Stock-Based Benefit Plans (Nonperformance-based RSUs) (Details 9) - USD ($)	12 Months Ended
Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock based expense recognized	$ 24,326,000	$ 26,180,000	$ 28,312,000
Summary of aggregate number and unamortized value of outstanding non-performance based RSUs
Unamortized value of RSUs	$ 15,900,000	$ 18,700,000	$ 20,900,000
Restricted Stock Units (RSUs) [Member] \| Vesting Based On Service [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period	461,280	449,380	296,790
Fair value of restricted stock units issued	$ 17,267,000	$ 14,848,000	$ 14,198,000
Stock based expense recognized	$ 12,744,000	$ 13,627,000	$ 11,193,000
Summary of aggregate number and unamortized value of outstanding non-performance based RSUs
Aggregate outstanding RSUs	1,315,371	1,137,936	850,853
Unamortized value of RSUs	$ 10,972,000	$ 8,694,000	$ 8,818,000
Shares withheld for income taxes related to share issued for RSU	58,356	29,681	23,289
Value of shares withheld for income taxes on restricted shares issued	$ 2,214	$ 1,042	$ 1,145
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures	236,697	82,795	58,552
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 37.43	$ 33.04	$ 47.84

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

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Summary of aggregate number and unamortized value of outstanding of non-performance-based restricted stock units.

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

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

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