Affiliated Companies (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Schedule of Equity Method Investments [Line Items]
Total investments in affiliated companies	$ 220.9		$ 220.9		$ 202.1
Payables due to affiliates	213.1		213.1		188.2
Receivables due from affiliates	131.8		131.8		124.0
Purchases from (and payments to) affiliates	25.2	$ 30.1	83.1	$ 83.6
Sales to affiliates	804.6	746.9	2,269.1	2,144.4
Affiliated Entity
Schedule of Equity Method Investments [Line Items]
Equity method affiliates	213.6		213.6		194.9
Non-equity method affiliates	7.3		7.3		7.2
Payables due to affiliates	19.8		19.8		18.7
Receivables due from affiliates	1.2		1.2		$ 2.5
Sales to affiliates	$ 3.4	$ 3.5	$ 9.4	$ 10.7