v3.26.1
REVENUE RECOGNITION - Narrative (Details) - USD ($)
 3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Sep. 30, 2025
Disaggregation of Revenue [Line Items]          
Revenue recognized included in contract liability balance at the beginning of the period $ 4,600,000 $ 3,600,000 $ 27,200,000 $ 19,900,000  
Allowance for credit losses 1,200,000   1,200,000   $ 2,800,000
Contract costs 18,600,000   18,600,000   $ 4,000,000.0
Amortization of costs capitalized to obtain revenue contracts     2,229,000 1,394,000  
Impairment losses recognized on contract costs     0 0  
Income Statement Location [Axis]: us-gaap:SellingAndMarketingExpense          
Disaggregation of Revenue [Line Items]          
Amortization of costs capitalized to obtain revenue contracts $ 900,000 $ 500,000 $ 2,200,000 $ 1,400,000  
Software license          
Disaggregation of Revenue [Line Items]          
Invoice payment period (no more than)     60 days    
SaaS, maintenance, and other          
Disaggregation of Revenue [Line Items]          
Invoice payment period (no more than)     60 days    
Minimum          
Disaggregation of Revenue [Line Items]          
Estimated useful lives of intangible assets (in years) 3 years   3 years    
Revenue, remaining performance obligation, amount period 13 months   13 months    
Minimum | Software          
Disaggregation of Revenue [Line Items]          
Estimated useful lives of intangible assets (in years) 1 year   1 year    
Maximum          
Disaggregation of Revenue [Line Items]          
Estimated useful lives of intangible assets (in years) 7 years   7 years    
Revenue, remaining performance obligation, amount period 36 months   36 months    
Maximum | Software          
Disaggregation of Revenue [Line Items]          
Estimated useful lives of intangible assets (in years) 3 years   3 years