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Detail of Certain Balance Sheet Accounts (Notes) | 12 Months Ended
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Sep. 30, 2021
Detail of Certain Balance Sheet Accounts [Abstract] |
Detail Of Certain Balance Sheet Accounts [Text Block] | 7. DETAIL OF CERTAIN BALANCE SHEET ACCOUNTS Accounts payable and accrued expenses consist of the following:
| Year Ended September 30,
| 2021 |  | 2020
Accounts payable, trade | $ | 136,967 |  |  | $ | 93,315 |
Accrued compensation and benefits | 61,109 |  |  | 53,933
Accrued insurance liabilities | 5,787 |  |  | 6,254
Current operating lease liabilities | 13,973 |  |  | 11,056
Other accrued expenses | 31,278 |  |  | 22,152
| $ | 249,114 |  |  | $ | 186,710 |
Other non-current assets are comprised of the following:
| Year Ended September 30,
| 2021 |  | 2020
Executive Savings Plan assets | $ | 937 |  |  | $ | 766 |
Securities and equity investments | 10 |  |  | — |
Right of use asset - finance leases | 3,927 |  |  | 1,600 |
Other | 2,175 |  |  | 3,414 |
Total | $ | 7,049 |  |  | $ | 5,780 |

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