XML 49 R15.htm IDEA: XBRL DOCUMENT v2.4.0.6
Pension And Other Postretirement Benefit Plans
3 Months Ended
Mar. 31, 2012
Pension And Other Postretirement Benefit Plans [Abstract]  
Pension And Other Postretirement Benefit Plans

9. Pension and Other Postretirement Benefit Plans

Defined Benefit Pension Plans - The company has both tax-qualified and nonqualified, noncontributory defined benefit pension plans that together cover certain domestic and foreign employees. These plans provide benefits based upon a participant's compensation and years of service.

The components of net periodic pension cost are as follows:

 

     Three Months Ended
March 31,
 
         2012             2011      
(dollars in millions)             

Service cost, net of employee contributions

   $ 6.9      $ 6.7   

Interest cost

     4.8        4.7   

Expected return on plan assets

     (5.8     (5.8

Amortization

     2.5        2.0   
  

 

 

   

 

 

 

Net periodic pension cost

   $ 8.4      $ 7.6   
  

 

 

   

 

 

 

Other Postretirement Benefit Plan - The company does not provide subsidized postretirement healthcare benefits and life insurance coverage except for a limited number of former employees. As this plan is unfunded, contributions are made as benefits are incurred. The net periodic benefit cost was $0.2 million for the three months ended March 31, 2012 and 2011.