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Pension And Other Postretirement Benefit Plans
3 Months Ended
Jun. 30, 2011
Pension And Other Postretirement Benefit Plans  
Pension And Other Postretirement Benefit Plans
 

NOTE 10.   PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS

The Company has several defined benefit pension plans covering U.S. salaried employees and certain foreign and other employee groups.  These plans provide retirement benefits based primarily on employee compensation and years of service.  The Company also provides postretirement health and life insurance benefits for eligible U.S. employees attaining specific age and service levels.

The components of the Company's net periodic benefit cost were as follows:

   
Pension Benefits
   
Other Postretirement Benefits
 
   
Three Months Ended
   
Three Months Ended
 
   
June 30,
   
June 30,
 
(in thousands of dollars)
 
2011
   
2010
   
2011
   
2010
 
Service cost
  $ 1,290     $ 1,240     $ 189     $ 204  
Interest cost
    3,451       3,547       578       624  
Expected return on plan assets
    (3,709 )     (3,696 )     (34 )     (36 )
Net amortization and deferral
    1,342       996       (58 )     (78 )
Net periodic benefit cost
  $ 2,374     $ 2,087     $ 675     $ 714  

During the quarter ended June 30, 2011, the Company made contributions of approximately $2.1 million to its qualified and non-qualified pension plans.  Additional contributions of approximately $7.2 million are expected during the remaining nine months of fiscal year 2012.