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Description of the Business and Summary of Significant Accounting Policies and Practices (Details 1)
$ in Millions
 3 Months Ended 12 Months Ended
Feb. 03, 2018
Oct. 28, 2017
USD ($)
Jul. 29, 2017
USD ($)
Apr. 29, 2017
USD ($)
Jan. 28, 2017
USD ($)
Oct. 29, 2016
USD ($)
Jul. 30, 2016
USD ($)
Apr. 30, 2016
USD ($)
Feb. 02, 2019
Feb. 03, 2018
USD ($)
segment
Jan. 28, 2017
USD ($)
Jan. 30, 2016
USD ($)
Fiscal Year                        
Number of days in fiscal period 98 days 91 days 91 days 91 days 91 days 91 days 91 days 91 days   371 days 364 days 364 days
Business Segment Reporting                        
Number of reportable segments | segment                   5    
Advertising and Marketing Costs                        
Advertising and marketing expenses                   $ 36.3 $ 37.1 $ 31.6
Cash and Cash Equivalents                        
Marketable securities maximum original maturity period to be considered cash equivalent (in months)                   3 months    
Long-Lived Assets                        
Period of time new regular retail locations in penetrated markets would need to be opened to be considered for impairment                   1 year    
Forecast                        
Fiscal Year                        
Number of days in fiscal period                 364 days      
Minimum                        
Fiscal Year                        
Number of days in fiscal period                   364 days    
Maximum                        
Fiscal Year                        
Number of days in fiscal period                   371 days    
Net revenue                        
Correction of Immaterial Error                        
Prior period reclassification adjustment   $ (5.2) $ (5.4) $ (4.2) $ (5.3) $ (4.3) $ (4.5) $ (4.8)     (18.9) (19.8)
Cost of product sales                        
Correction of Immaterial Error                        
Prior period reclassification adjustment                     $ 18.9 $ 19.8