Affiliated Companies (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Schedule of Equity Method Investments [Line Items]
Total investments in affiliated companies	$ 224.7		$ 224.7		$ 202.1
Payables due to affiliates	222.8		222.8		188.2
Receivables due from affiliates	167.7		167.7		124.0
Purchases from (and payments to) affiliates	30.2	$ 24.9	57.9	$ 53.5
Sales to affiliates	766.5	702.1	1,464.5	1,397.5
Affiliated Entity
Schedule of Equity Method Investments [Line Items]
Equity method affiliates	217.4		217.4		194.9
Non-equity method affiliates	7.3		7.3		7.2
Payables due to affiliates	24.8		24.8		18.7
Receivables due from affiliates	2.2		2.2		$ 2.5
Sales to affiliates	$ 2.8	$ 4.0	$ 6.0	$ 7.2