Stock-Based Compensation - Fair Value Assumptions of Stock Options (Detail) - Stock Options - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility, Minimum	30.30%	30.30%	30.40%
Expected volatility, Maximum	31.20%	31.70%	31.80%
Risk-free interest rate, Minimum	4.43%	4.22%	3.79%
Risk-free interest rate, Maximum	4.48%	4.52%	4.21%
Compensation expense recognized	$ 3,131	$ 4,616	$ 6,655
Share-Based Payment Arrangement, Exercise of Option, Tax Benefit	$ 1,734	$ 4,568	$ 3,717
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	1.51%	1.15%	1.12%
Expected life of the option (in years)	5 years	5 years	5 years
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield		1.20%	1.27%
Expected life of the option (in years)	6 years 3 months 18 days	6 years 2 months 12 days	6 years 2 months 12 days