Income Taxes - Valuation allowance (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Valuation Allowance [Line Items]
Valuation allowance beginning of the year	$ 13.8	$ 6.6	$ 7.1
Increases recorded as an expense to income tax provision	3.8	7.2
Decreases recorded for valuation allowance release			(0.5)
Increases recorded through purchase accounting	42.8
Valuation allowance end of the year	60.4	$ 13.8	$ 6.6
ELITechGroup
Valuation Allowance [Line Items]
Increases recorded through purchase accounting	$ 42.8