Affiliated Companies (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Total investments in affiliated companies	$ 217.5		$ 217.5		$ 210.0
Payables due to affiliates	159.3		159.3		155.2
Receivables due from affiliates	134.2		134.2		135.8
Purchases from (and payments to) affiliates	30.1	$ 34.4	83.6	$ 118.5
Sales to affiliates	746.9	747.4	2,144.4	2,217.8
Affiliated Entity
Schedule of Equity Method Investments [Line Items]
Equity method affiliates	210.3		210.3		203.2
Non-equity method affiliates	7.2		7.2		6.8
Payables due to affiliates	24.8		24.8		25.9
Receivables due from affiliates	2.7		2.7		$ 1.6
Sales to affiliates	$ 3.5	$ 2.5	$ 10.7	$ 8.5