Affiliated Companies (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Equity Method Investments and Joint Ventures [Abstract]
Carrying amount, equity-method investments	$ 183.2		$ 183.2		$ 201.2
Carrying amount, investments not accounted for under the equity method	10.1		10.1		6.5
Purchases and royalty payments made to affiliates	50.6	$ 47.6	97.6	$ 85.6
Amount due and payable to affiliates	33.8		33.8		25.5
Sales to affiliates	3.6	$ 3.1	7.6	$ 6.0
Amount receivable from affiliates	$ 3.0		$ 3.0		$ 2.3