v3.26.1
Goodwill and other intangible assets - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2026
Apr. 30, 2025
Intangible Asset, Goodwill and Other [Abstract]        
Amortization of intangibles $ 19,406 $ 19,697 $ 38,975 $ 39,007