Other Expense, Net (Tables)

12 Months Ended

Dec. 31, 2015

Other Income and Expenses [Abstract]

Components of Other (Income) Expense

The components of other income (expense), net, were as follows (dollars in millions):

	Year Ended December 31
	2015			2014			2013
Asset disposals and write-offs	$	(14.0	)	$	(10.1	)	$	(13.2	)
Integration-related and other costs (a)	(12.9		)	(20.0		)	(17.4		)
DeRidder restructuring (b)	7.1			(7.3		)	—
Sale of St. Helens Paper Mill Site (c)	6.7			—			—
Refundable state tax credit (d)	3.6			—			—
Class action lawsuit settlement (e)	—			(17.6		)	—
Acquisition-related costs (f)	—			—			(17.2		)
Pension curtailment charges (g)	—			—			(10.9		)
Other	2.8			(2.3		)	(0.3		)
Total	$	(6.7	)	$	(57.3	)	$	(59.0	)

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(a) Includes Boise acquisition integration-related and other costs, which primarily relate to severance, retention, travel, and professional fees.

(b) 2015 and 2014 include amounts from restructuring activities at our mill in DeRidder, Louisiana including costs related to the conversion of the No. 3 newsprint machine to containerboard, our exit from the newsprint business, and other improvements. We completed the restructuring activities in first quarter 2015. In 2015, we recorded $7.1 million of income from vendor settlements.

(c) In September 2015, we sold the remaining land, buildings, and equipment at our paper mill site in St. Helens, Oregon where we ceased paper production in December 2012. We recorded a $6.7 million gain on the sale.

(d) Includes a $3.6 million tax credit from the State of Louisiana related to our recent capital investment and the jobs retained at the DeRidder, Louisiana mill, which was recorded as a benefit.

(e) Includes $17.6 million of costs for the settlement of the Kleen Products LLC v Packaging Corp. of America et al class action lawsuit. See Note 19, Commitments, Guarantees, Indemnifications, and Legal Proceedings, for more information.

(f) Includes $17.2 million of acquisition-related costs, primarily for professional fees related to transaction-advisory services and expenses related to financing the acquisition of Boise.

(g) Includes $10.9 million of non-cash pension curtailment charges related to pension plan changes in which certain hourly corrugated plant and containerboard mill employees will transition from a defined benefit pension plan to a defined contribution (401k) plan.