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Retirement Plans
3 Months Ended
Mar. 31, 2014
Retirement Plans [Abstract]  
Retirement Plans
(9) Retirement Plans

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

   
3 Months Ended March 31,
 
   
Defined Benefit
   
Retiree Health
 
   
Pension Plans
   
Care Plan
 
   
2014
   
2013
   
2014
   
2013
 
Service cost
 
$
2.0
   
$
2.2
   
$
-
   
$
-
 
Interest cost
   
3.3
     
3.1
     
0.2
     
0.3
 
Expected return on assets
   
(3.3
)
   
(2.8
)
   
-
     
-
 
Other
   
1.0
     
0.9
     
-
     
0.1
 
 Net periodic benefit cost
 
$
3.0
   
$
3.4
   
$
0.2
   
$
0.4
 

During the three months ended March 31, 2014, contributions made to our pension plans were $3.3 and contributions made to our retiree health care plan were $0.5. During 2014, we expect to make total contributions of $13.3 to our pension plans and to fund our retiree health care payments as incurred.