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Inventories - Summary of Inventory Components (Details) - USD ($)
$ in Millions
Oct. 28, 2017
Jan. 28, 2017
Oct. 29, 2016
Inventory Disclosure [Abstract]      
Raw materials $ 68.2 $ 60.8 $ 71.2
Finished goods 2,397.9 2,388.5 2,578.2
Total inventories $ 2,466.1 $ 2,449.3 $ 2,649.4