Stockholders' Equity (Tables)

9 Months Ended

Jun. 30, 2023

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Activity for Restricted Stock Units

A summary of the activity for restricted stock units:

	Three Months Ended June 30, 2023					Nine Months Ended June 30, 2023
	Number of units			Weighted-Average Grant Date Fair Value		Number of units			Weighted-Average Grant Date Fair Value
Beginning balance		171		$	92.19		59		$	98.29
Granted		2			94.42		115			89.00
Forfeited		(1	)		83.24		(2	)		83.24
Ending balance		172		$	92.26		172		$	92.26

Stock Options [Member]

Share Based Compensation Arrangement By Share Based Payment Award [Line Items]

Summary of Activity for Stock Option Awards

The following is a summary of the activity for stock option awards:

	Three Months Ended June 30, 2023					Nine Months Ended June 30, 2023
	Number of options			Weighted-Average Exercise Price per Share		Number of options			Weighted-Average Exercise Price per Share
Beginning balance		5,574		$	76.35		5,339		$	74.40
Granted		4			102.36		526			83.88
Exercised		(268	)		55.43		(538	)		53.27
Forfeited		(8	)		97.69		(25	)		93.60
Ending balance		5,302		$	77.39		5,302		$	77.39

Changes in Non-vested Stock Options

Changes in non-vested stock options were as follows:

	Three Months Ended June 30, 2023					Nine Months Ended June 30, 2023
	Number of options			Weighted-Average Grant Date Fair Value per Share		Number of options			Weighted-Average Grant Date Fair Value Per Share
Beginning balance		1,675		$	31.39		1,812		$	30.03
Granted		4			42.82		526			33.74
Exercised		(282	)		19.77		(925	)		26.23
Forfeited		(6	)		34.92		(22	)		33.69
Ending balance		1,391		$	33.76		1,391		$	33.76

Stock Options Vested, or Expected to Vest and Exercisable

Information about stock options that have vested, or are expected to vest, and are exercisable at June 30, 2023 was as follows:

	Number of options		Weighted-Average Exercise Price		Weighted-Average Remaining Life in Years		Aggregate Intrinsic Value
Options outstanding		5,302	$	77.39		5.5	$	220,265
Options vested and exercisable		3,911		71.50		4.6		185,525
Options vested and expected to vest		5,250		77.25		5.5		218,835