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Fair Value Measurements (Tables) | 6 Months Ended
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Mar. 31, 2023
Fair Value Disclosures [Abstract] |
Fair Value, Liabilities Measured on Recurring Basis | The following table presents the Company’s liabilities measured at fair value on a recurring basis as of March 31, 2023 and September 30, 2022 under ASC 820, Fair Value Measurements (in thousands):
| March 31, 2023 |  | September 30, 2022
| (unaudited) |  |
| Level 2 |  | Level 2
Assets: |  |  |
Commodity swap contracts | $ | — |  |  | $ | 1,187 |
Interest rate swaps | 18,882 |  |  | 24,719 |
Corporate debt securities | 3,716 |  |  | 2,537 |
U.S. government securities | 5,626 |  |  | 2,481 |
Municipal government securities | 1,072 |  |  | 1,055 |
Agency backed securities | 889 |  |  | 793 |
Total assets | 30,185 |  |  | 32,772 |
Liabilities: |  |  |
Commodity swap contracts | $ | 1,760 |  |  | $ | 661 |
Total liabilities | $ | 1,760 |  |  | $ | 661 |

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- Definition Tabular disclosure of liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, by class that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Where the quoted price in an active market for the identical liability is not available, the Level 1 input is the quoted price of an identical liability when traded as an asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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