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Detail of Certain Balance Sheet Accounts (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021
Detail of Certain Balance Sheet Accounts [Abstract] |  |
Accounts Receivable, Allowance for Credit Loss, Beginning | $ 2,387 |
Accounts Receivable, Allowance for Credit Loss, Ending | 5,361 | $ 2,387
Accounts payable, trade | 184,963 | 136,967
Accrued compensation and benefits | 75,190 | 61,109
Accrued insurance liabilities | 7,693 | 5,787
Current operating lease liabilities | 17,319 | 13,973
Other accrued expenses | 31,785 | 31,278
Accounts payable and accrued expenses | 316,950 | 249,114
Executive Savings Plan assets | 706 | 937
Securities and equity investments | 2,447 | 10
Finance Lease, Right-of-Use Asset, after Accumulated Amortization | 10,246 | 3,927
Other | 1,746 | 2,175
Other non-current assets | $ 15,145 | $ 7,049

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- Definition Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19,20) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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