Other Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016		Mar. 31, 2015
Other Income and Expenses [Abstract]
Facilities closure costs and other	$ (2.0)	[1]	$ 0.0
Integration-related and other costs	0.0		(3.0)	[2]
Asset disposals and write-offs	(1.8)		(1.0)
DeRidder restructuring	0.0		(1.2)	[3]
Refundable state tax credit	0.0		3.6	[3],[4]
Other	(0.1)		(1.0)
Total	$ (3.9)		$ (2.6)

[1] The three months ended March 31, 2016 include $2.0 million of facilities closure costs related to a corrugated products facility and a paper products facility.

[2] The three months ended March 31, 2015 include Boise acquisition integration-related and other costs. These costs primarily relate to professional fees, severance, retention, relocation, travel, and other integration-related costs.

[3] The three months ended March 31, 2015 include amounts from restructuring activities at our mill in DeRidder, Louisiana

[4] The three months ended March 31, 2015 include a $3.6 million tax credit from the State of Louisiana related to our capital investment and the jobs retained at the DeRidder, Louisiana mill.