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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) per non-employee.

+ References

No definition available.

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- Definition

Share based compensation arrangements by share based payment award grant date market price of common stock.

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- Definition

Share based compensation arrangements by share based payment award term of vested options.

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- Definition

Share based compensation nonemployee directors restricted shares granted.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB TOPIC 14.F)
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 14
-Section F

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
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- Definition

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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Paragraph 2
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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).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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.

+ References

No definition available.

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- Definition

The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 2
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- Definition

The number of shares or units of entity securities issued in the transaction in which equity securities were issued to pay for goods or nonemployee services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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- Definition

Number of shares (or other type of equity) issued during the period as a result of any equity-based compensation plan other than an employee stock ownership plan (ESOP), net of any shares forfeited. Shares issued could result from the issuance of restricted stock, the exercise of stock options, stock issued under employee stock purchase plans, and/or other employee benefit plans.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 29, 30
-Article 5

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Number of shares (or other type of equity) forfeited during the period.

+ References

No definition available.

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Stock-Based Compensation - Additional Information (Details)					1 Months Ended			12 Months Ended			24 Months Ended
	Jan. 08, 2016 $ / shares shares	Jan. 04, 2016 USD ($) director $ / shares shares	Jun. 01, 2015 $ / shares shares	Feb. 06, 2015 $ / shares shares	Feb. 28, 2015 shares	Jan. 31, 2015 director $ / shares shares	Jan. 31, 2014 director $ / shares shares	Oct. 31, 2016 USD ($) $ / shares shares	Oct. 31, 2015 USD ($)	Oct. 31, 2014 USD ($)	Oct. 31, 2016 USD ($)	Apr. 30, 2011 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized stock-based compensation expense								$ 2,134,000	$ 2,108,000	$ 727,000
Stock compensation expense								2,134,000	2,108,000	727,000
Executive Officers [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total restricted shares issued to non-employee directors \| shares				55,394
Restricted stock closing price awarded \| $ / shares				$ 40.17
Stock compensation expense									500,000
Chief Financial officer and Chief Operating officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares granted \| shares			12,322
Market price of common stock at grant date \| $ / shares			$ 49.95
Stock compensation expense											$ 600,000
Unvested portion of restricted stock forfeited \| shares					12,322
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense								100,000	100,000	100,000
Restricted Stock [Member] \| Non-Employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense		$ 800,000							200,000	500,000
Restricted Stock [Member] \| Executive Officers [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense								300,000
2005 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total intrinsic value of options exercised								100,000
Estimated fair market value of options								$ 500,000	500,000	$ 800,000
2005 Stock Incentive Plan [Member] \| Stock Options [Member] \| Board of Director Members for April Two Thousand Eleven Option Grants \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of vested stock options								2 years
Vesting period								1 year
2005 Stock Incentive Plan [Member] \| Stock Options [Member] \| Board of Director Members for October Two Thousand Eleven Option Grants [Member] \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of vested stock options								5 years
Vesting period								5 years
2011 Management Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock shares authorized under ESPP \| shares												1,500,000
Number of non-employee directors \| director		12				12	12
Restricted stock closing price awarded \| $ / shares	$ 48.68						$ 30.50
Estimated fair market value of options								$ 300,000
2011 Management Incentive Plan [Member] \| Non-Employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted stock closing price awarded \| $ / shares		$ 48.46					$ 32.49
2011 Management Incentive Plan [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares granted per non-employee \| shares		1,750
Restricted shares issued per non-employee director \| shares						1,750
Total restricted shares issued to non-employee directors \| shares		21,000				21,000	21,000
Restricted stock closing price awarded \| $ / shares						$ 40.39		$ 48.58
Restricted shares granted \| shares								51,000
Stock compensation expense								$ 2,100,000
2011 Management Incentive Plan [Member] \| Restricted Stock [Member] \| Non-Employee Directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense									$ 700,000
2011 Management Incentive Plan [Member] \| Restricted Stock [Member] \| Executive Officers [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures \| shares							10,774
Unvested portion of restricted stock forfeited \| shares	24,582
2011 Management Incentive Plan [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares issued per non-employee director \| shares							1,750