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OTHER BORROWINGS, Credit Facility (Details) - Revolving Credit Facility - The Credit Facility - Line of Credit - USD ($)
6 Months Ended
Mar. 31, 2024
Sep. 30, 2023
Debt Instrument [Line Items]    
Revolving credit agreement maximum borrowing capacity $ 750,000,000  
Revolving credit agreement, outstanding $ 0 $ 0
Revolving credit agreement commitment fee percentage 0.125%