ($) $ in Millions	Jul. 30, 2016	Jan. 30, 2016	Aug. 01, 2015
Inventory Disclosure [Abstract]
Raw materials	$ 75.4	$ 81.8	$ 114.2
Finished goods	2,342.9	2,372.1	2,300.0
Total inventories	$ 2,418.3	$ 2,453.9	$ 2,414.2