Commitments and Contingencies (Details) $ in Millions	3 Months Ended
	Apr. 30, 2016 USD ($) Lease	Jan. 30, 2016 USD ($)
Commitments and Contingencies [Abstract]
Capital lease obligation	$ 3.5	$ 3.6
Capital lease obligation included in short-term liabilities	0.5	0.5
Capital lease obligation included in long-term liabilities	$ 3.0	3.1
Stores opened | Lease	17
Stores closed | Lease	8
Increase in retail store lease commitments | Lease	9
Annual Bonuses and Equity Incentive Awards [Abstract]
Annual bonus related expenses included in accrued payroll expenses	$ 1.1	$ 3.2
Minimum [Member]
Other Commitments [Line Items]
Initial Lease Termination Dates	March 2021
Maximum [Member]
Other Commitments [Line Items]
Initial Lease Termination Dates	April 2026