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Long-Term Debt (Tables)
12 Months Ended
Sep. 30, 2023
Long-Term Debt [Abstract]  
Schedule of Long-Term Debt and Short-Term Loans

2023

2022

Bonds payable:

Senior notes, interest rate of 4.00%, maturing 2031

$

350,000,000

$

350,000,000

Recovery Zone Facility Bonds, maturing 2036

54,440,000

58,970,000

Notes payable due to banks, weighted average interest rate of 6.29% for 2023

  and 2.31% for 2022

151,069,954

169,021,513

Less unamortized prepaid loan costs

(5,351,705)

(6,083,304)

Total long-term debt

550,158,249

571,908,209

Less current portion

17,526,289

17,620,789

Long-term debt, net of current portion

$

532,631,960

$

554,287,420

Schedule of Redemption Prices of Senior Notes

Year

2026

102.000%

2027

101.333%

2028

100.667%

2029 and thereafter

100.000%

Schedule of Components of Interest Costs

2023

2022

2021

Total interest costs

$

23,056,378

$

21,848,860

$

25,463,076

Interest capitalized

(988,088)

(340,725)

(1,130,933)

Interest expense

$

22,068,290

$

21,508,135

$

24,332,143

Schedule of Maturities of Long-Term Debt

Fiscal Year

2024

$

18,280,000

2025

18,280,000

2026

18,280,000

2027

18,280,000

2028

12,766,620

Thereafter

469,623,334

Less unamortized prepaid loan costs

(5,351,705)

Total

$

550,158,249