Affiliated Companies (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
	Nov. 01, 2019	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Carrying amount, equity-method investments		$ 194.2		$ 194.2		$ 179.3
Carrying amount, investments not accounted for under the equity method		15.4		15.4		13.4
Purchase of investment in affiliated companies in cash	$ 85.1
Purchase of investment in affiliated companies	$ 4.9
Purchases and royalty payments made to affiliates		36.6	$ 33.0	97.0	$ 85.2
Amount due and payable to affiliates		28.5		28.5		20.8
Sales to affiliates		2.7	$ 2.2	7.7	$ 6.9
Amount receivable from affiliates		$ 1.7		$ 1.7		$ 1.9
Daikyo Seiko, Ltd. (Daikyo)
Schedule of Equity Method Investments [Line Items]
Ownership interest percentage	49.00%						25.00%