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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% |  |

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