Allocated Share-based Compensation Expense, Potential Accrual

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- Definition

Deferred Compensation Arrangement with Individual, Contributions by Plan Participants, Percentage of Salary, Maximum

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- Definition

Deferred Compensation Arrangement with Individual, Employer Contribution, Percentage

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Additional Service Period

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- Definition

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

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- Definition

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

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

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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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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- Definition

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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No definition available.

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- Definition

Number of additional shares authorized for issuance under share-based payment arrangement.

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No definition available.

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Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

Per share weighted-average price paid for shares purchased on open market for issuance under share-based payment arrangement.

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Number of shares issued under share-based payment arrangement.

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

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Stock Compensation Plans - Additional Information (Details) - USD ($)				12 Months Ended
	Feb. 13, 2020	Nov. 01, 2019	Feb. 11, 2016	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017	Feb. 17, 2011	Feb. 17, 2005
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation plan, maximum shares that may be issued (in shares)	4,800,000		4,200,000					3,500,000	2,250,000
Stock compensation plan, additional shares that may be issued (in shares)	600,000		700,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation plan, maximum shares that may be issued (in shares)			2,112,500					1,562,500	562,500
Compensation expense				$ 9,000,000.0	$ 8,400,000	$ 7,500,000
Unrecognized share-based compensation costs				$ 13,300,000
Unvested shares (in shares)				260,478	284,270	279,431	301,229
Unrecognized share-based compensation costs weighted average period of recognition				1 year 6 months
Restricted stock awards vested (in shares)				89,089	77,031	84,696
Restricted stock awards vested, weighted average fair value (in usd per share)				$ 76.06	$ 88.37	$ 68.82
Restricted stock awards forfeited (in shares)				3,378	6,464	2,352
Granted during fiscal period (in shares)				68,675	88,334	65,250
Restricted Stock \| Outside Directors \| Greater than or equal to 25 percent less than or equal to 35 percent
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation plan, vesting period (in years)				2 years
Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense				$ 665,000	$ 3,774,000	$ 8,579,000
Additional service period				1 year
Management Share Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share purchase plan, company's matched contributions				25.00%
Compensation expense related to the matching contribution				$ 229,000	$ 351,000	$ 289,000
Management Share Purchase Plan \| Outside Directors \| Retainer and Meeting Fees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share purchase plan, percentage compensation received in the form of restricted stock				100.00%
Management Share Purchase Plan \| Officers And Key Management Employees \| Base Salary Compensation
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share purchase plan, percentage compensation received in the form of restricted stock				15.00%
Management Share Purchase Plan \| Officers And Key Management Employees \| Deferred Bonus
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share purchase plan, percentage compensation received in the form of restricted stock				75.00%
Management Share Purchase Plan \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation plan, vesting period (in years)				3 years
Number of shares issued (in shares)				9,134	7,350	10,697
Average price per share purchased by participants (in usd per share)				$ 128.70	$ 128.20	$ 123.45
Restricted stock awards vested (in shares)				12,206	17,142	17,040
Restricted stock awards vested, weighted average fair value (in usd per share)				$ 116.20	$ 89.08	$ 80.38
Restricted stock awards forfeited (in shares)				68	321	259
Management Share Purchase Plan \| Matching Restricted Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued (in shares)				2,185	1,741	2,565
Average price per share purchased by participants (in usd per share)				$ 128.70	$ 128.20	$ 123.45
2017 Performance Share Agreement \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation expense				$ 665,000	$ 1,270,000	$ 0
Unvested shares (in shares)				13,055
2018 Performance Share Agreement \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation plan, vesting period (in years)				2 years
Compensation expense				$ 0	0	0
2018 Performance Share Agreement \| Performance Based Awards \| Outside Directors \| Greater than or equal to 25 percent less than or equal to 35 percent
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation plan, vesting period (in years)				2 years
2019 Performance Share Agreement \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation plan, vesting period (in years)				2 years
Compensation expense				$ 0	$ 0	$ 0
Potential accrued compensation cost				$ 6,000,000.0
2019 Performance Share Agreement \| Performance Based Awards \| Outside Directors \| Greater than or equal to 25 percent less than or equal to 35 percent
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation plan, vesting period (in years)				2 years
2019 Performance Share Agreement \| Performance Based Awards \| Officers And Key Management Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted during fiscal period (in shares)		56,575
2020 Performance Share Agreement \| Performance Based Awards \| Outside Directors \| Greater than or equal to 25 percent less than or equal to 35 percent
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation plan, vesting period (in years)				2 years
Minimum \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation plan, vesting period (in years)				3 years	3 years	3 years
Minimum \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of potential performance shares received				50.00%
Maximum \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation plan, vesting period (in years)				4 years	4 years	4 years
Maximum \| Performance Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of potential performance shares received				200.00%