Stock-Based Compensation (Tables)

6 Months Ended

Mar. 31, 2017

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

Stock-Based Compensation Expense

The following table reflects stock-based compensation expense recorded during the three and six months ended March 31, 2017 and 2016 (in thousands):

	Three Months Ended March 31,				Six Months Ended March 31,
	2017		2016		2017		2016
Restricted stock units	$	4,225	$	1,723	$	6,590	$	6,299
Employee stock purchase plan	161		132		294		269
Total stock-based compensation	$	4,386	$	1,855	$	6,884	$	6,568

Status of Restricted Stock Activity and Changes

The following table summarizes restricted stock unit activity for the six months ended March 31, 2017:

	Shares		Weighted Average Grant-Date Fair Value
Outstanding at September 30, 2016	2,489,076		$	10.79
Granted	1,008,111		14.32
Vested	(801,054	)	10.63
Forfeited	(71,369	)	11.66
Outstanding at March 31, 2017	2,624,764		$	12.17

The following table reflects restricted stock units granted during the six months ended March 31, 2017 and 2016:

	Total Units	Time-Based Units	Stock Grants	Performance-Based Units
Six months ended March 31, 2017	1,008,111	377,213	42,560	588,338
Six months ended March 31, 2016	1,361,998	441,750	83,998	836,250