Acquisitions - Pro forma adjustments that impact net income (loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Business Acquisition, Pro Forma Information [Abstract]
Net (increase) in amortization and depreciation expense associated with tangible and intangible assets	$ (2.4)	$ (48.3)
Net (increase) in interest expense	(13.3)	(40.0)
Total pro forma adjustments - net income (loss)	$ (15.7)	$ (88.3)