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Detail of Certain Balance Sheet Accounts (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Detail of Certain Balance Sheet Accounts [Abstract]
Accounts payable, trade	$ 138,591	$ 184,963
Accrued compensation and benefits	90,667	75,190
Accrued insurance liabilities	7,726	7,693
Current operating lease liabilities	19,496	17,319
Other accrued expenses	40,317	31,785
Accounts payable and accrued expenses	296,797	316,950
Executive Savings Plan assets	783	706
Securities and equity investments	675	2,447
Finance Lease, Right-of-Use Asset, after Accumulated Amortization	12,344	10,246
Other	2,345	1,746
Other non-current assets	$ 16,147	$ 15,145

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Detail of Certain Balance Sheet Accounts [Abstract]

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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.

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Carrying value as of the balance sheet date of obligations incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Carrying value as of the balance sheet date of obligations incurred through that date and payable to insurance entities to mitigate potential loss from various risks or to satisfy a promise to provide certain coverage's to employees.

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Sum of the carrying amounts as of the balance sheet date of all investments.

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