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Stockholders' Equity (Tables) - Stock Options [Member]

9 Months Ended

Jun. 30, 2022

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, 2022								Nine-Months Ended June 30, 2022
		Number of options				Weighted-Average Exercise Price per Share				Number of options				Weighted-Average Exercise Price per Share
Options, beginning balance			5,352			$	73.71				5,339			$	68.21
Options granted			72				101.54				513				115.30
Options exercised			(18	)			43.90				(422	)			48.02
Options forfeited			(10	)			90.16				(34	)			88.88
Options, ending balance			5,396			$	74.15				5,396			$	74.15

Changes in Non-vested Stock Options

Changes in non-vested stock options were as follows:

		Three-Months Ended June 30, 2022								Nine-Months Ended June 30, 2022
		Number of options				Weighted-Average Grant Date Fair Value per Share				Number of options				Weighted-Average Grant Date Fair Value Per Share
Non-vested options outstanding, beginning balance			1,767			$	29.64				2,063			$	25.77
Options granted			72				39.34				513				41.78
Options vested			(1	)			26.37				(714	)			26.23
Options forfeited			(10	)			30.02				(34	)			29.45
Non-vested options outstanding, ending balance			1,828			$	30.02				1,828			$	30.02

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, 2022 was as follows:

		Number of options				Weighted-Average Exercise Price				Weighted-Average Remaining Life in Years				Aggregate Intrinsic Value
Options outstanding			5,396			$	74.15				5.8				118,422
Options vested and exercisable			3,569				65.45				4.7				100,271
Options vested and expected to vest			5,333				73.87				5.8				117,969

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- Definition

Tabular disclosure of the changes in outstanding nonvested shares.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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