Stock-Based Compensation - Fair Value Assumptions of Stock Options (Detail) - Stock Options	3 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected volatility, minimum	30.60%	30.80%
Expected volatility, maximum	30.80%	32.60%
Risk-free interest rate, minimum	1.36%	0.43%
Risk-free interest rate, maximum	1.47%	0.54%
Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	0.76%	0.83%
Expected life of the option (in years)	5 years 3 months 18 days	5 years 3 months 18 days
Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected dividend yield	0.76%	0.83%
Expected life of the option (in years)	6 years 2 months 12 days	6 years 2 months 12 days