Summary of Significant Accounting Policies (Tables)

12 Months Ended

Sep. 30, 2023

Accounting Policies [Abstract]

Earnings Per Share Basic And Diluted

The following table presents the calculation for both basic and diluted EPS:

(in thousands, except per share data)	Year ended September 30,
	2023		2022		2021
Net income	$	245,540	$	313,081	$	476,923
Weighted average shares outstanding		118,341		117,194		116,836
Dilutive effect of employee stock options, restricted shares and restricted stock units		993		1,039		1,531
Diluted weighted average shares outstanding		119,334		118,233		118,367
Earnings per share—Basic	$	2.07	$	2.67	$	4.08
Earnings per share—Diluted	$	2.06	$	2.65	$	4.03