Other Operating Credits and Charges, Net (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2014	Jun. 30, 2013
Gain Contingencies [Line Items]
Adjustment related to prior year inventory	$ 0	$ 0	$ 1.6	$ 0	$ (1.6)
Adjustment related to prior year depreciation	0	(1.5)		0	(1.5)
Additions to environmental related contingency reserve	(0.5)	0		(0.5)	0
Contingent consideration fair value adjustment	(0.1)	0		(0.1)	0
Adjustment to product related warranty reserves	0	(4.1)		0	(4.1)
Other Cost and Expense, Operating	0	0.2		0	0.2
Other Operating Income (Expense), Net	(0.6)	(5.4)		(0.6)	(7.0)
AbitibiBowater-LP [Member]
Gain Contingencies [Line Items]
Other Operating Credits and Charges Associated with Unconsolidated Affiliates	0	(1.8)		0	(1.8)
Canfor-LP [Member]
Gain Contingencies [Line Items]
Other Operating Credits and Charges Associated with Unconsolidated Affiliates	0	(0.9)		0	(0.9)
Unconsolidated Affiliates [Member]
Gain Contingencies [Line Items]
Other Operating Credits and Charges Associated with Unconsolidated Affiliates	$ 0	$ (2.7)		$ 0	$ (2.7)