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Pension and Other Post-retirement Benefit Plans (Tables)
9 Months Ended
Jun. 30, 2012
Pension And Other Post-Retirement Benefit Plans Tables  
Schedule of components of Net Periodic Benefit Cost

Components of Net Periodic Benefit Cost:

 

   Nine Months Ended June 30, 
   Pension Benefits   Other Benefits 
   2012   2011   2012   2011 
                 
Service cost  $246,496   $249,794   $10,791   $10,364 
Interest cost   578,506    582,044    31,177    31,440 
Expected return on plan assets   (583,646)   (557,278)   —    — 
Amortization of prior service cost   12,314    12,604    (8,768)   (8,768)
Amortization of net (gain) loss   529,149    622,025    (18,355)   (27,054)
Net periodic benefit cost  $782,819   $909,189   $14,845   $5,982