Share-Based Payments

9 Months Ended

Jun. 30, 2018

7. 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, 2017		197		$	24.50		1.5
Granted		215			17.42
Vested		—			—
Forfeited		(61	)		20.60
Unvested at June 30, 2018		351		$	20.86		1.5

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, 2017		5,211		$	24.12		5.6	$	3,867
Granted		1,220			17.23
Exercised		(144	)		9.14
Forfeited or expired		(819	)		23.78
Outstanding at June 30, 2018		5,468		$	23.03		5.7	$	1,487
Exercisable at June 30, 2018		3,202		$	24.06		4.0	$	1,395

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, 2017		125		$	26.00		1.3
Granted		326			16.98
Vested		(50	)		24.44
Forfeited		(56	)		19.79
Unvested at June 30, 2018		345		$	18.74		2.4

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, 2017		—		$	—		—
Granted		74			17.34
Vested		—			—
Forfeited		(7	)		17.42
Unvested at June 30, 2018		67		$	17.34		0.2