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Stock Compensation Plans and Capital Stock Transactions - Restricted Stock Activity (Details) - Restricted Stock
12 Months Ended
Jan. 28, 2017
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Unvested, beginning of period (in shares) | shares 2,585,392
Granted (in shares) | shares 1,817,830
Vested (in shares) | shares (1,157,261)
Forfeited (in shares) | shares (782,775)
Unvested, end of period (in shares) | shares 2,463,186
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Unvested, beginning of period, weighted average grant date fair value (in usd per share) | $ / shares $ 16.60
Granted, weighted average grant date fair value (in usd per share) | $ / shares 12.38
Vested, weighted average grant date fair value (in usd per share) | $ / shares 16.75
Forfeited, weighted average grant date fair value (in usd per share) | $ / shares 15.19
Unvested, end of period, weighted average grant date fair value (in usd per share) | $ / shares $ 13.87