4.	Other Income (Expense), Net

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

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2017			2016			2017			2016
Wallula mill restructuring (a)	$	(22.7	)	$	—		$	(22.7	)	$	—
DeRidder mill incident (b)		2.6			—			0.1			—
Facilities closure and other costs (c)(f)		(0.9	)		(1.6	)		(1.9	)		(5.9	)
Acquisition and integration related costs (d)(g)		(0.5	)		(2.0	)		(0.8	)		(2.3	)
Hexacomb working capital adjustment (e)		—			—			2.3			—
Asset disposals and write-offs		(3.9	)		(0.6	)		(8.6	)		(3.5	)
Other		0.6			(2.0	)		(0.8	)		(3.5	)
Total	$	(24.8	)	$	(6.2	)	$	(32.4	)	$	(15.2	)

(a)

The three and nine months ended September 30, 2017 include $22.7 million of charges related to the announced second quarter 2018 discontinuation of uncoated free sheet and coated one-side grades at the Wallula, Washington mill associated with the conversion of the No. 3 paper machine to a high-performance 100% virgin kraft linerboard machine.

(b)	The three and nine months ended September 30, 2017 include $2.6 million and $0.1 million of net recoveries, respectively, for the property damage and business interruption insurance recoveries and corresponding costs related to the February 2017 explosion at our DeRidder, LA mill.

(c)

The three and nine months ended September 30, 2017 include $0.9 million and $1.9 million, respectively, of charges consisting of closure costs related to corrugated products facilities, a paper administration facility and costs related to a lump sum settlement payment of a multiemployer pension plan withdrawal liability for one of our corrugated products facilities.

(d)	The three and nine months ended September 30, 2017 include $0.5 million and $0.8 million, respectively, of charges related to the Sacramento Container Corporation acquisition and integration costs related to other recent acquisitions.

(e)	The nine months ended September 30, 2017 include $2.3 million of income related to a working capital adjustment from the April 2015 sale of our Hexacomb corrugated manufacturing operations in Europe and Mexico.

(f)

The three and nine months ended September 30, 2016 include $1.6 million and $5.9 million, respectively, of charges consisting of closure costs related to corrugated products facilities and a paper products facility and costs related to our withdrawal from a multiemployer pension plan for one of our corrugated products facilities.

(g)	The three and nine months ended September 30, 2016 include $2.0 million and 2.3 million, respectively, of charges related to the acquisition and integration of TimBar Corporation.