Revenue recognition - ESP Deferred Revenue Rollforward (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Aug. 02, 2025 |
Aug. 03, 2024 |
Aug. 02, 2025 |
Aug. 03, 2024 |
|
| Change in Contract with Customer, Liability [Roll Forward] | ||||
| ESP deferred revenue, beginning of period | $ 1,247.6 | |||
| Plans sold | (3.1) | $ (22.1) | ||
| ESP deferred revenue, end of period | $ 1,246.2 | $ 1,221.8 | 1,246.2 | 1,221.8 |
| ESP deferred revenue | ||||
| Change in Contract with Customer, Liability [Roll Forward] | ||||
| ESP deferred revenue, beginning of period | 1,171.9 | 1,153.7 | 1,170.8 | 1,158.7 |
| Plans sold | 132.4 | 117.0 | 267.4 | 238.9 |
| Revenue recognized | (133.8) | (124.6) | (267.7) | (251.5) |
| ESP deferred revenue, end of period | 1,170.5 | 1,146.1 | 1,170.5 | 1,146.1 |
| Extended Service Plan and other deferred revenue | ||||
| Change in Contract with Customer, Liability [Roll Forward] | ||||
| Revenue recognized | $ (77.5) | $ (75.0) | $ (165.1) | $ (160.2) |