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Employee Benefit Plans (Tables)
9 Months Ended
Jun. 30, 2020
Retirement Benefits [Abstract]  
Schedule of Components of Net Periodic Pension and Postretirement Benefit Cost Net pension plan and postretirement plan expense is detailed as follows:
 
 Three Months EndedNine Months Ended
June 30,June 30,
 2020201920202019
Components of net periodic pension cost:
Service cost$172,902  $134,317  $518,706  $402,951  
Interest cost265,557  291,682  796,671  875,046  
Expected return on plan assets(459,156) (387,359) (1,377,468) (1,162,077) 
Recognized loss113,936  39,650  341,808  118,950  
Net periodic pension cost$93,239  $78,290  $279,717  $234,870  
 
 Three Months EndedNine Months Ended
June 30,June 30,
 2020201920202019
Components of postretirement benefit cost:
Service cost$41,970  $33,221  $125,910  $99,663  
Interest cost132,869  162,236  398,607  486,708  
Expected return on plan assets(137,599) (136,805) (412,797) (410,415) 
Recognized loss59,343  30,951  178,029  92,853  
Net postretirement benefit cost$96,583  $89,603  $289,749  $268,809  
Summary of Employer Contributions to Defined Benefit Plans
The table below reflects the Company's actual contributions made fiscal year-to-date and the expected contributions to be made during the balance of the current fiscal year.  
Fiscal Year-to-Date ContributionsRemaining Fiscal Year Contributions
Defined benefit pension plan$800,000  $—  
Postretirement medical plan400,000  —  
Total$1,200,000  $—