Annual report pursuant to Section 13 and 15(d)

EQUITY AND SHARE-BASED COMPENSATION PLANS - Vesting and Awards Other than Options (Details)

v3.6.0.2
EQUITY AND SHARE-BASED COMPENSATION PLANS - Vesting and Awards Other than Options (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Additional information      
Fair value of shares vested $ 11.1 $ 10.2 $ 13.8
Non-Vested Deferred Stock Units and Restricted Stock Shares      
Share-based compensation      
Certain grants vesting period, maximum 10 years    
Unrecognized compensation cost      
Unrecognized compensation cost $ 22.7    
Compensation recognition period 1 year 7 months 6 days    
Non-Vested Deferred Stock Units and Restricted Stock Shares | Minimum      
Share-based compensation      
Vesting period 1 year    
Non-Vested Deferred Stock Units and Restricted Stock Shares | Maximum      
Share-based compensation      
Vesting period 3 years    
Deferred stock units      
Shares      
Granted (in shares) 1,315,140 397,811 352,636
Weighted-Average Grant-Date Fair Value      
Granted (in dollars per share) $ 18.61 $ 53.03 $ 49.21
Additional information      
Shares relinquished for tax withholding 76,485    
Intrinsic value of nonvested shares $ 31.6    
Time-Based DSUs      
Shares      
Non-Vested at the beginning of the period (in shares) 478,106    
Granted (in shares) 866,520    
Vested (in shares) (231,267)    
Forfeited (in shares) (51,394)    
Non-Vested at the end of the period (in shares) 1,061,965 478,106  
Weighted-Average Grant-Date Fair Value      
Non-Vested at the beginning of the period (in dollars per share) $ 49.60    
Granted (in dollars per share) 17.12    
Vested (in dollars per share) 47.85    
Forfeited (in dollars per share) 31.84    
Non-Vested at the end of the period (in dollars per share) $ 24.31 $ 49.60  
Time-Based DSUs | Awards granted prior to April 3, 2013      
Shares      
Non-Vested at the end of the period (in shares) 11,288    
Performance-Based DSUs, including performance units      
Shares      
Non-Vested at the beginning of the period (in shares) 168,656    
Granted (in shares) 448,620    
Forfeited (in shares) (93,328)    
Non-Vested at the end of the period (in shares) 523,948 168,656  
Weighted-Average Grant-Date Fair Value      
Non-Vested at the beginning of the period (in dollars per share) $ 47.87    
Granted (in dollars per share) 21.51    
Forfeited (in dollars per share) 31.16    
Non-Vested at the end of the period (in dollars per share) $ 28.28 $ 47.87  
Performance-based DSUs      
Shares      
Granted (in shares)   258,168  
Performance units      
Share-based compensation      
Number of shares of common stock received for each performance share 1    
Shares      
Granted (in shares) 190,452    
Restricted Stock      
Shares      
Non-Vested at the beginning of the period (in shares) 33,157    
Granted (in shares) 18,646 33,157 30,166
Vested (in shares) (14,925)    
Non-Vested at the end of the period (in shares) 36,878 33,157  
Weighted-Average Grant-Date Fair Value      
Non-Vested at the beginning of the period (in dollars per share) $ 27.93    
Granted (in dollars per share) 17.37 $ 27.93 $ 49.36
Vested (in dollars per share) 45.29    
Non-Vested at the end of the period (in dollars per share) $ 15.56 $ 27.93  
Additional information      
Shares relinquished for tax withholding   5,799 5,349
Fair value of shares vested $ 0.7 $ 2.0 $ 1.6
Intrinsic value of nonvested shares $ 0.7    
Stock Options      
Unrecognized compensation cost      
Compensation recognition period 1 year 3 months 18 days    
Stock Options | Minimum      
Share-based compensation      
Vesting period 1 year    
Stock Options | Maximum      
Share-based compensation      
Vesting period 10 years    
Two year anniversary | Performance units      
Share-based compensation      
Vesting period 2 years    
Vesting percentage 50.00%    
Three year anniversary | Performance units      
Share-based compensation      
Vesting period 3 years    
Vesting percentage 50.00%