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Summary of Significant Accounting Policies - Digital Assets (Details) - USD ($)
$ in Millions
3 Months Ended
Apr. 30, 2022
May 01, 2021
Feb. 28, 2022
Jan. 29, 2022
Jan. 30, 2021
Indefinite-lived Intangible Assets [Line Items]          
Contract liability beginning balance $ 330.0 $ 322.6   $ 378.3 $ 348.2
Gain on sale of digital assets (6.9) $ 0.0      
Digital Assets          
Indefinite-lived Intangible Assets [Line Items]          
Noncurrent receivable     $ 31.7 79.0  
Contract liability beginning balance     $ 31.7 $ 79.0  
Deferred income recognized $ 13.9