v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Changes in Operating Assets and Liabilities (Details) - USD ($)
$ in Thousands
 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash flows from operating activities:    
Gain on sale of businesses $ 0 $ (25,299)
Changes in operating assets:    
Accounts receivable   0
Prepaid expenses and other current assets   0
Other assets   0
Changes in operating liabilities:    
Accounts payable   0
Accrued expenses and other current liabilities   0
Acquisition escrow obligations   0
Deferred revenue   0
Operating lease liabilities   0
Other long-term liabilities   0
Contingent consideration paid in excess of original estimates   0
Changes in operating assets and liabilities $ (5,099) (51,311)
Merchant Services Business    
Cash flows from operating activities:    
Gain on sale of businesses   0
Healthcare RCM Business    
Cash flows from operating activities:    
Gain on sale of businesses   0
As Previously Reported    
Cash flows from operating activities:    
Gain on sale of businesses   0
Changes in operating assets:    
Accounts receivable   1,955
Prepaid expenses and other current assets   (922)
Other assets   (1,023)
Changes in operating liabilities:    
Accounts payable   (677)
Accrued expenses and other current liabilities   (37,450)
Acquisition escrow obligations   (2,174)
Deferred revenue   (7,597)
Operating lease liabilities   (2,561)
Other long-term liabilities   (102)
Contingent consideration paid in excess of original estimates   (760)
Changes in operating assets and liabilities   0
As Previously Reported | Merchant Services Business    
Cash flows from operating activities:    
Gain on sale of businesses   661
As Previously Reported | Healthcare RCM Business    
Cash flows from operating activities:    
Gain on sale of businesses   (25,960)
Adjustment    
Cash flows from operating activities:    
Gain on sale of businesses   (25,299)
Changes in operating assets:    
Accounts receivable   (1,955)
Prepaid expenses and other current assets   922
Other assets   1,023
Changes in operating liabilities:    
Accounts payable   677
Accrued expenses and other current liabilities   37,450
Acquisition escrow obligations   2,174
Deferred revenue   7,597
Operating lease liabilities   2,561
Other long-term liabilities   102
Contingent consideration paid in excess of original estimates   760
Changes in operating assets and liabilities   (51,311)
Adjustment | Merchant Services Business    
Cash flows from operating activities:    
Gain on sale of businesses   (661)
Adjustment | Healthcare RCM Business    
Cash flows from operating activities:    
Gain on sale of businesses   $ 25,960