Stock-Based Compensation (Tables)

9 Months Ended

Jun. 30, 2017

Schedule of Share-based Compensation, Stock Options, Activity

Stock option activity for the nine months ended June 30, 2017 is presented below:



(in thousands, except share and per share amounts)	Number of Shares	Weighted- Average Exercise Price per Share		Weighted- Average Remaining Life (Years)	Aggregate Intrinsic Value
Outstanding at September 30, 2016	709,832	$	19.42
Granted	314,757	16.87
Exercised	35,196	17.00
Forfeited	72,400	19.19
Expired	2,864	25.41
Outstanding at June 30, 2017	914,129	$	18.64	8.1	$	408
Exercisable at June 30, 2017	352,597	$	18.49	7.0	$	154
Vested or expected to vest as of June 30, 2017	887,482	$	18.64	8.0	$	395

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The Company utilizes the Black-Scholes valuation model for estimating the fair value of stock options. Options granted under the 2014 Plan during the nine months ended June 30, 2017 were valued using the following assumptions:



	2017
Risk-free interest rate	1.83% - 2.08%
Expected term	6 years
Expected volatility	36.16% - 36.21%
Expected dividend yield	—	%

Schedule of Nonvested Restricted Stock Units Activity

A summary of PRSU activity for the nine months ended June 30, 2017 is as follows:



	Number of Performance Based Restricted Stock Units	Weighted Average Grant-Date Fair Value
Non-vested units at September 30, 2016	42,467	$	19.84
Granted	45,624	19.85
Forfeited	3,586	19.84
Vested	—	—
Non-vested units at June 30, 2017	84,505	$	19.84

Restricted stock unit activity for the nine months ended June 30, 2017 is presented below:



	Number of Restricted Stock Units	Weighted Average Grant-Date Fair Value
Non-vested units at September 30, 2016	442,528	$	21.24
Granted	530,660	17.73
Forfeited	70,205	19.26
Vested	119,823	22.46
Non-vested units at June 30, 2017	783,160	$	18.85