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Shareholders' Equity - Stock Option Awards - Outstanding Stock Options (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
9 Months Ended
Oct. 31, 2020
Feb. 01, 2020
2011 Omnibus Incentive Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options outstanding 34 247
Options outstanding, weighted average exercise price $ 12.87 $ 12.44
Options outstanding, weighted average remaining contractual term 6 years 3 months 14 days  
Options outstanding, aggregate intrinsic value $ 8  
Vested or expected to vest, outstanding 32  
Vested or expected to vest, outstanding, weighted average exercise price $ 13.13  
Vested or expected to vest, outstanding, weighted average remaining contractual term 6 years 2 months 16 days  
Vested or expected to vest, outstanding, aggregate intrinsic value $ 7  
2004 Omnibus Incentive Stock Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options outstanding 3 6
Options outstanding, weighted average exercise price $ 53.49 $ 51.52
Options outstanding, weighted average remaining contractual term 3 years 4 months 23 days  
Options outstanding, aggregate intrinsic value $ 0  
Vested or expected to vest, outstanding 3  
Vested or expected to vest, outstanding, weighted average exercise price $ 53.49  
Vested or expected to vest, outstanding, weighted average remaining contractual term 3 years 4 months 23 days  
Vested or expected to vest, outstanding, aggregate intrinsic value $ 0