Earnings Per Share (Tables)

12 Months Ended

Sep. 30, 2023

Earnings Per Share [Abstract]

Reconciliation of Net Earnings to Net Earnings Per Share Basic and Diluted

The following is a reconciliation of net earnings to basic earnings per share and diluted earnings per share:

	Year Ended September 30,
	2023		2022		2021
Numerator:
Net earnings	$	232,368	$	171,698	$	208,649
Denominator:
Basic shares outstanding		59,908		61,517		63,287
Dilutive effect of stock options and restricted stock units		1,574		1,737		2,268
Diluted shares outstanding		61,482		63,254		65,555
Income per common share:
Basic earnings per share	$	3.88	$	2.79	$	3.30
Diluted earnings per share	$	3.78	$	2.71	$	3.18

Anti-dilutive Stock Options Excluded from Computation of Earnings Per Share

The following stock option grants were outstanding but were excluded from the computation of diluted earnings per share because their inclusion would have been anti-dilutive:

	Year Ended September 30,
	2023		2022		2021
Options		561		1,019		41
Weighted-average option price	$	114.88	$	110.71	$	116.38

Schedule of Treasury Stock Shares Held for Deferred Compensation Included in Basic and Diluted Shares Outstanding

The weighted-average shares of common stock outstanding for basic and diluted earnings per share included the weighted-average treasury stock shares held for deferred compensation obligations of the following:

	Year Ended September 30,
	2023		2022		2021
Weighted-average treasury stock shares held for deferred compensation obligations		88		151		186