Share-Based Payments

6 Months Ended

Mar. 31, 2019

8. Share-Based Payments

Performance-Based Awards

The following table presents a summary of the activity for our performance unit awards assuming 100% payout:

Performance Unit Awards	Number of Shares (in Thousands)			Weighted Average Fair Value Per Share		Weighted Average Remaining Vesting Term (in Years)
Unvested at September 30, 2018		349		$	20.88		1.3
Granted		230			17.22
Vested		(23	)		23.45
Forfeited		(99	)		21.68
Unvested at March 31, 2019		457		$	18.74		1.8

Service-Based Awards

The following table presents a summary of the activity for our stock option awards:

	Number of Outstanding Options (in Thousands)			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (in Years)		Aggregate Intrinsic Value (in Thousands)
Outstanding at September 30, 2018		5,405		$	23.04		5.4	$	3,161
Granted		948			18.14
Exercised		(127	)		15.42
Forfeited or expired		(849	)		25.32
Outstanding at March 31, 2019		5,377		$	21.99		6.3	$	2,924
Exercisable at March 31, 2019		3,444		$	23.68		4.9	$	1,773

The following table presents a summary of the activity for our Restricted Stock Awards:

Restricted Stock Awards	Number of Shares (in Thousands)			Weighted Average Fair Value Per Share		Weighted Average Remaining Vesting Term (in Years)
Unvested at September 30, 2018		219		$	16.98		2.1
Granted		287			18.14
Vested		(6	)		18.29
Forfeited		(31	)		17.64
Unvested at March 31, 2019		469		$	17.60		2.1

The following table presents a summary of the activity for our Restricted Stock Units:

Restricted Stock Units	Number of Shares (in Thousands)		Weighted Average Fair Value Per Share		Weighted Average Remaining Vesting Term (in Years)
Unvested at September 30, 2018		—	$	—		—
Granted		88		18.14
Vested		—		—
Forfeited		—		—
Unvested at March 31, 2019		88	$	18.14		0.5