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Summary of Significant Accounting Policies (Cash and Cash Equivalents) (Details) - USD ($)
$ in Millions
 12 Months Ended
Jan. 29, 2022
Jan. 30, 2021
Significant Accounting Policies [Line Items]    
Cash Equivalents $ 41.3 $ 250.7
Cash and Cash Equivalents [Member]    
Significant Accounting Policies [Line Items]    
Cash Equivalents $ 13.0 $ 12.8
Minimum [Member]    
Significant Accounting Policies [Line Items]    
Debit and credit card transaction processing period (hours) 24 hours  
Maximum [Member]    
Significant Accounting Policies [Line Items]    
Debit and credit card transaction processing period (hours) 48 hours