Other Expense (Income), net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Other Income and Expenses [Abstract]
Chapter 11 expenses, net	$ 0.9	$ 1.2
Currency transaction effects	0.5	0.5
Net (gain) loss on sales of investments and disposals of assets	(0.4)	(0.5)
Interest income	(0.2)	(0.2)
Loss on early extinguishment of debt	0.0	11.1
Other miscellaneous (income) expense	(3.8)	(2.4)
Total other (income) expense, net	$ (2.2)	$ 10.7