Discontinued Operations - Narratives (Details) - BioMedical - USD ($) $ in Millions		3 Months Ended	12 Months Ended
	Dec. 20, 2018	Dec. 31, 2018	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Asset sale price	$ 133.5
Interest expense, net			$ 3.2
Gain on sale of business, net of taxes	$ 34.3	$ 34.3	34.3
Depreciation expense, discontinued operations			$ 1.7
Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Interest expense, net				$ 2.1	$ 2.2
Gain on sale of business, net of taxes				0.0	0.0
Depreciation expense, discontinued operations				$ 1.6	$ 1.4