v3.26.1
Summary of Significant Accounting Policies - Revision of Previously Issued Financial Statements - Condensed Consolidated Statement of Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Net loss $ 2,456 $ (47,987) $ (173,774) $ (106,640)
Other comprehensive income (loss), net of tax        
Foreign currency translation adjustments (1,734) 57,098 (9,869) 33,176
Total other comprehensive income (loss), net of tax (1,269) 22,291 (6,527) (6,457)
Comprehensive income (loss) $ 1,187 (25,696) $ (180,301) (113,097)
As Previously Reported        
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Net loss   (52,806)   (106,602)
Other comprehensive income (loss), net of tax        
Foreign currency translation adjustments   57,321   33,462
Total other comprehensive income (loss), net of tax   22,514   (6,171)
Comprehensive income (loss)   (30,292)   (112,773)
Adjustments        
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Net loss   4,819   (38)
Other comprehensive income (loss), net of tax        
Foreign currency translation adjustments   (223)   (286)
Total other comprehensive income (loss), net of tax   (223)   (286)
Comprehensive income (loss)   $ 4,596   $ (324)