Share-Based Compensation - Cost by Award Type (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 28, 2017
Oct. 29, 2016
Oct. 28, 2017
Oct. 29, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation $ 3,650 $ 3,203 $ 11,110 $ 10,783
Tax benefit from share-based compensation expense   100 2,100 6,000
Restricted Stock Units (RSUs) [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation 3,249 2,701 9,455 8,701
Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation $ 401 $ 502 $ 1,655 $ 2,082