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Stock Compensation Plans (Tables)
9 Months Ended
Jun. 30, 2024
Share-Based Payment Arrangement, Noncash Expense [Abstract]  
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award
Stock option activity for the nine months ended June 30, 2024 and 2023 is summarized as follows:
 Nine Months Ended June 30, 2024Nine Months Ended June 30, 2023
  Number of SharesWeighted
Average
Exercise
Price
 Number of SharesWeighted
Average
Exercise
Price
Options outstanding, beginning of period369,150 $24.00 421,925 $23.30 
Exercised(30,200)13.07 (27,055)19.77 
Granted— — 1,000 33.40 
Forfeited(16,560)26.98 (7,800)28.23 
Options outstanding, end of period322,390 $24.87 388,070 $23.47 
Time Based
Number of Unvested SharesWeighted Average Grant Date Fair Value
Outstanding, September 30, 202326,150 $27.37 
     Granted— — 
     Forfeited— — 
     Vested— — 
Outstanding, June 30, 202426,150 $27.37 
Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
The weighted average assumptions for options granted during the nine months ended June 30, 2023 were as follows:

Expected volatility33 %
Expected life (in years)5
Expected dividend yield2.99 %
Risk free interest rate3.58 %
Grant date fair value per share$8.65 
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range
Additional information regarding options outstanding at June 30, 2024 is as follows:

 Options OutstandingOptions Exercisable
Range of
Exercise
Prices ($)
NumberWeighted
Average
Exercise
Price
Weighted
Average
Remaining
Contractual
Life (Years)
NumberWeighted
Average
Exercise
Price
Weighted
Average
Remaining
Contractual
Life (Years)
10.26-10.7126,250 $10.62 1.026,250 $10.62 1.0
15.67-19.1360,500 16.55 5.238,840 16.37 4.6
26.50-27.4098,820 27.31 7.339,060 27.23 6.3
28.23-29.69103,900 28.79 5.764,300 29.13 4.8
31.80-33.4032,920 31.85 4.432,120 31.60 4.3
 322,390 $24.87 5.6200,570 $24.29 4.5