Other Liabilities-Non-Current - Summary of Lease Loss Reserve (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016
Allowance for Loan and Lease Losses [Roll Forward]
Lease loss reserve, beginning of period	$ 3.4	$ 4.2
Adjustments, net	(1.5)	(0.2)
Utilization	(0.6)	(0.6)
Lease loss reserve, end of period	$ 1.3	$ 3.4