Earnings Per Share (Tables)

12 Months Ended

Sep. 30, 2025

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

Basic and diluted earnings per share for the fiscal years ended September 30 are calculated as follows:

	2025		2024		2023
	(In thousands, except per share data)
Basic Earnings Per Share
Net income	$	1,198,754	$	1,042,895	$	885,862
Less: Income allocated to participating securities	487		553		542
Net income available to common shareholders	$	1,198,267	$	1,042,342	$	885,320
Basic weighted average shares outstanding	158,943		152,508		145,121
Net income per share — Basic	$	7.54	$	6.83	$	6.10
Diluted Earnings Per Share
Net income available to common shareholders	$	1,198,267	$	1,042,342	$	885,320
Effect of dilutive shares	—		—		—
Net income available to common shareholders	$	1,198,267	$	1,042,342	$	885,320
Basic weighted average shares outstanding	158,943		152,508		145,121
Dilutive shares	1,630		158		45
Diluted weighted average shares outstanding	160,573		152,666		145,166
Net income per share — Diluted	$	7.46	$	6.83	$	6.10