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FINANCING RECEIVABLES (Institutional Loan Balances and Related Allowances for Credit Losses) (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Jun. 30, 2017
Financing Receivables [Line Items]      
Gross Institutional Loans $ 59,788 $ 71,669 $ 59,489
Allowance for Credit Losses:      
Balance at July 1 (12,071) (20,800) (20,800)
Charge-offs and Adjustments 651 2,513 17,949
Recoveries (44) (316) (573)
Additional Provision (1,499) (2,854) (8,647)
Balance at End of Period (12,963) (21,457) (12,071)
Net Institutional Loans $ 46,825 $ 50,212 $ 47,418