Earnings per Share (EPS) and Common Stock (Tables)

6 Months Ended

Mar. 31, 2025

Earnings Per Share And Common Stock [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)	Three months ended				Six months ended
	March 31, 2025		March 31, 2024		March 31, 2025		March 31, 2024
Net income	$	162,644	$	114,445	$	244,876	$	180,832
Weighted-average shares outstanding—Basic		120,177		119,587		120,210		119,354
Dilutive effect of restricted stock units		677		1,125		790		1,126
Weighted-average shares outstanding—Diluted		120,854		120,712		121,000		120,480
Earnings per share—Basic	$	1.35	$	0.96	$	2.04	$	1.52
Earnings per share—Diluted	$	1.35	$	0.95	$	2.02	$	1.50