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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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Unrecognized cost of unvested share-based compensation awards.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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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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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, 2018	Oct. 31, 2017	Oct. 31, 2016	Dec. 20, 2016	Dec. 18, 2015	Dec. 16, 2014
Performance-Based Restricted Stock Units
Stock based expense recognized	$ 28,312,000	$ 28,466,000	$ 26,679,000
Unamortized value of RSUs	$ 20,900,000	$ 24,200,000	$ 27,000,000
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%
Maximum Percentage of Units Issued to Recipients of Base Award	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	135,554	168,417	182,854
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	786,857	940,117	1,074,222
Share Price				$ 47.84	$ 31.61	$ 32.85
Fair value of restricted stock units issued	$ 6,485,000	$ 5,324,000	$ 6,007,000
Stock based expense recognized	6,949,000	7,031,000	8,301,000
Unamortized value of RSUs	3,824,000	4,599,000	6,556,000
gross value of stock awarded related to restricted stock units	$ 13,700,000	$ 9,600,000	$ 12,200,000
Gross shares distributed related to restricted stock	288,814	302,514	370,171
Value of shares withheld for income taxes on restricted shares issued	$ 6,000,000	$ 4,200,000	$ 5,400,000
Shares withheld for income taxes related to share issued for RSU	126,330	133,098	164,090
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures	$ 7,700,000	$ 5,400,000	$ 6,800,000
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	162,484	169,416	206,081