Other Operating Credits and Charges, Net (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Gain Contingencies [Line Items]
Insurance Recoveries		$ 0.0	$ 0.0	$ 0.5
Adjustment to contingent consideration fair value		0.0	0.2	3.2
Gain (Loss) on Contract Termination		0.0	0.0	1.0
Additions to workers compensation reserves		0.0	0.0	(0.4)
Adjustments to retirement accounts		0.0	(0.8)	0.0
Impairment of Intangible Assets, Finite-lived		0.0	11.6
Other operating credits and charges, net	$ 11.6	17.4	16.3	9.0
Gain loss on settlement, other		0.0	(1.0)	0.0
Product Warranty Accrual, Period Increase (Decrease)		16.9	1.4	(11.3)
Addition to environmental related contingency reserves		0.0	(4.6)	(0.5)
Other Expenses		(0.5)
Other Income			0.1	0.0
Abitibi [Domain]
Gain Contingencies [Line Items]
Other Operating Credits and Charges Associated with Unconsolidated Affiliates		0.0	(0.7)	1.0
Unconsolidated Affiliates
Gain Contingencies [Line Items]
Other Operating Credits and Charges Associated with Unconsolidated Affiliates		$ 0.0	$ (0.7)	$ 1.0