Discontinued Operations Income Statement (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net sales	$ 356.5	$ 387.0
Cost of goods sold	267.9	282.8
Gross profit	88.6	104.2
Selling, general and administrative	79.5	81.5
Research and development	4.2	4.8
Operating income	4.9	17.9
Income from discontinued operations before income taxes	5.7	18.2
Income tax (benefit) provision	(1.4)	2.6
Income from discontinued operations, net of tax	$ 7.1	$ 15.6