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Pension and Other Postretirement Benefit Plans (Tables)
 3 Months Ended
Dec. 31, 2012
Pension and Other Postretirement Benefit Plans [Abstract]  
Net Periodic Pension and Other Postretirement Cost
The Company provides defined benefit pension and other postretirement plans to certain employees. Net periodic pension and other postretirement benefit cost for the plans included the following:

 
   
Three Months Ended December 31,
 
   
Pension
  
Other Postretirement
 
   
2012
  
2011
  
2012
  
2011
 
              
Service cost
 $1,685  $1,424  $199  $182 
Interest cost
  1,913   1,950   282   321 
Expected return on plan assets
  (2,243)  (1,953)  -   - 
Amortization:
                
Prior service cost
  (52)  (11)  (68)  (113)
Net actuarial loss
  1,806   1,680   110   134 
                  
Net benefit cost
 $3,109  $3,090  $523  $524 

Benefit payments under the Company's principal retirement plan are made from plan assets, while benefit payments under the postretirement benefit plan are made from the Company's operating funds.  Under IRS regulations, the Company is not required to make any significant contributions to its principal retirement plan in fiscal year 2013.
Contributions Made and Anticipated for the Current Fiscal Year

 
Contributions made and anticipated for fiscal year 2013 are as follows:

Contributions
 
Pension
  
Other Postretirement
 
        
Contributions during the three months ended December 31, 2012:
      
   Supplemental retirement plan
 $181  $  - 
   Other postretirement plan
  -   215 
          
Additional contributions expected in fiscal 2013:
        
   Supplemental retirement plan
  539   - 
   Other postretirement plan
  -   891