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REVENUE RECOGNITION (Tables)
12 Months Ended
Sep. 30, 2025
Revenue from Contract with Customer [Abstract]  
Schedule of Contract Assets and Contract Liabilities
The following table summarizes the balances of the Company's unbilled receivables (contract assets), which are reported in Other assets (current and noncurrent), and its customer advances (contract liabilities), which are reported in Accrued expenses and Other liabilities.    
2024 2025 
Unbilled receivables (contract assets)$1,599 1,891 
Customer advances (contract liabilities)(1,115)(1,105)
      Net contract assets$484 786