The estimated fair value of restricted stock units issued during the period.

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The gross value of stock awarded related to restricted stock units during the period.

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Gross shares distributed related to restricted stock

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Maximum percentage of units issued to the recipients of the base award.

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Minimum percentage of units issued to the recipients of the base award.

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Performance based restricted stock units.

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Shares withheld for income taxes related to share issued for RSU

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Value of shares withheld for income taxes on restricted shares issued

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

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

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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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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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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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Price of a single share of a number of saleable stocks of a company.

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Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

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Value of stock related to Restricted Stock Awards issued during the period, net of the stock value of such awards forfeited.

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Stock-Based Benefit Plans (Performance-based RSUs) (Details 7) - USD ($)	12 Months Ended
	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017	Dec. 20, 2016	Dec. 18, 2015	Dec. 16, 2014
Performance-Based Restricted Stock Units
Stock based expense recognized	$ 26,180,000	$ 28,312,000	$ 28,466,000
Unamortized value of RSUs	$ 18,700,000	$ 20,900,000	$ 24,200,000
Restricted Stock Units (RSUs) [Member] \| Vesting Based On Performance [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Minimum Percentage of Units Issued to Recipients of Base Award	0.00%	0.00%
Maximum Percentage of Units Issued to Recipients of Base Award	150.00%	110.00%
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	4 years
Performance-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	158,721	135,554	168,417
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	645,538	786,857	940,117
Share Price				$ 34.86	$ 47.84	$ 31.61
Fair value of restricted stock units issued	$ 5,533,000	$ 6,485,000	$ 5,324,000
Stock based expense recognized	5,514,000	6,949,000	7,031,000
Unamortized value of RSUs	3,431,000	3,824,000	4,599,000
gross value of stock awarded related to restricted stock units	$ 9,700,000	$ 13,700,000	$ 9,600,000
Gross shares distributed related to restricted stock	300,040	288,814	302,514
Value of shares withheld for income taxes on restricted shares issued	$ 4,000,000.0	$ 6,000,000.0	$ 4,200,000
Shares withheld for income taxes related to share issued for RSU	123,409	126,330	133,098
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	$ 5,700,000	$ 7,700,000	$ 5,400,000
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	176,631	162,484	169,416