Share based compensation arrangement by share based payment award number of non employee directors.

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Share Based Compensation Arrangement By Share Based Payment Award Award Vesting Schedule

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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.

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

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

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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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

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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.

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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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- 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).

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

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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.

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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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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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- Definition

Gross number of share options (or share units) granted during the period.

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No definition available.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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No definition available.

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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.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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Price of a single share of a number of saleable stocks of a company.

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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Number of shares (or other type of equity) forfeited during the period.

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No definition available.

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Stock-Based Compensation - Additional Information (Details) $ / shares in Units, $ in Thousands								1 Months Ended			12 Months Ended
	Jan. 06, 2017 USD ($) $ / shares shares	Jan. 04, 2017 director $ / shares shares	Dec. 19, 2016 $ / shares shares	Jan. 08, 2016 $ / shares shares	Jan. 04, 2016 USD ($) director $ / shares shares	Jun. 01, 2015 $ / shares shares	Feb. 06, 2015 $ / shares shares	Jan. 31, 2017 USD ($) $ / shares shares	Feb. 28, 2015 shares	Jan. 31, 2015 director $ / shares shares	Oct. 31, 2017 USD ($) $ / shares shares	Oct. 31, 2016 USD ($)	Oct. 31, 2015 USD ($)	Apr. 30, 2011 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized stock-based compensation expense \| $											$ 4,300	$ 2,100	$ 2,100
Stock compensation expense \| $											4,320	2,134	2,108
Executive officers [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total restricted shares issued to non-employee directors							55,394
Restricted stock closing price awarded \| $ / shares							$ 40.17
Stock compensation expense \| $													500
Chief Financial officer and Chief Operating officer
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares granted						12,322
Market price of common stock at grant date \| $ / shares						$ 49.95
Stock compensation expense \| $												600	600
Unvested portion of restricted stock forfeited									12,322
Chief Operating Officer [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Market price of common stock at grant date \| $ / shares	$ 58.05
Stock compensation expense \| $	$ 700
Unvested portion of restricted stock forfeited	12,800
Granted	12,800
Vice President [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense \| $											$ 500
Vested, Number of Shares								13,040
Board of Director Members for January Two Thousand Seventeen Option Grants [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of vested stock options								5 years
Market price of common stock at grant date \| $ / shares								$ 56.65
Vesting period								5 years
Estimated fair market value of options \| $								$ 200
Stock options total compensation cost, not yet recognized \| $								$ 200
Remaining service period for recognition of unrecognized compensation cost											60 months
Granted								10,000
Exercised, Weighted-Average Exercise Price \| $ / shares								$ 56.65
Restricted Stock [Member] \| Non-employee directors [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense \| $					$ 800
Restricted Stock [Member] \| Executive officers [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation expense \| $												300
2005 Stock Incentive Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total intrinsic value of options exercised \| $											$ 100
Estimated fair market value of options \| $											$ 500	$ 500	500
Exercised, Weighted-Average Exercise Price \| $ / shares											$ 14.58
2005 Stock Incentive Plan [Member] \| Stock Options [Member] \| Board of Director Members for April Two Thousand Eleven Option Grants \| Minimum [Member]
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 [Member]
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														1,500,000
Number of non-employee directors \| director		12			12					12
Restricted stock closing price awarded \| $ / shares				$ 48.68
Estimated fair market value of options \| $											$ 400
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
Stock price \| $ / shares		$ 62.65
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		1,750			1,750
Restricted shares issued per non-employee director										1,750
Total restricted shares issued to non-employee directors					21,000					21,000
Restricted stock closing price awarded \| $ / shares										$ 40.39
Restricted shares granted		21,000
Stock compensation expense \| $											$ 4,300
Granted											103,000
Vested, Number of Shares											71,000
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
2011 Management Incentive Plan [Member] \| Restricted Stock [Member] \| Executive officers [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted shares granted			70,327
Stock price \| $ / shares			$ 56.20
Recognized stock-based compensation expense \| $											$ 1,100
Shares vesting schedule per year			$0.9
Unvested portion of restricted stock forfeited				24,582
2011 Management Incentive Plan [Member] \| Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted											10,000
Exercised, Weighted-Average Exercise Price \| $ / shares											$ 21.80