Discontinued Operations - Income from Discontinued Operations (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Summarized Financial Information of Discontinued Operations
Income from discontinued operations, net of tax	$ 0.0	$ 1.6
Disposed of by Sale | BioMedical
Summarized Financial Information of Discontinued Operations
Sales		35.6
Cost of sales		25.4
Selling, general and administrative expenses		7.5
Amortization expense		0.6
Operating income		2.1
Other income, net		0.2
Income before income taxes		2.3
Income tax expense		0.7
Income from discontinued operations, net of tax		1.6
Depreciation expense, discontinued operations		$ 0.4