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Retirement Plans
 9 Months Ended
Sep. 30, 2014
Retirement Plans [Abstract]  
Retirement Plans
(9) Retirement Plans

The components of the net periodic benefit cost for our plans were as follows:

 
Defined Benefit Pension Plans
 
 
3 Months Ended
 
9 Months Ended
 
 
September 30,
 
September 30,
 
 
2014
 
2013
 
2014
 
2013
 
Service cost
 
$
2.0
   
$
2.2
   
$
6.1
   
$
6.6
 
Interest cost
   
3.3
     
3.1
     
10.0
     
9.2
 
Expected return on assets
   
(3.3
)
   
(2.8
)
   
(10.1
)
   
(8.4
)
Curtailment gain
   
-
     
-
     
-
     
(2.3
)
Other
   
1.0
     
1.1
     
3.0
     
2.9
 
Total benefit cost
 
$
3.0
   
$
3.6
   
$
9.0
   
$
8.0
 


 
Retiree Health Care Plan
 
 
3 Months Ended
 
9 Months Ended
 
 
September 30,
 
September 30,
 
 
2014
 
2013
 
2014
 
2013
 
Service cost
 
$
-
   
$
0.1
   
$
-
   
$
0.1
 
Interest cost
   
0.2
     
0.3
     
0.6
     
0.9
 
Net loss
   
0.1
     
-
     
0.1
     
0.2
 
Total benefit cost
 
$
0.3
   
$
0.4
   
$
0.7
   
$
1.2
 

During the three and nine months ended September 30, 2014, contributions made to our pension plans were $5.0 and $11.2, respectively, and contributions made to our retiree health care plan were $0.3 and $1.2, respectively. During 2014, we expect to make total contributions of approximately $13.0 to our pension plans and to fund our retiree health care payments as incurred.