v3.25.4
Stock-Based Awards - Summary of Stock Option Activity Including Performance Based Options (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2025
Sep. 30, 2025
Options    
Outstanding as of beginning of period 5,759  
Granted 1,153  
Exercised (16)  
Expired (252)  
Outstanding as of end of period 6,644 5,759
Options vested and expected to vest as of end of period 6,644  
Options exercisable as of end of period 3,991  
Weighted Average Exercise Price    
Outstanding $ 36.31  
Granted 13.66  
Exercised 8.93  
Expired 34.77  
Outstanding 32.5 $ 36.31
Options vested and expected to vest as of end of period 32.5  
Options exercisable as of end of period $ 45.16  
Weighted Average Remaining Contractual Term    
Outstanding as of end of period 6 years 8 months 12 days 6 years
Options vested and expected to vest as of end period 6 years 8 months 12 days  
Options exercisable as of end of period 5 years 1 month 6 days  
Aggregate Intrinsic Value    
Aggregate Intrinsic Value $ 16,933 $ 6,457
Options vested and expected to vest as of end of period 16,933  
Options exercisable as of end of period $ 5,639