Summary of Significant Accounting Policies - Reclassifications (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Feb. 01, 2020 |
Feb. 02, 2019 |
Feb. 03, 2018 |
|
| Reclassifications [Line Items] | |||
| Increase (Decrease) in Accounts Payable and Accrued Liabilities | $ (792.8) | $ (26.0) | $ 146.1 |
| Statement of Cash Flow Reclassification [Domain] | |||
| Reclassifications [Line Items] | |||
| Provision for inventory reserves | 57.3 | 59.1 | |
| Customer Liabilities [Member] | Statement of Cash Flow Reclassification [Member] | |||
| Reclassifications [Line Items] | |||
| Increase (Decrease) in Accounts Payable and Accrued Liabilities | $ 43.1 | $ 23.7 | |