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Share-Based Compensation (Details 2) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Number of Shares      
Options outstanding at the beginning of the period (in shares) 2,857,012    
Granted (in shares) 1,283,175    
Exercised (in shares) (123,775)    
Forfeited (in shares) (88,625)    
Expired (in shares) (15,375)    
Options outstanding at the end of the period (in shares) 3,912,412 2,857,012  
Exercisable at the end of the period (in shares) 2,232,456    
Options exercisable and expected to vest at the end of the period (in shares) 3,912,412    
Weighted Average Exercise Price      
Options outstanding at the beginning of the period (in dollars per share) $ 24.30    
Granted (in dollars per share) 11.22    
Exercised (in dollars per share) 11.22    
Forfeited (in dollars per share) 25.39    
Expired (in dollars per share) 41.14    
Options outstanding at the end of the period (in dollars per share) 20.33 $ 24.30  
Exercisable at the end of the period (in dollars per share) 24.56    
Options exercisable and expected to vest at the end of the period (in dollars per share) $ 20.33    
Weighted Average Remaining Contractual Term (Years)      
Options outstanding at the end of the period (in years/months/days) 4 years 9 months 15 days    
Exercisable at the end of the period (in years/months/days) 6 years 6 months 8 days    
Options exercisable and expected to vest at the end of the period (in years/months/days) 4 years 9 months 15 days    
Aggregate Intrinsic Value      
Options outstanding at the end of the period (in dollars) $ 3,930    
Exercisable at the end of the period (in dollars) 668    
Options exercisable and expected to vest at the end of the period (in dollars) $ 3,930    
Additional disclosures      
Weighted average fair values of stock options granted during the period (in dollars per share) $ 1.57 $ 3.53 $ 3.75
Total intrinsic value of options exercised (in dollars) $ 700   $ 100
Cash received from option exercises 1,400 $ 200 $ 300
Unrecognized compensation cost related to nonvested stock options $ 3,700    
Employee Stock Purchase Plan      
Valuation Assumptions      
Risk-free interest rate 1.00% 0.30% 0.10%
Expected stock price volatility 45.80% 41.10% 34.90%
Expected dividend yield 7.60% 6.20% 4.70%
Expected life (in years/months/days) 3 months 3 months 3 months
Additional disclosures      
Weighted average fair values of stock options granted during the period (in dollars per share) $ 2.85 $ 3.32 $ 4.06
Common stock issued during the period (in shares) 54,300 44,486 40,846
Average price per share (in dollars per share) $ 10.45 $ 12.56 $ 16.17
Stock option      
Valuation Assumptions      
Risk-free interest rate 1.50% 1.00% 1.00%
Expected stock price volatility 37.10% 35.40% 36.70%
Expected dividend yield 8.00% 4.80% 4.70%
Expected life (in years/months/days) 4 years 4 months 24 days 4 years 2 months 3 years 9 months 28 days
Additional disclosures      
Income tax benefit on recognized compensation cost $ 800    
Weighted average period for recognition of unrecognized compensation cost (in years/months/days) 1 year 6 months 1 day    
Market-based awards/units      
Valuation Assumptions      
Risk-free interest rate 1.40% 0.90% 0.90%
Expected stock price volatility 39.70% 36.20% 38.60%
Expected dividend yield 0.00% 0.00% 0.00%
Expected life (in years/months/days) 2 years 9 months 4 days 2 years 9 months 4 days 2 years 9 months 4 days