Annual report pursuant to Section 13 and 15(d)

EQUITY AND SHARE BASED COMPENSATION PLANS- Stock Options (Details)

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EQUITY AND SHARE BASED COMPENSATION PLANS- Stock Options (Details) - Stock Options - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Number of Shares      
Outstanding at the beginning of the period (in shares) 1,194,690    
Granted (in shares) 630,083    
Exercised (in shares) (5,790)    
Forfeited (in shares) (87,833)    
Expired (in shares) (203,974)    
Outstanding at the end of the period (in shares) 1,527,176 1,194,690  
Vested and expected to vest at end of the period (in shares) 1,500,002    
Exercisable at the end of the period (in shares) 576,616    
Weighted-Average Exercise Price      
Outstanding at the beginning of the period (in dollars per share) $ 29.70    
Granted (in dollars per share) 11.54    
Exercised (in dollars per share) 17.43    
Forfeited (in dollars per share) 15.78    
Expired (in dollars per share) 37.88    
Outstanding at the end of the period (in dollars per share) 21.97 $ 29.70  
Vested and expected to vest at end of the period (in dollars per share) 22.14    
Exercisable at the end of the period (in dollars per share) $ 32.28    
Additional disclosures      
Outstanding at the end of the period, Remaining Contractual Term (in years) 7 years 4 months 24 days    
Outstanding at the end of the period, Intrinsic Value $ 9,369    
Vested and excepted to vest, Weighted-Average Remaining Contractual Term (in years) 7 years 4 months 24 days    
Vested and expected to vest at end of the period, Aggregate Intrinsic Value $ 9,079    
Exercisable at the end of the period, Remaining Contractual Term (in years) 5 years 1 month 6 days    
Exercisable at the end of the period, Intrinsic Value $ 939    
Weighted-average grant date fair value of stock options granted (in dollars per share) $ 3.86 $ 5.18 $ 18.63
Assumptions used to value stock options      
Risk-free interest rate (as a percent) 1.75% 1.22% 1.51%
Expected lives (in years) 5 years 5 years 5 years
Dividend yield (as a percent) 4.69% 4.13% 1.38%
Expected volatility (as a percent) 55.12% 47.95% 39.74%
Intrinsic value of option exercised $ 100 $ 100 $ 500
Unrecognized compensation cost      
Unrecognized compensation cost, non-vested awards $ 2,900    
Compensation recognition period, non-vested awards 1 year 3 months 18 days