Income Taxes - Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Income Tax Disclosure [Abstract]
Gross balance at beginning of year	$ 7,481	$ 8,002	$ 2,872
Additions based on tax positions related to the current year	0	300	410
Additions for tax positions of prior years	80	0	10
Increases related to acquired businesses	0	0	6,602
Reductions for tax positions of prior years	(1,296)	(418)	0
Lapse of statute of limitations	(300)	(403)	(1,892)
Gross balance at end of year	$ 5,965	$ 7,481	$ 8,002