XML 65 R27.htm IDEA: XBRL DOCUMENT v2.4.0.6
PENSION AND POSTRETIREMENT PLANS (Tables)
3 Months Ended
Mar. 31, 2013
Postemployment Benefits [Abstract]  
Schedule of Pensions and Postretirement Plans
The effect on operations for the Company Plan and the PEP is summarized as follows:

 
Three Months Ended
March 31,
 
 
2013
 
2012
 
Service cost for benefits earned
$
0.6

 
$
0.6

 
Interest cost on benefit obligation
3.7

 
3.7

 
Expected return on plan assets
(4.3
)
 
(4.4
)
 
Net amortization and deferral
3.0

 
3.1

 
Defined benefit plan costs
$
3.0

 
$
3.0

 
The effect on operations of the post-retirement medical plan is shown in the following table:

 
Three Months Ended
March 31,
 
 
2013
 
2012
 
Service cost for benefits earned
$
0.1

 
$
0.1

 
Interest cost on benefit obligation
0.6

 
0.6

 
Net amortization and deferral
0.2

 

 
Postretirement medical plan costs
$
0.9

 
$
0.7