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v3.23.3

Fair Values of Financial Instruments (Tables) | 12 Months Ended
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Sep. 30, 2023
Fair Values of Financial Instruments [Abstract] |
Carrying Amount and Fair Value of Debt, Interest Rate Swap and Non-Qualified Plan Assets |
|  | Carrying |  |  |  |  |
|  | Amount |  | Fair Value |  | Fair Value Measurements
Senior Notes |  | $ | 350,000 |  | $ | 287,875 |  | Level 2
Facility Bonds |  |  | 54,440 |  |  | 54,440 |  | Level 2
Secured notes payable and other |  |  | 145,718 |  |  | 145,718 |  | Level 2
Interest rate swaps derivative contract asset |  |  | 17,515 |  |  | 17,515 |  | Level 2
Non-qualified retirement plan assets |  |  | 20,074 |  |  | 20,074 |  | Level 2

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- Definition Tabular disclosure of information pertaining to carrying amount and estimated fair value of short-term and long-term debt instruments or arrangements, including but not limited to, identification of terms, features, and collateral requirements. + References No definition available. + Details
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