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Description of Business and Significant Accounting Policies - Revenue Recognition and Sales Returns, Advertising Expenses, Income Taxes, Earnings Per Share, and Operating Segments (Details)
12 Months Ended
Feb. 01, 2020
USD ($)
Segment
shares
Feb. 02, 2019
USD ($)
shares
Feb. 03, 2018
USD ($)
shares
Valuation and Qualifying Accounts Disclosure [Line Items]      
Distribution Expense $ 24,600,000 $ 22,600,000 $ 20,800,000
Liability for sales returns 1,554,000 1,520,000  
Sales return reserve product recovery asset 695,000 596,000  
Deferred revenue 656,000 987,000  
Contract assets in inventory 319,000 443,000  
Advertising expense $ 15,000,000 $ 12,800,000 $ 10,500,000
Tax benefit likelihood recognized 50.00%    
Stock options not included in the computation of diluted earnings per share (in shares) | shares 1,521,000 923,000 686,000
Number of reportable segments | Segment 1    
Prepaid Advertising $ 273,000 $ 421,000