Other Liabilities-Non-Current - Summary of Other Liabilities (Details) - USD ($) $ in Millions	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Other Liabilities Disclosure [Abstract]
Straight-line rent	$ 87.2	$ 81.2
Deferred compensation	40.7	36.5
Warranty reserve	27.0	29.6
Lease loss reserve	1.3	3.4	$ 4.2
Other liabilities	57.5	79.8
Total other liabilities	$ 213.7	$ 230.5