Summary of Significant Accounting Policies - Digital Assets (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |||||
|---|---|---|---|---|---|---|---|
Jul. 29, 2023 |
Jul. 30, 2022 |
Jul. 29, 2023 |
Jul. 30, 2022 |
Jan. 28, 2023 |
Jan. 31, 2022 |
Jan. 29, 2022 |
|
| Goodwill And Intangible Assets Disclosure [Line Items] | |||||||
| Contract liability beginning balance | $ 286.7 | $ 323.1 | $ 286.7 | $ 323.1 | $ 338.2 | $ 378.3 | |
| Digital asset impairments | 0.0 | 33.7 | |||||
| Digital Assets | |||||||
| Goodwill And Intangible Assets Disclosure [Line Items] | |||||||
| Noncurrent receivable | $ 79.0 | ||||||
| Contract liability beginning balance | 28.7 | 28.7 | $ 33.8 | ||||
| Deferred income recognized | $ 14.3 | $ 13.9 | $ 28.6 | 27.8 | |||
| Noncurrent Receivable | |||||||
| Goodwill And Intangible Assets Disclosure [Line Items] | |||||||
| Gain (loss) on sale of digital assets | $ (7.2) | ||||||
| Maximum | Digital Assets | |||||||
| Goodwill And Intangible Assets Disclosure [Line Items] | |||||||
| Receivable | $ 150.0 | ||||||