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Retirement Plans
 6 Months Ended
Jun. 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
 
6 Months Ended
 
 
June 30,
 
June 30,
 
 
2014
 
2013
 
2014
 
2013
 
Service cost
 
$
2.1
   
$
2.2
   
$
4.1
   
$
4.4
 
Interest cost
   
3.4
     
3.0
     
6.7
     
6.1
 
Expected return on assets
   
(3.5
)
   
(2.8
)
   
(6.8
)
   
(5.6
)
Curtailment gain
   
-
     
(2.3
)
   
-
     
(2.3
)
Other
   
1.0
     
1.0
     
2.0
     
1.9
 
Total benefit cost
 
$
3.0
   
$
1.1
   
$
6.0
   
$
4.5
 
 
 
Retiree Health Care Plan
 
 
3 Months Ended
 
6 Months Ended
 
 
June 30,
 
June 30,
 
 
2014
 
2013
 
2014
 
2013
 
Interest cost
 
$
0.2
   
$
0.3
   
$
0.4
   
$
0.6
 
Net loss
   
-
     
0.1
     
-
     
0.2
 
Total benefit cost
 
$
0.2
   
$
0.4
   
$
0.4
   
$
0.8
 

During the three and six months ended June 30, 2014, contributions made to our pension plans were $2.9 and $6.2, respectively, and contributions made to our retiree health care plan were $0.4 and $0.9, respectively. 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.