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Share-Based Compensation - Narrative (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Feb. 20, 2019
shares
Feb. 01, 2020
USD ($)
plan
$ / shares
shares
Feb. 02, 2019
USD ($)
$ / shares
shares
Feb. 03, 2018
USD ($)
$ / shares
shares
Feb. 03, 2019
USD ($)
Feb. 04, 2018
USD ($)
May 18, 2017
shares
Jan. 29, 2017
USD ($)
May 19, 2016
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Number of share-based compensation plans | plan   4              
Stock options granted (in shares) | shares   1,812,800              
Cumulative adjustment reclassified to retained earnings from adoption of new accounting guidance         $ (297) $ (5,829)   $ 0  
Weighted average fair values of stock options granted during the period (in dollars per share) | $ / shares   $ 5.50 $ 5.89 $ 1.57          
Total intrinsic value of options exercised (in dollars)   $ 2,900 $ 3,400 $ 700          
Cash received from option exercises   6,600 8,900 1,400          
Share-based compensation expense   24,290 19,973 18,852          
Unrecognized compensation cost related to nonvested stock options   8,600              
CEO                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock options granted (in shares) | shares 600,000                
Stock option                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation expense   2,811 2,563 2,345          
Income tax benefit on recognized compensation cost   $ 700              
Weighted average period for recognition of unrecognized compensation cost (in years/months/days)   2 years              
Stock option | Selling, general and administrative expenses                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation expense   $ 2,800              
Stock awards or units                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock awards or units granted (in shares) | shares   1,073,555              
Share-based compensation expense   $ 21,250 $ 17,187 $ 16,347          
Income tax benefit on recognized compensation cost   $ 5,000              
Weighted average period for recognition of unrecognized compensation cost (in years/months/days)   1 year 7 months 6 days              
Excess tax shortfall   $ 1,100              
Granted (in dollars per share) | $ / shares   $ 19.14 $ 20.81 $ 11.41          
Total fair value at grant date of previously nonvested stock awards/units that were vested during the period   $ 16,600 $ 10,900 $ 18,400          
Total intrinsic value of nonvested stock awards/units that vested during the period   16,800 $ 14,600 $ 12,600          
Total intrinsic value of nonvested stock awards/units outstanding   44,600              
Total unrecognized compensation cost   17,800              
Stock awards or units | Selling, general and administrative expenses                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation expense   $ 21,300              
Performance-based units                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock awards or units granted (in shares) | shares   455,339              
Granted (in dollars per share) | $ / shares   $ 18.33              
Performance units | CEO                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock awards or units granted (in shares) | shares 250,000                
Performance units | Vesting, Tranche one                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period   1 year              
Performance units | Minimum | Vesting, annual vesting periods after initial vesting period                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period   2 years              
Performance units | Maximum | Vesting, annual vesting periods after initial vesting period                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period   3 years              
Target performance units                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period   3 years              
Target performance units | Minimum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting rights based on the satisfaction of certain performance or market-based criteria (as a percentage)   0.00%              
Target performance units | Maximum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting rights based on the satisfaction of certain performance or market-based criteria (as a percentage)   200.00%              
Market-based units                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period   3 years              
Stock awards or units granted (in shares) | shares   17,557              
Period which award is subject to a market condition (in years)   3 years              
Granted (in dollars per share) | $ / shares   $ 15.20              
Market-based units | Vesting, Tranche one                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period   3 years              
Market-based units | Minimum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting rights based on the satisfaction of certain performance or market-based criteria (as a percentage)   0.00%              
Market-based units | Maximum                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting rights based on the satisfaction of certain performance or market-based criteria (as a percentage)   150.00%              
Contingently returnable restricted stock units | CEO                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Stock awards or units granted (in shares) | shares 150,000                
Implied service period 1 year                
2004 Equity Incentive Plan                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Authorized number of shares (in shares) | shares   29,100,000         15,000,000    
Shares available for grant under the plan (in shares) | shares   12,595,751 13,622,590            
2004 Equity Incentive Plan | Stock option                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Term of award   10 years              
Vesting rights (as a percentage)   25.00%              
2004 Equity Incentive Plan | Stock option | Vesting, Tranche one                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period   9 months 9 months 9 months          
2004 Equity Incentive Plan | Stock option | Vesting, Tranche two                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period   1 year 1 year 1 year          
2004 Equity Incentive Plan | Stock option | Vesting, Tranche three                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period   1 year 1 year 1 year          
2004 Equity Incentive Plan | Stock option | Vesting, Tranche four                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period   1 year 1 year 1 year          
2004 Equity Incentive Plan | Stock awards or units                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Number that new grants on or after May 1, 2017 are counted against shares authorized (excluding stock options or stock appreciation rights) (in shares) | shares   3.54              
Vesting rights (as a percentage)   25.00%              
2004 Equity Incentive Plan | Stock awards or units | Vesting, Tranche one                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period   9 months 9 months 9 months          
2004 Equity Incentive Plan | Stock awards or units | Vesting, Tranche two                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period   1 year 1 year 1 year          
2004 Equity Incentive Plan | Stock awards or units | Vesting, Tranche three                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period   1 year 1 year 1 year          
2004 Equity Incentive Plan | Stock awards or units | Vesting, Tranche four                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Vesting period   1 year 1 year 1 year          
Employee Stock Purchase Plan                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Authorized number of shares (in shares) | shares   4,000,000              
Purchase price of the Company's common stock determined as the lower of the closing price at the beginning or end of the quarterly stock purchase period (expressed as a percentage)   85.00%              
Minimum holding period for shares purchased under the ESPP (in months)   6 months              
Period before quarter end prohibited for trading, as per Company's securities trading policy   14 days              
Period after public announcement of earnings prohibited for trading, as per Company's securities trading policy (in days)   2 days              
Weighted average fair values of stock options granted during the period (in dollars per share) | $ / shares   $ 4.29 $ 5.17 $ 2.85          
Share-based compensation expense   $ 229 $ 223 $ 160          
Issuance of stock under Employee Stock Purchase Plan (in shares) | shares   53,424 43,737 54,300          
Issuance of stock pursuant to ESPP (in dollars per share) | $ / shares   $ 14.65 $ 16.88 $ 10.45          
2006 Non-Employee Directors Stock Grant and Stock Option Plan                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Authorized number of shares (in shares) | shares   1,850,000             2,000,000
Shares available for grant under the plan (in shares) | shares   357,404 423,873            
Retained Earnings                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Cumulative adjustment reclassified to retained earnings from adoption of new accounting guidance         $ 1,684 $ (5,829)   (942)  
Retained Earnings | Accounting Standards Update 2016-09                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Cumulative adjustment reclassified to retained earnings from adoption of new accounting guidance               $ 300