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Quarterly Data (Unaudited) - Narratives (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Interim Period, Costs Not Allocable
Asset impairments		$ 0.0	$ 16.0	$ 0.0
Held-for-sale
Interim Period, Costs Not Allocable
Gain on sale of business, net of taxes	$ 224.2
Held-for-sale \| Cryobiological products business
Interim Period, Costs Not Allocable
Gain on sale of business, net of taxes			$ 224.2	$ 0.0
Tax on gain on sale of business	$ 25.2