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PENSION AND OTHER POSTRETIREMENT PLANS (Tables)
12 Months Ended
Sep. 30, 2011
PENSION AND OTHER POSTRETIREMENT PLANS [Abstract] 
Reconciliation of Benefit Obligations, Plan Assets and Funded Status of Pension Plans
The following provides a reconciliation of benefit obligations, plan assets and funded status of the plans as of the Company's actuarial valuation as of September 30, 2011:

   
Pension
  
Other Postretirement
 
   
2011
  
2010
  
2011
  
2010
 
Change in benefit obligation:
            
Benefit obligation, beginning of year
 $145,909  $138,935  $24,400  $25,650 
Service cost
  5,016   4,489   632   691 
Interest cost
  7,510   7,495   1,254   1,383 
Assumption changes
  16,501   2,034   2,285   683 
Actuarial gain
  (887)    (1,677)  (226)  (3,214)
Benefit payments
  (6,016)    (5,367)  (798)  (793) 
Benefit obligation, end of year
  168,033   145,909   27,547   24,400 
 
                
Change in plan assets:
                
Fair value, beginning of year
  94,869   84,428   -   - 
Actual return
  1,300   6,036   -   - 
Benefit payments
  (6,016)   (5,367)   (798)   (793) 
Employer contributions
  10,401   9,772   798   793 
Fair value, end of year
  100,554   94,869   -   - 
                  
Funded status
  (67,480)   (51,040)   (27,547)   (24,400) 
Unrecognized actuarial loss
  85,868   68,793   8,462   6,810 
Unrecognized prior service cost
  (525)   227   (1,607)   (2,083) 
Net amount recognized
 $17,863  $17,980  $(20,692)  $(19,673) 
                  
Amounts recognized in the consolidated balance sheet:
                
Current liability
 $(766)  $(765)  $(1,130) $(1,093)
Noncurrent benefit liability
  (66,714)   (50,275)   (26,417)  (23,307)
Accumulated other comprehensive loss
  85,343   69,020   6,855   4,727 
Net amount recognized
 $17,863  $17,980  $(20,692) $(19,673)
                  
Amounts recognized in accumulated
                
      other comprehensive loss:
                
Net actuarial loss
 $85,868  $68,793  $8,462  $6,810 
Prior service cost
  (525)   227   (1,607)  (2,083)
Net amount recognized
 $85,343  $69,020  $6,855  $4,727 
 
Net Periodic Pension and Other Postretirement Cost
Net periodic pension and other postretirement benefit cost for the plans included the following:

   
Pension
  
Other Postretirement
 
   
2011
  
2010
  
2009
  
2011
  
2010
  
2009
 
                    
Service cost
 $5,016  $4,489  $3,366  $632  $691  $572 
Interest cost
  7,510   7,495   7,496   1,254   1,383   1,542 
Expected return on plan assets
  (7,398)   (6,982)   (7,593)   -   -   - 
Amortization:
                        
Prior service cost
  26   24   28   (476)   (726)   (1,297) 
Net actuarial loss
  5,364   5,395   1,759   407   521   294 
Net benefit cost
 $10,518  $10,421  $5,056  $1,817  $1,869  $1,111 

Contributions During Fiscal Year
Contributions made in fiscal 2011 are as follows:

Contributions
 
Pension
  
Other Postretirement
 
        
       
   Principal retirement plan
 $9,000  $- 
   Supplemental retirement plan
  745   - 
   Other postretirement plan
  -   798 

Amounts of AOCL Expected to be Recognized in Net Periodic Benefit Costs
Amounts of AOCL expected to be recognized in net periodic benefit costs in fiscal 2012 include:

      
Other
 
   
Pension
  
Postretirement
 
   
Benefits
  
Benefits
 
        
Net actuarial loss
 $6,820  $535 
Prior service cost
  (45)  (451)
 
Weighted-Average Assumptions for Principal Retirement and Other Postretirement Benefit Plans
The measurement date of annual actuarial valuations for the Company's principal retirement and other postretirement benefit plans was September 30 for fiscal 2011, 2010 and 2009.  The weighted-average assumptions for those plans were:

   
Pension
  
Other Postretirement
 
   
2011
  
2010
  
2009
  
2011
  
2010
  
2009
 
Discount rate
  4.75%  5.25%  5.50%  4.75%  5.25%  5.50%
Return on plan assets
  8.00   8.00   8.50   -   -   - 
Compensation increase
  3.50   3.50   4.25   -   -   - 

Weighted Average Asset Allocation and Target Allocation
The Company's primary defined benefit pension plan's weighted-average asset allocation at September 30, 2011 and 2010 and weighted-average target allocation were as follows:

   
Plan Assets at
  
Target
 
Asset Category
 
2011
  
2010
  
Allocation
 
Equity securities
 $50,147  $49,941   50%
Fixed income, cash and cash equivalents
  37,032   32,716   30%
Other investments
  13,375   12,212   20%
   $100,554  $94,869   100%

Fair Value Allocation of Plan Assets
Asset Category
 
Level 1
  
Level 2
  
Level 3
  
Total
 
Equity securities - stocks
 $23,954  $-  $-  $23,954 
Equity securities - mutual funds
  26,193   -   -   26,193 
Fixed income securities
  7,197   14,421   -   21,618 
Cash and cash equivalents
  15,414   -   -   15,414 
Other investments
  -   -   13,375   13,375 
Total
 $72,758  $14,421  $13,375  $100,554 

Changes in Fair Value of Level 3 Plan Assets
Changes in the fair value of Level 3 assets are summarized as follows:

   
Fair Value
              
Fair Value
 
   
September 30,
        
Realized
  
Unrealized
  
September 30,
 
 Asset Category
 
2010
  
Acquisitions
  
Dispositions
  
Losses
  
Gains
  
2011
 
                    
Other investments
 $12,212  $-  $-  $90  $1,073  $13,375 

Benefit Payments Expected to be Paid
Benefit payments expected to be paid are as follows:

      
Other
 
   
Pension
  
Postretirement
 
Years ending September 30:
 
Benefits
  
Benefits
 
        
2012
 $6,042  $1,130 
2013
  6,365   1,240 
2014
  6,762   1,363 
2015
  7,120   1,454 
2016
  7,599   1,519 
2017-2020
  45,547   9,657 
   $79,435  $16,363