Earnings Per Share (Tables)

6 Months Ended

Mar. 31, 2025

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

Basic and diluted earnings per share for the three and six months ended March 31, 2025 and 2024 are calculated as follows:

	Three Months Ended March 31				Six Months Ended March 31
	2025		2024		2025		2024
	(In thousands, except per share amounts)
Basic Earnings Per Share
Net income	$	485,576	$	432,023	$	837,434	$	743,315
Less: Income allocated to participating securities	245		255		436		442
Income available to common shareholders	$	485,331	$	431,768	$	836,998	$	742,873
Basic weighted average shares outstanding	159,177		151,271		157,739		150,534
Net income per share — Basic	$	3.05	$	2.85	$	5.31	$	4.93
Diluted Earnings Per Share
Income available to common shareholders	$	485,331	$	431,768	$	836,998	$	742,873
Effect of dilutive shares	—		—		—		—
Income available to common shareholders	$	485,331	$	431,768	$	836,998	$	742,873
Basic weighted average shares outstanding	159,177		151,271		157,739		150,534
Dilutive shares	1,249		26		1,386		13
Diluted weighted average shares outstanding	160,426		151,297		159,125		150,547
Net income per share — Diluted	$	3.03	$	2.85	$	5.26	$	4.93