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Basis of Presentation and Summary of Significant Accounting Policies - Supplemental Cash Flow Information Related to Leases (Details) - USD ($)
$ in Thousands
6 Months Ended
Jul. 31, 2021
Aug. 01, 2020
Accounting Policies [Abstract]    
Operating cash flows paid for operating leases $ 1,061,163 $ 762,823
Lease liabilities arising from obtaining right of use assets $ 1,016,813 $ 765,183