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Warranty reserve - Schedule of Activity in Warranty Reserve (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Aug. 03, 2024
Jul. 29, 2023
Aug. 03, 2024
Jul. 29, 2023
Movement in Standard Product Warranty Accrual [Roll Forward]        
Balance at beginning of period $ 43.2 $ 41.3 $ 43.7 $ 40.8
Warranty expense 1.8 4.6 4.1 8.1
Utilized (2.7) (3.0) (5.5) (6.0)
Balance at end of period $ 42.3 $ 42.9 $ 42.3 $ 42.9