Property and Equipment, net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Millions |
Feb. 01, 2026 |
Feb. 02, 2025 |
|---|---|---|
| Property, Plant and Equipment [Line Items] | ||
| Internal-use software | $ 1,080.7 | $ 974.3 |
| Less: accumulated depreciation and amortization | 528.4 | 412.1 |
| Property and equipment, net | 552.3 | 562.2 |
| Furniture, fixtures and equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Internal-use software | 267.8 | 208.3 |
| Computer equipment | ||
| Property, Plant and Equipment [Line Items] | ||
| Internal-use software | 81.7 | 78.0 |
| Internal-use software | ||
| Property, Plant and Equipment [Line Items] | ||
| Internal-use software | 282.4 | 230.0 |
| Less: accumulated depreciation and amortization | 166.0 | 125.1 |
| Property and equipment, net | 116.4 | 104.9 |
| Leasehold improvements | ||
| Property, Plant and Equipment [Line Items] | ||
| Internal-use software | 428.8 | 327.9 |
| Construction in progress | ||
| Property, Plant and Equipment [Line Items] | ||
| Internal-use software | $ 20.0 | $ 130.1 |