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Leases (Details) - USD ($)
$ in Millions
6 Months Ended
Jul. 31, 2020
Aug. 02, 2019
Leases    
Weighted-average remaining lease term 10 years  
Weighed average discount rate 4.10%  
Cash paid for operating leases $ 680.4 $ 626.3
Operating lease cost $ 678.6 $ 622.4