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Shareholders' Equity - Non-Vested Restricted Stock Activity (Details) - $ / shares
shares in Thousands
3 Months Ended 9 Months Ended
Nov. 03, 2018
Oct. 28, 2017
Nov. 03, 2018
Oct. 28, 2017
Summary of changes in Company's non-vested restricted stock during period [Roll Forward]        
Non-vested restricted stock shares outstanding at beginning of period     2,829  
Granted, shares     1,990  
Vested, shares     (1,047)  
Forfeited, shares     (336)  
Non-vested restricted stock shares outstanding at end of period 3,436   3,436  
Summary of changes in Company's non-vested restricted stock during period, weighted average grant date fair value [Roll Forward]        
Non-vested restricted stock shares outstanding at beginning of period, weighted average grant date fair value per share     $ 1.40  
Granted, weighted average grant date fair value per share     1.17  
Vested, weighted average grant date fair value per share     1.24  
Forfeited, weighted average grant date fair value per share     1.28  
Non-vested restricted stock shares outstanding at end of period, weighted average grant date fair value per share $ 1.32   $ 1.32  
Time Based Units [Member]        
Summary of changes in Company's non-vested restricted stock during period [Roll Forward]        
Non-vested restricted stock shares outstanding at beginning of period     1,856  
Granted, shares     1,243  
Vested, shares     (1,047)  
Forfeited, shares     (125)  
Non-vested restricted stock shares outstanding at end of period 1,927   1,927  
Summary of changes in Company's non-vested restricted stock during period, weighted average grant date fair value [Roll Forward]        
Non-vested restricted stock shares outstanding at beginning of period, weighted average grant date fair value per share     $ 1.32  
Granted, weighted average grant date fair value per share     1.18  
Vested, weighted average grant date fair value per share     1.24  
Forfeited, weighted average grant date fair value per share     1.36  
Non-vested restricted stock shares outstanding at end of period, weighted average grant date fair value per share $ 1.28   $ 1.28  
Market-Based Performance Units [Member]        
Summary of changes in Company's non-vested restricted stock during period [Roll Forward]        
Non-vested restricted stock shares outstanding at beginning of period     973  
Granted, shares 0 0 747 562
Vested, shares     0  
Forfeited, shares     (211)  
Non-vested restricted stock shares outstanding at end of period 1,509   1,509  
Summary of changes in Company's non-vested restricted stock during period, weighted average grant date fair value [Roll Forward]        
Non-vested restricted stock shares outstanding at beginning of period, weighted average grant date fair value per share     $ 1.55  
Granted, weighted average grant date fair value per share     1.15 $ 1.53
Vested, weighted average grant date fair value per share     0.00  
Forfeited, weighted average grant date fair value per share     1.23  
Non-vested restricted stock shares outstanding at end of period, weighted average grant date fair value per share $ 1.39   $ 1.39