Days Required For Vesting Condition

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- Definition

Number Of Restricted Stock Units Subject To Vesting Conditions

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- Definition

Period From Grant Date In Which Options Begin To Vest

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- Definition

Recognition Period For Restricted Stock Expense

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- Definition

Restricted Stock Unit Vesting Rate

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No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Award Expiration Period

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No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Estimated Forfeiture Rate

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- Definition

Stock Issued During Period Shares Restricted Stock Award Unvested

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- Definition

Stock Issued During Period Value Restricted Stock Award Price Per Share

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- Definition

Weighted Average Fair Value Per Share Restricted Stock

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No definition available.

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- Definition

As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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-Section 50

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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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- Definition

Aggregate unrecognized cost of share-based awards, other than options, made to employees under an equity-based compensation plan, that have yet to vest.

+ References

No definition available.

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- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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- Definition

The noncash expense that represents the cost of restricted stock or unit distributed 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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- 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

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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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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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

The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Aggregate value of stock related to Restricted Stock Awards issued during the period.

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- Definition

Tax benefits realized from the exercise of stock options resulting in reductions in the entity's income taxes, which increases net cash provided by operating activities.

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-Publisher FASB

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Shareholders' Equity (Narrative) (Details) (USD $)	12 Months Ended
Shareholders' Equity (Narrative) (Details) (USD $)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 879,000	$ 264,000	$ 192,000
Option vesting period, years	3 years
Period from grant date in which options start to vest	3 months
Weighted-average fair value of options		$ 2.37	$ 1.43
Total intrinsic value of options	778,000	663,000
Proceeds from exercise of stock options	261,000	388,000
Tax benefit realized from stock options exercised	691,000	296,000
Unrecognized compensation costs related to non-vested stock option arrangements	234,000
Weighted-average period for RSUs expense	1 year 7 months 6 days
Dividend yield	0.00%	0.00%	0.00%
Annualized estimated forfeiture rate	10.00%
Shares authorized under the 2011 Plan	789,161
Shares available for future issuance under the 2011 Plan	212,261
Total number of unvested RSUs	464,584
Fair value of RSUs	3,100,000
Weighted-average fair value per share RSUs	$ 10.61
$10 Per Share Market Price [Member] \| Fourth Anniversary [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of restricted stock units subject to vesting condition, shares	133,900
Vesting condition price per share	$ 10
$10 Per Share Market Price [Member] \| Fifth Anniversary [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting condition price per share	$ 10
Number of consecutive days for vesting period	20 days
$17.50 Per Share Market Price [Member] \| Fourth Anniversary [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of restricted stock units subject to vesting condition, shares	136,000
Vesting condition price per share	$ 17.50
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU vesting rate	33.33%
Fair value of RSUs		1,200,000	65,000
Weighted-average fair value per share RSUs		$ 4.18	$ 2.40
Restricted stock compensation expense	709,000	147,000	51,000
Total unrecognized compensation cost	$ 3,900,000
Weighted-average period for RSUs expense	2 years 6 months
Restricted Stock Units (RSUs) [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period from grant date	10 years
Restricted Stock Units (RSUs) [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expiration period from grant date	7 years
Restricted Stock Units (RSUs) [Member] \| $10 Per Share Market Price [Member] \| Fifth Anniversary [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of restricted stock units subject to vesting condition, shares	159,675