Stock-Based Compensation (Tables)

6 Months Ended

Mar. 31, 2015

Stock-Based Compensation

Schedule of Assumptions Used in Estimate of Fair Value of Stock Option Awards

	Three-Months Ended				Six-Months Ended
	March 31,				March 31,
	2015		2014		2015				2014
Expected term (years)		n/a		n/a		6.2	-	8.8		5.8	-	8.6
Estimated volatility		n/a		n/a		36.5%				38.5%
Estimated dividend yield		n/a		n/a		0.7%				0.8%
Risk-free interest rate		n/a		n/a		2.0%	-	2.3%		1.7%	-	2.5%

Activity for Stock Option Awards

	Three-Months Ended				Six-Months Ended
	March 31, 2015				March 31, 2015
	Number of options		Weighted-Average Exercise Price per Share		Number of options		Weighted-Average Exercise Price per Share
Options, beginning balance		5,170	$	30.83		4,501	$	28.08
Options granted		-		n/a		751		45.55
Options exercised		(42)		24.74		(108)		22.57
Options forfeited		(17)		38.75		(33)		37.09
Options, ending balance		5,111		30.86		5,111		30.86

Changes in Nonvested Stock Options

	Three-Months Ended				Six-Months Ended
	March 31, 2015				March 31, 2015
	Number of options		Weighted-Average Exercise Price per Share		Number of options		Weighted-Average Exercise Price per Share
Options, beginning balance		1,770	$	40.48		1,679	$	34.83
Options granted		-		n/a		751		45.55
Options vested		(7)		40.72		(651)		33.05
Options forfeited		(16)		38.75		(32)		37.09
Options, ending balance		1,747		40.50		1,747		40.50

Stock Options Vested, Or Expected to Vest and Are Exercisable

	Number		Weighted- Average Exercise Price		Weighted- Average Remaining Life in Years		Aggregate Intrinsic Value
Options outstanding		5,111	$	30.86		5.7	$	103,010
Options vested and exercisable		3,365		25.85		4.3		84,647
Options vested and expected to vest		4,982		30.54		5.7		101,963

Changes in Restricted Stock Awards

	Three-Months Ended				Six-Months Ended
	March 31, 2015				March 31, 2015
		Number		Fair Value per Share		Number		Fair Value per Share
Beginning balance		24	$	$ 39.43		24	$	39.43
Shares granted		-		n/a		-		n/a
Shares vested		-		n/a		-		n/a
Shares forfeited		-		n/a		-		n/a
Ending balance		24		$ 39.43		24		39.43