Affiliated Companies (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Nov. 01, 2019	Dec. 31, 2018
Schedule of Equity Method Investments [Line Items]
Purchases and royalty payments made to affiliates	$ 32.5	$ 24.6
Amount due and payable to affiliates	22.3		$ 20.8
Sales to affiliates	2.2	$ 2.2
Amount receivable from affiliates	2.6		1.9
Purchase of investment in affiliated companies in cash			85.1
Purchase of investment in affiliated companies			4.9
Carrying amount, equity-method investments	184.3		179.3
Carrying amount, cost-method investments	$ 13.4		$ 13.4
Daikyo Seiko, Ltd. (Daikyo) [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Ownership Percentage				49.00%	25.00%