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Net Income Per Share (Tables)

12 Months Ended

Sep. 30, 2022

Net Income Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

The following table sets forth the computation of basic and diluted net income per share (in thousands, except per share data):

						Years Ended September 30,
						2022						2021						2020
Numerator
Net income						$	322,160					$	331,241					$	307,441
Denominator
Weighted average shares outstanding — basic						60,274						60,707						60,911
Dilutive effect of common shares from stock options and restricted stock units						823						1,350						467
Weighted average shares outstanding — diluted						61,097						62,057						61,378
Basic net income per share						$	5.34					$	5.46					$	5.05
Diluted net income per share						$	5.27					$	5.34					$	5.01

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- Definition

Net Income Per Share [Abstract]

+ References

No definition available.

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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