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The Incentive Stock Plans (Tables)

12 Months Ended

Sep. 30, 2018

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Incentive Stock Plans Option Activity

The following table summarizes option activity from September 30, 2017 through September 30, 2018:

		Shares Available for Grant				Options Outstanding				Aggregate Intrinsic Value (in thousands)				Weighted Average Exercise Price				Weighted Average Remaining Contractual Life
Balance as of September 30, 2017			1,386,561				1,207,504			$	5,737			$	11.81				5.3
Options granted			(5,000	)			5,000				—				18.95
Options cancelled/forfeited/expired			14,750				(14,750	)			—				12.27
Options exercised			—				(586,531	)			—				11.48
Restricted stock awards granted			(341,517	)			—				—				—
Restricted stock awards forfeited			61,925				—				—				—
Additional shares of stock issued			(69,472	)			—				—				—
Balance as of September 30, 2018			1,047,247				611,223			$	5,544			$	12.18				4.4
Exercisable as of September 30, 2018							607,889			$	5,537			$	12.14				4.4

Weighted Average Assumptions of Incentive Stock Plans

Below are the weighted-average assumptions used for the fiscal years ended September 30, 2016 and 2018. No options were granted for the fiscal year ended September 30, 2017.

		2016			2017			2018
Dividend yield		0.0%			—			0.0%
Risk-free interest rate		1.0%			—			2.7%
Volatility		48.2%			—			45.4%
Expected life		5.0 years			—			5.0 years

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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