Affiliated Companies (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Equity Method Investments and Joint Ventures [Abstract]
Carrying amount, equity-method investments	$ 198.0		$ 201.2
Carrying amount, investments not accounted for under the equity method	10.1		6.5
Purchases and royalty payments made to affiliates	58.5	$ 38.0
Amount due and payable to affiliates	45.1		25.5
Sales to affiliates	4.0	$ 2.9
Amount receivable from affiliates	$ 3.3		$ 2.3