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Warranty reserve - Schedule of Activity in Warranty Reserve (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Nov. 02, 2024
Oct. 28, 2023
Nov. 02, 2024
Oct. 28, 2023
Movement in Standard Product Warranty Accrual [Roll Forward]        
Balance at beginning of period $ 42.3 $ 42.9 $ 43.7 $ 40.8
Warranty expense 1.6 3.5 5.7 11.6
Utilized (2.8) (3.1) (8.3) (9.1)
Balance at end of period $ 41.1 $ 43.3 $ 41.1 $ 43.3