Stock-Based Compensation (Tables)

12 Months Ended

Sep. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock-Based Compensation Expense

Stock-based compensation expense is included in the consolidated results of operations as follows (in thousands):



	Fiscal years ended September 30,
	2015			2014			2013
Cost of sales	$	356		$	345		$	183
Sales and marketing	1,197			1,179			1,261
Research and development	785			735			772
General and administrative	1,963			2,071			1,556
Stock-based compensation before income taxes	4,301			4,330			3,772
Income tax benefit	(1,493		)	(1,491		)	(1,192		)
Stock-based compensation after income taxes	$	2,808		$	2,839		$	2,580

Schedule of Stock Option Activity

The following table summarizes our stock option activity (in thousands, except per common share amounts):



	Options Outstanding		Weighted Average Exercised Price	Weighted Average Contractual Term (in years)	Aggregate Intrinsic Value (1)
Balance at September 30, 2014	6,029		$10.61
Granted	810		8.12
Exercised	(739	)	8.87
Forfeited / Canceled	(1,300	)	11.55
Balance at September 30, 2015	4,800		$10.21	4.8	$	9,163

Exercisable at September 30, 2015	3,540		$10.66	4.1	$	5,575

(1) The aggregate intrinsic value represents the total pre-tax intrinsic value, based on our closing stock price of $11.79 as of September 30, 2015, which would have been received by the option holders had all option holders exercised their options as of that date.

Schedule of Valuation Assumptions

The table below shows the weighted average fair value, which was determined based upon the fair value of each option on the grant date utilizing the Black-Scholes option-pricing model and the related assumptions:



	Fiscal years ended September 30,
	2015		2014		2013
Weighted average per option grant date fair value	$	2.98	$	4.35	$	3.77
Assumptions used for option grants:
Risk free interest rate	1.57% - 1.85%		1.76% - 2.02%		0.88% - 1.78%
Expected term	6.00 years		6.00 years		6.25 years
Expected volatility	32% - 36%		38% - 40%		40%
Weighted average volatility	35%		40%		40%
Expected dividend yield	0		0		0

Schedule of Weighted Average Exercise Price Range and Remaining Contractual Life

At September 30, 2015, the weighted average exercise price and remaining life of the stock options are as follows (in thousands, except remaining life and exercise price):



Options Outstanding					Options Exercisable
Range of Exercise Prices	Options Outstanding	Weighted Average Remaining Contractual Life (In Years)	Weighted Average Exercise Price		Number of Shares Vested	Weighted Average Exercise Price
$7.40 - $8.03	777	5.32	$	7.74	439	$	8.01
$8.04 - $9.35	1,006	6.10	$	8.79	521	$	8.98
$9.36 - $9.95	751	4.94	$	9.69	709	$	9.69
$9.96 - $10.81	1,119	6.05	$	10.66	724	$	10.68
$10.82 - $13.41	883	2.00	$	12.41	883	$	12.41
$13.42 - $14.75	27	3.22	$	14.35	27	$	14.35
$14.76 - $15.23	237	2.05	$	15.23	237	$	15.23
$7.40 - $15.23	4,800	4.81	$	10.21	3,540	$	10.66

Schedule of Nonvested Restricted Stock Units

A summary of our non-vested restricted stock units as of September 30, 2015 and changes during the twelve months then ended is presented below (in thousands, except per common share amounts):



	Number of Awards		Weighted Average Grant Date Fair Value
Nonvested at September 30, 2014	171		$	9.35
Granted	503		$	8.27
Vested	(91	)	$	9.66
Canceled	(40	)	$	7.77
Nonvested at September 30, 2015	543		$	8.41