v3.26.1
Fair Value Measurements - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Sep. 30, 2025
Fair Value Disclosures [Abstract]          
Debt securities, available-for-sale, accumulated gross unrealized loss, before tax $ 0   $ 0    
Unrealized loss positions related to available-for-sale debt securities 0   0   $ 0
Goodwill and intangible asset impairments $ 0 $ 0 $ 0 $ 0