RECONCILIATION OF FINANCIAL STATEMENTS TO IRS FORM 5500 - Reconciliation of Benefits Paid to Participants (Details) - EBP 016 - USD ($)	12 Months Ended
Sep. 30, 2025	Sep. 30, 2024
EBP, Reconciliation of Financial Statement to Form 5500 [Line Items]
Benefits paid to participants per the financial statements	$ 651,530,096	$ 301,938,134
Participant notes deemed distributed, end of year	1,182,788	614,907
Participant notes deemed distributed, beginning of year	(614,907)	(640,718)
Amount allocated to withdrawing participants, end of year	156,336	161,105
Amount allocated to withdrawing participants, beginning of year	161,105	77,033
Benefits paid to participants per IRS Form 5500	$ 652,093,208	$ 301,996,395

Amount of decrease in net asset available for benefit from payment of benefit to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), including, but not limited to, withdrawal.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
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-Section 55
-Paragraph 17
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-Topic 962
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-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

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Amount of decrease in net asset available for benefit from benefit payment and payment to provide benefit as reported in Form 5500 caption for employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, payment to provide benefit directly to participant, direct rollover, and payment to insurance carrier. Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC).

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Amount of asset allocated, but not yet paid, to participant electing to withdraw from employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) to reconcile net asset available for benefit per financial statement to Form 5500 caption. Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC).

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Amount of deemed distribution to participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) to reconcile net asset available for benefit per financial statement to Form 5500 caption. Form 5500 is form provided by Department of the Treasury, Internal Revenue Service (IRS); Department of Labor (DOL), Employee Benefit Security Administration (EBSA); and Pension Benefit Guaranty Corporation (PBGC).

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-Name Employee Retirement Income Security Act of 1974
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