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Leases - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Feb. 02, 2020
Nov. 02, 2019
Aug. 02, 2019
May 02, 2019
Feb. 02, 2019
Nov. 03, 2018
Aug. 04, 2018
May 05, 2018
Feb. 01, 2020
Feb. 02, 2019
Feb. 03, 2018
Leases [Line Items]                      
Rent expense charged                   $ 301.0 $ 293.0
Operating lease option to extend reasonably certain of being exercised                 $ 3,000.0    
Finance lease option to extend reasonably certain of being exercised                 1,500.0    
Legally binding lease payments for leases signed but not yet commenced                 16.5    
Gain on extinguishment of debt $ 0.0 $ 9.0 $ 0.0 $ 0.0 $ (21.0) $ 0.0 $ 0.0 $ (42.0) 9.0 $ (63.0)  
Finance lease legally binding payments for contract signed but not yet commenced                 $ 16.0    
Store [Member]                      
Leases [Line Items]                      
Lease extension term                 5 years    
Minimum [Member] | Store [Member]                      
Leases [Line Items]                      
Lease initial term                 20 years    
Lease renewal term                 4 years    
Maximum [Member] | Store [Member]                      
Leases [Line Items]                      
Lease initial term                 25 years    
Lease renewal term                 8 years