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Discontinued Operations - Income for Discontinued Operations (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Dec. 20, 2018
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations          
Income from discontinued operations before gain on sale of business     $ 0.0 $ 34.4 $ 1.8
Disposed of by Sale | BioMedical          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations          
Sales       157.0  
Cost of sales       115.8  
Selling, general and administrative expenses       32.7  
Amortization expense       2.3  
Operating income       6.2  
Interest expense, net       3.2  
Other expense (income), net       0.1  
Income before income taxes       2.9  
Income tax expense       2.8  
Income from discontinued operations before gain on sale of business       0.1  
Gain on sale of business, net of taxes of $2.6 $ 34.3 $ 34.3   34.3  
Income from discontinued operations, net of tax       34.4  
Tax on gain on sale of business       $ 2.6  
Held-for-sale | BioMedical          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations          
Sales         145.9
Cost of sales         105.4
Selling, general and administrative expenses         34.2
Amortization expense         2.8
Operating income         3.5
Interest expense, net         2.1
Other expense (income), net         (1.1)
Income before income taxes         2.5
Income tax expense         0.7
Income from discontinued operations before gain on sale of business         1.8
Gain on sale of business, net of taxes of $2.6         0.0
Income from discontinued operations, net of tax         $ 1.8