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Cumulative amount recorded in shareholders' equity.

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Deferred compensation arrangement with individual employee contribution percentage maximum.

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Deferred compensation arrangement with individual employee contribution percentage of long term incentive compensation maximum.

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Grant date weighted average fair value per share.

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Normal retirement age of employees.

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Restriction period for restricted shares granted.

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

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Share based compensation arrangement by share based payment award options grants in period vesting period.

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

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Share based compensation arrangement by share based payment award termination period on death or disability of option holder.

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Share based compensation share based award options forfeiture period for retirees.

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Share based compensation share based award restricted shares forfeiture period for retirees.

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Share based compensation share based award restricted shares termination period for disability or death.

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Transfer restrictions lapse period for non employee directors.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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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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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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

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Amount of cash inflow from exercise of 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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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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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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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 ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum number of common shares available for grant	4,525
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%
Directors [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expense related to director deferred compensation	$ 44	$ 37
Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum rate of stock option, description	not exceeding 25 percent per year
Option expiring period	10 years
Compensation expense recognized	$ 2,725	$ 2,531
Options exercisable beginning period	1 year
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
Options grants in period vesting period	Dec. 28, 2017
Unrecognized compensation cost related to unvested stock option	$ 18,508
Weighted average period expected to be amortized, non vested shares	1 year 8 months 12 days
Weighted-average expected volatility used	25.10%	24.30%
Weighted average grant date fair value of stock options granted	$ 37.82	$ 31.74
Total intrinsic value of options exercised	$ 17,244	$ 4,621
Cash received from the exercise of stock options	$ 16,379	3,606
Stock Options [Member] \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum rate of stock option	25.00%
Restricted Shares and Restricted Share Units [Member] \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Grant restricted shares transferred period	3 years
Restricted Shares and Restricted Share Units [Member] \| Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Grant restricted shares transferred period	1 year
Restricted Stock [Member]
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
Restriction period for restricted shares granted	Dec. 28, 2017
Unrecognized compensation cost related to nonvested restricted stock	$ 5,747
Expense related to nonvested common shares	1,573	697
Common share dividends amount included in compensation cost	$ 25	18
Restricted Stock Unit [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average period expected to be amortized, non vested shares	9 months 18 days
Period for pro-rata vesting of shares or units for non-employee directors	1 year
Unrecognized compensation cost related to nonvested restricted stock	$ 886
Expense related to nonvested common shares	$ 286	263
Performance Share Incentive Awards [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average grant date fair value	$ 160.02
Compensation expense	$ 1,421	$ 777
Cumulative amount recorded in shareholders' equity related to Long-Term Incentive Plan	$ 5,710
Periods of performance considered for calculating compensation expense	3 years
Performance Share Incentive Awards [Member] \| November 26, 2018 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average grant date fair value		$ 120.12
Performance Share Incentive Awards [Member] \| August 1, 2019 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average grant date fair value		$ 138.53	$ 138.53
Performance Share Incentive Awards [Member] \| November 20, 2017 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average grant date fair value			$ 123.45
Deferred Compensation [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common share dividends amount included in compensation cost	$ 81	$ 72
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%