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Stock-Based Compensation (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jan. 27, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Proceeds from stock option plan transactions | $ 6,332 | $ 3,336 |
Total intrinsic value of all options exercised | $ 800 | 500 |
Forfeiture rate | 6.00% |  |
Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total unrecognized compensation cost nonvested awards | $ 4,200 |  |
Weighted average period, unrecognized compensation cost, nonvested awards | 2 years 10 months 24 days |  |
Restricted Stock Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Total unrecognized compensation cost nonvested restricted stock units | $ 3,500 |  |
Weighted average period, unrecognized compensation cost, nonvested awards | 1 year 8 months 12 days |  |
The 2014 Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares authorized |  |  | 2,250,000
Number of shares available for future grants | 1,317,996 |  |
The 2014 Plan | Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 4 years |  |
Expiration period | 8 years |  |
The Purchase Plan | The Purchase Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
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 |  |
Employee contributions | $ 700 | $ 800 |
Common shares issued to employees | 97,383 | 92,321 |
Shares available for future issuance | 643,995 |  |
Director | The 2014 Plan | Restricted Stock Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 1 year |  |
Executives and Employees | The 2014 Plan | Restricted Stock Units |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Vesting period | 4 years |  |

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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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