Stock-Based Compensation Non-vested Stock (Details) - Non-vested stock - USD ($) $ / shares in Units, $ in Millions	6 Months Ended
	Aug. 04, 2018	Jul. 29, 2017
Stock-based Compensation Arrangement by Share-based Payment Award [Line Items]
Settlement at the end of vesting period	one-for-one to common stock
Number of shares
Outstanding at February 3, 2018	1,637,037
Granted	631,266
Vested	(688,534)
Forfeited	(50,478)
Outstanding at August 4, 2018	1,529,291
Weighted average grant date fair value (in dollars per share)
Outstanding at February 3, 2018, weighted average grant date fair value (in dollars per share)	$ 6.67
Grants in period, weighted average grant date fair value (in dollars per share)	2.41	$ 2.21
Vested in period, weighted average grant date fair value (in dollars per share)	7.19
Forfeitures in period, weighted average grant date fair value (in dollars per share)	3.03
Outstanding at August 4, 2018, weighted average grant date fair value (in dollars per share)	$ 4.79
Aggregate intrinsic value
Aggregate intrinsic value, vested	$ 1.6	$ 1.1
Share-based Compensation Arrangement by Share-based Payment Award, Additional General Disclosures [Abstract]
Shares issued in period	612,037
Employees
Stock-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award annual vesting rights, percentage	25.00%
Award vesting period	4 years
Non-employee directors
Stock-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	1 year