v3.26.1
Segment Information - Narrative (Details) - Segment
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Revenue, Major Customer [Line Items]        
Operating segments     5  
Reportable segments     3  
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]     srt:ChiefExecutiveOfficerMember  
Segment Reporting, Expense Information Used by CODM, Description     The Company reports reportable segment information based on the internal performance measures used by the CODM to assess the performance of each operating segment in a given period.  
Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description     In connection with that assessment, the CODM uses segment direct profit to evaluate the performance of each segment. Segment direct profit is calculated as total revenue less cost of goods sold (excludes depreciation and amortization).  
Non-US | Sales Revenue | Geographic Concentration Risk        
Revenue, Major Customer [Line Items]        
Concentration risk percentage 9.70% 8.60% 10.10% 9.00%