Discontinued Operations - Income Statement (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Discontinued Operations and Disposal Groups [Abstract]
Net sales	$ 0.0	$ 31.1	$ 53.8
Cost of sales	0.0	23.0	34.1
Gross profit	0.0	8.1	19.7
Selling and marketing expenses	0.1	12.4	15.2
General, administrative and other expenses	2.6	6.8	11.6
Operating loss	(2.7)	(11.1)	(7.1)
Interest (income) expense, net and other	(1.5)	7.7	19.9
Loss from discontinued operations before income taxes	(1.2)	(18.8)	(27.0)
Income tax provision	(0.2)	0.0	(3.9)
Loss generated from discontinued operations, net of tax	(1.4)	(18.8)	(30.9)
Loss generated from discontinued operations, net of tax	0.0	1.0	0.0
Loss generated from discontinued operations, net of tax	$ (1.4)	$ (17.8)	$ (30.9)