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Revenue - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended
Oct. 31, 2020
Nov. 02, 2019
Minimum    
Disaggregation of Revenue [Line Items]    
Extended warranty term 12 months  
Maximum    
Disaggregation of Revenue [Line Items]    
Extended warranty term 24 months  
Customer Liabilities    
Disaggregation of Revenue [Line Items]    
Deferred credits $ 326.2 $ 250.5
Extended Warranties    
Disaggregation of Revenue [Line Items]    
Deferred credits 47.7 58.9
Magazine Subscriptions    
Disaggregation of Revenue [Line Items]    
Deferred credits $ 30.7 $ 39.2