Other Income (Expense), Net
 9 Months Ended
Sep. 30, 2016
Other Income and Expenses [Abstract]  
Other Income (Expense), Net
Other Income (Expense), Net

The components of other income (expense), net, were as follows (dollars in millions):
 
Three Months Ended September 30
 
Nine Months Ended September 30
 
2016
 
2015
 
2016
 
2015
Facilities closure costs (a)
$
(1.6
)
 
$
—

 
$
(5.0
)
 
$
—

Acquisition-related costs (b)
(2.0
)
 
—

 
(2.3
)
 
—

Multiemployer pension withdrawal (c)
—

 
—

 
(0.9
)
 
—

Asset disposals and write-offs
(0.6
)
 
(5.0
)
 
(3.5
)
 
(9.7
)
Integration-related and other costs (d)
—

 
(2.4
)
 
—

 
(9.0
)
Sale of St. Helens paper mill site (e)
—

 
6.7

 
—

 
6.7

DeRidder restructuring (f)
—

 
3.8

 
—

 
3.6

Refundable state tax credit (g)
—

 
—

 
—

 
3.6

Other
(2.0
)
 
0.7

 
(3.5
)
 
1.9

Total
$
(6.2
)
 
$
3.8

 
$
(15.2
)
 
$
(2.9
)
___________
(a)
The three and nine months ended September 30, 2016 include facilities closure costs related to corrugated products facilities and a paper products facility.
(b)
The three and nine months ended September 30, 2016 include acquisition-related costs for the TimBar Corporation acquisition.
(c)
The nine months ended September 30, 2016 include costs related to our withdrawal from a multiemployer pension plan for one of our corrugated products facilities.
(d)
The three and nine months ended September 30, 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.
(e)
The three and nine months ended September 30, 2015 include a gain on the sale of the paper mill site in St. Helens, Oregon, where we ceased paper production in December 2012.
(f)
The three and nine months ended September 30, 2015 include amounts from restructuring activities at our mill in DeRidder, Louisiana.
(g)
The nine months ended September 30, 2015 include a tax credit from the State of Louisiana related to our capital investment and the jobs retained at the DeRidder, Louisiana mill.