Stock-Based Compensation (Tables)

9 Months Ended

Jun. 30, 2018

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 nine months ended June 30, 2018 and 2017 (in thousands):

	Three Months Ended June 30,				Nine Months Ended June 30,
	2018		2017		2018		2017
Restricted stock	$	4,636	$	4,044	$	14,335	$	10,634
Employee stock purchase plan		234		153		664		447
Total stock-based compensation expense	$	4,870	$	4,197	$	14,999	$	11,081

Restricted Stock Unit Activity

The following table reflects restricted stock units granted during the nine months ended June 30, 2018 and 2017:

		Time-Based		Performance-
	Total Units	Units	Stock Grants	Based Units
Nine months ended June 30, 2018	528,075	208,097	35,356	284,622
Nine months ended June 30, 2017	1,008,570	377,213	43,019	588,338

The following table summarizes restricted stock unit activity for the nine months ended June 30, 2018:

		Weighted
		Average
		Grant-Date
	Shares	Fair Value
Outstanding at September 30, 2017	2,474,011	$	12.34
Granted	528,075		33.31
Vested	(724,339)		12.76
Forfeited	(66,128)		16.77
Outstanding at June 30, 2018	2,211,619		17.13