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Normal retirement age of employees.

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Share based compensation arrangement by share based payment award restriction period.

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Amount of paid and unpaid cash, stock, and paid-in-kind dividends declared for award under share-based payment arrangement.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Description of service or performance condition required to be met for earning right to award under share-based payment arrangement. Includes, but is not limited to, combination of market, performance or service condition.

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Rate of weighted-average expected volatility for award under share-based payment arrangement.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Amount of noncash expense for option under share-based payment arrangement.

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Stock-Based Compensation - Additional Information (Detail) - USD ($)	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of common shares available for gran (in shares)	4,525,000
Periods of performance considered for calculating compensation expense	3 years
Executive officers and other highly compensated employees salary and annual cash incentive compensation deferrals percentage, maximum	100.00%
Executive officers share-based long-term incentive compensation deferrals percentage, maximum	90.00%
Number of common shares reserved for future issuance (in shares)	2,032,000
Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expense related to director deferred compensation	$ 175,000	$ 154,000	$ 127,000
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercisable beginning period	1 year
Maximum rate of stock option, description	not exceeding 25 percent per year
Option expiring period	10 years
Normal retirement age	65 years
Period for options considered to be forfeited for retirees	12 months
Termination period on death or disability of option holder	12 months
Compensation expense recognized	$ 10,087,000	$ 10,067,000	$ 9,964,000
Unrecognized compensation cost related to nonvested stock option	$ 11,294,000
Weighted average period expected to be amortized, non vested shares	1 year 8 months 12 days
Weighted-average expected volatility used	25.40%	24.30%	25.00%
Weighted average grant date fair value of stock options granted (in dollars per share)	$ 38.57	$ 31.74	$ 31.42
Total intrinsic value of options exercised	$ 65,783,000	$ 31,881,000	$ 35,696,000
Cash received from the exercise of stock options	$ 50,853,000	26,020,000	18,811,000
Stock Options \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage	25.00%
Restricted Shares and Restricted Share Units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant restricted shares transferred period	3 years
Restricted Shares and Restricted Share Units \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant restricted shares transferred period	1 year
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Normal retirement age	65 years
Weighted average period expected to be amortized, non vested shares	2 years
Period for restricted shares and share units considered to be forfeited for retirees	12 months
Restricted shares termination period for disability or death	12 months
Unrecognized compensation cost related to nonvested restricted stock	$ 4,292,000
Expense related to nonvested common shares	3,956,000	3,608,000	2,610,000
Common share dividends amount included in compensation cost	$ 87,000	84,000	70,000
Restricted Stock Unit
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Period for pro-rata vesting of shares or units for non-employee directors	12 months
Unrecognized compensation cost related to nonvested restricted stock	$ 0
Expense related to nonvested common shares	1,181,000	1,052,000	1,011,000
Performance Share Incentive Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense	(2,732,000)	2,989,000	$ 7,635,000
Cumulative amount recorded in shareholders' equity related to Long-Term Incentive Plan	$ 1,557,000	$ 10,459,000
Award requisite service period	3 years
Performance Share Incentive Awards \| November 26, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value (in dollars per share)		$ 120.12
Performance Share Incentive Awards \| August 1, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value (in dollars per share)		$ 138.53	$ 138.53
Performance Share Incentive Awards \| November 20, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value (in dollars per share)			$ 123.45
Performance Share Incentive Awards \| November 25, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value (in dollars per share)	$ 160.02
Performance Share Incentive Awards \| March 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value (in dollars per share)	133.01
Performance Share Incentive Awards \| July 6, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair value (in dollars per share)	$ 184.04
Deferred Compensation
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common share dividends amount included in compensation cost	$ 276,000	$ 300,000	$ 273,000
Executive officers and other highly compensated employees salary and annual cash incentive compensation deferrals percentage, maximum	100.00%
Executive officers share-based long-term incentive compensation deferrals percentage, maximum	90.00%