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 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Net loss $ (160,798) $ (47,661) $ (176,230) $ (58,653)
Other comprehensive income (loss), net of tax        
Foreign currency translation adjustments (9,721) 23,400 (8,135) (23,923)
Total other comprehensive income (loss), net of tax (6,895) 13,050 (5,258) (28,748)
Comprehensive loss $ (167,693) (34,611) $ (181,488) (87,401)
As Previously Reported        
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Net loss   (40,456)   (53,796)
Other comprehensive income (loss), net of tax        
Foreign currency translation adjustments   23,438   (23,860)
Total other comprehensive income (loss), net of tax   13,088   (28,685)
Comprehensive loss   (27,368)   (82,481)
Adjustments        
Error Corrections and Prior Period Adjustments Restatement [Line Items]        
Net loss   (7,205)   (4,857)
Other comprehensive income (loss), net of tax        
Foreign currency translation adjustments   (38)   (63)
Total other comprehensive income (loss), net of tax   (38)   (63)
Comprehensive loss   $ (7,243)   $ (4,920)