Share-Based Payments (Tables)

12 Months Ended

Sep. 30, 2016

Share-Based Payments

Summary of activity for performance based unit awards

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, 2015		—		$	—		—
Granted		152			23.45
Vested		—			—
Forfeited		(20	)		23.45
Unvested at September 30, 2016		132		$	23.45		2.0

Summary of activity for 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, 2015		5,316		$	21.89		6.8	$	19,255
Granted		1,486			23.65
Exercised		(938	)		17.27
Forfeited or expired		(280	)		25.64
Outstanding at September 30, 2016		5,584		$	22.95		6.1	$	19,615
Exercisable at September 30, 2016		3,550		$	21.54		5.4	$	17,071

Summary of stock options by range of exercise prices

The following table summarizes additional information about service-based stock options outstanding at September 30, 2016 under the Company's share-based compensation plans:

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Number of Options Outstanding (in Thousands)		Weighted Average Remaining Contractual Term (in Years)		Weighted Average Exercise Price		Number of Options Exercisable (in Thousands)		Weighted Average Exercise Price
$5.24 - 19.99		1,169		3.6	$	12.84		1,169	$	12.84
$20.00 - 31.58		4,415		6.7		25.63		2,381		25.81
Total		5,584		6.1	$	22.95		3,550	$	21.54

Schedule of weighted average assumptions for valuation of stock options

	Year Ended September 30,
	2016			2015			2014
Expected life (in years)		5.0			5.0			5.0
Expected volatility for the Company's stock		27.2	%		30.9	%		47.3	%
Risk-free interest rate		1.5	%		1.6	%		1.3	%
Dividend yield		0.0	%		0.0	%		0.0	%

Restricted Stock Awards

Share-Based Payments

Summary of the activity for restricted stock awards/units

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, 2015		446		$	25.82		2.8
Granted		40			25.35
Vested		(192	)		24.16
Forfeited		(23	)		27.18
Unvested at September 30, 2016		271		$	26.80		1.9

Restricted Stock Units

Share-Based Payments

Summary of the activity for restricted stock awards/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, 2015		—		$	—		—
Granted		28			24.10
Vested		(28	)		24.10
Forfeited		—			—
Unvested at September 30, 2016		—		$	—		—