XML 29 R16.htm IDEA: XBRL DOCUMENT v3.5.0.2
Retirement Plans
 6 Months Ended
Jun. 30, 2016
Compensation and Retirement Disclosure [Abstract]  
Retirement Plans
Retirement Plans

The components of the net periodic benefit cost for our plans were as follows:
 
Defined Benefit Pension Plans
 
3 Months Ended
6 Months Ended
 
June 30,
June 30,
 
2016
 
2015
 
2016
 
2015
Service cost
$
1.8

 
$
1.7

 
$
3.4

 
$
3.5

Interest cost
3.0

 
2.7

 
6.0

 
5.4

Expected return on assets
(3.0
)
 
(2.8
)
 
(5.9
)
 
(5.6
)
Other
0.3

 
1.1

 
0.6

 
2.2

Total benefit cost
$
2.1

 
$
2.7

 
$
4.1

 
$
5.5



 
Retiree Health Care Plan
 
3 Months Ended
6 Months Ended
 
June 30,
June 30,
 
2016
 
2015
 
2016
 
2015
Interest cost
$
0.2

 
$
0.1

 
$
0.4

 
$
0.3

Net gain
—

 
(0.1
)
 
—

 
(0.3
)
Prior service credit
(0.2
)
 
—

 
(0.4
)
 
—

Total benefit cost
$
—

 
$
—

 
$
—

 
$
—



During the three and six months ended June 30, 2016, contributions made to our pension plans were $1.1 and $2.2, respectively, and contributions made to our retiree health care plan were $0.2 and $0.5, respectively. During 2016, we expect to make total contributions of approximately $5.0 to our pension plans and to fund our retiree health care payments as incurred.