Discontinued Operations - Income for Discontinued Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
(Loss) income from discontinued operations, net of tax	$ (57.6)	$ 0.0	$ 239.2
Assets disposed of by sales
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Depreciation expense, discontinued operations			0.7
Assets disposed of by sales | Cryobiological products business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Sales	0.0		59.9
Cost of sales	0.0		31.8
Selling, general and administrative expenses	74.8		7.8
Operating (loss) income	(74.8)		20.3
Interest expense, net	0.0		7.4
Other expense (income), net	0.0		0.8
(Loss) income before income taxes	(74.8)		13.7
Income tax benefit	(17.2)		(1.3)
(Loss) income from discontinued operations before gain on sale of business	(57.6)		15.0
Gain on sale of business, net of taxes	0.0		224.2
(Loss) income from discontinued operations, net of tax	$ (57.6)		239.2
Tax on gain on sale of business			$ 25.2