Taxes - Schedule of Changes to Valuation Allowances (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Deferred Tax Assets, Valuation Allowance [Roll Forward]
Balance at January 1,	$ 66.1	$ 58.5	$ 58.3
Additions charged to income tax expense	124.1	39.2	1.6
Reductions credited to income tax expense	(16.8)	(31.6)	(1.4)
Balance at December 31,	$ 173.4	$ 66.1	$ 58.5