Other Operating Credits and Charges, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Gain Contingencies [Line Items]
Reorganization charges	$ (10.3)	$ 0.0	$ 0.0
Refund of sales and use taxes	0.5	0.8	0.0
Refund on environmental costs	8.3	0.0	0.0
Loss on workers compensation reserves	0.0	0.9	0.0
Adjustment to product related warranty reserves	7.7	(5.4)	(16.9)
Expenses related to a hurricane	(4.5)	0.0	0.0
Other Income	0.5	0.6
Other Expenses			(0.5)
Other operating credits and charges, net	$ 2.2	$ (4.9)	$ (17.4)