v3.26.1
Stock-Based Compensation - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Net proceeds from issuance of common stock under incentive compensation and employee purchase plans     $ 2,572 $ 2,591
Selling, General, and Administrative Expenses [Member]        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Stock-based compensation expense, approximately $ 4,400 $ 5,600 $ 11,200 $ 16,400