Share-based Compensation Arrangement by Share-based Payment Award, Number of Continuous Days of Service

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number of Hours Per Week Employed

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Offering Period

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No definition available.

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- Definition

Share Based Compensation Employee Stock Purchase Plan Shares Available For Future Purchase

+ References

No definition available.

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- Definition

The amount of adjustment to stockholders' equity associated with an employee's income tax withholding obligation as part of a net-share settlement of a share-based award.

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No definition available.

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- Definition

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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-Paragraph 2
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- Definition

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

+ References

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- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

+ References

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- Definition

Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

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- Definition

The cash inflow associated with the amount received from the stock plan during the period.

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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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- 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

Number of additional shares authorized for issuance under an established share-based compensation plan.

+ 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

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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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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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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

Purchase price of common stock expressed as a percentage of its fair value.

+ References

No definition available.

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- Definition

For net-share settlement of share-based awards when the employer settles employees' income tax withholding obligations, this element represents the number of shares the employees use to repay the employer.

+ References

No definition available.

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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

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Stock-Based Compensation (Details) - USD ($) $ in Thousands		12 Months Ended
Stock-Based Compensation (Details) - USD ($) $ in Thousands	Jan. 25, 2010	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2016	Jan. 29, 2018	Feb. 01, 2016	Jan. 27, 2014	Jan. 28, 2013	Dec. 04, 2009
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Proceeds from employee stock purchase plan transactions		$ 1,115	$ 685	$ 896
Shares Paid for Tax Withholding for Share Based Compensation		74,204	49,684	47,464
Adjustments Related to Tax Withholding for Share-based Compensation		$ 700	$ 700	$ 600
Proceeds from stock option plan transactions		5,460	3,502	7,191
Total intrinsic value of all options exercised		1,200	900	1,900
Total grant date fair value of shares vested		3,300	2,400	2,900
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost nonvested awards		$ 4,400
Weighted average period, unrecognized compensation cost, nonvested awards		2 years 10 months
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average period, unrecognized compensation cost, nonvested awards		1 year 4 months
Total unrecognized compensation cost, restricted stock units		$ 5,300
The 2018 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized					1,500,000
Number of shares available for future grants		1,313,651
The 2018 Plan \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period		7 years
Vesting period		4 years
The 2016 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized						1,500,000
The 2016 Plan \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period		7 years
Vesting period		4 years
The 2014 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized							2,250,000
The 2014 Plan \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period		8 years
Vesting period		4 years
The 2013 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized								1,750,000
The 2013 Plan \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period		8 years
Vesting period		4 years
The Omnibus Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized									5,750,000
Number of additional shares authorized	2,500,000
The Purchase Plan \| The Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized							2,800,000
Proceeds from employee stock purchase plan transactions		$ 1,100	$ 700	$ 900
Number of continuous days of service		90 days
Number of hours per week employed		20 hours
Percent of market value		85.00%
Offering period		3 months
Common shares issued to employees		125,446	72,594	103,915
Shares available for future issuance		315,576
Director \| The 2018 Plan \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		1 year
Director \| The 2016 Plan \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		1 year
Director \| The 2014 Plan \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		1 year
Director \| The 2013 Plan \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		1 year
Executives and Employees \| The 2018 Plan \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		4 years
Executives and Employees \| The 2016 Plan \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		4 years
Executives and Employees \| The 2014 Plan \| Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period		4 years