Stockholders' Equity (Tables)

9 Months Ended

Jun. 30, 2016

Stock Options [Member]

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

	Three-Months Ended				Nine-Months Ended
	June 30,				June 30,
	2016		2015		2016				2015
Expected term (years)		n/a		n/a		6.3	-	8.7		6.2	-	8.8
Estimated volatility		n/a		n/a		34.5%	-	35.1%		36.5%
Estimated dividend yield		n/a		n/a		1.0%				0.7%
Risk-free interest rate		n/a		n/a		1.7%	-	2.0%		2.0%	-	2.3%

Activity for Stock Option Awards

	Three-Months Ended				Nine-Months Ended
	June 30, 2016				June 30, 2016
	Number of options		Weighted-Average Exercise Price per Share		Number of options		Weighted-Average Exercise Price per Share
Options, beginning balance		5,429	$	34.22		4,641	$	32.28
Options granted		-		n/a		1,055		40.26
Options exercised		(351)		20.99		(605)		21.95
Options forfeited		(4)		42.16		(17)		42.81
Options, ending balance		5,074		35.13		5,074		35.13

Changes in Nonvested Stock Options

	Three-Months Ended				Nine-Months Ended
	June 30, 2016				June 30, 2016
	Number of options		Weighted-Average Exercise Price per Share		Number of options		Weighted-Average Exercise Price per Share
Options outstanding, beginning balance		2,086	$	41.54		1,724	$	40.54
Options granted		-		n/a		1,055		40.26
Options vested		(2)		40.63		(682)		36.98
Options forfeited		(4)		42.16		(17)		42.81
Options outstanding, ending balance		2,080		41.54		2,080		41.54

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		5,074	$	35.13		6.3	$	114,200
Options vested and exercisable		2,994		30.68		4.7		80,712
Options vested and expected to vest		4,964		34.99		6.2		112,451

Restricted Stock Award [Member]

Changes in Restricted Stock Awards

	Three-Months Ended				Nine-Months Ended
	June 30, 2016				June 30, 2016
		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