v3.26.1
Income taxes (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended
Jul. 29, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Income Tax Disclosure [Abstract]          
Income before income taxes   $ 81.2 $ 81.7 $ 136.7 $ 167.4
Income tax expense   $ (43.1) $ (17.0) $ (55.3) $ (38.2)
Effective income tax rate   53.10% 20.80% 40.50% 22.80%
Subsequent Event          
Income Tax Disclosure [Abstract]          
Income Tax Expense (Benefit), Reorganization $ (142.0)        
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]          
Income tax benefit, reorganization $ 142.0