Earnings Per Share (Tables)

12 Months Ended

Sep. 30, 2021

The following table sets forth the computation of basic and diluted earnings per share:


	Year Ended September 30,
	2021			2020			2019
Numerator:
Net income	$	688,374		$	497,840		$	479,446
Net income and dividends attributable to participating restricted shares		(7,052	)		(3,663	)		(3,295	)

Numerator for basic earnings per common share	$	681,322		$	494,177		$	476,151

Undistributed income allocated to participating restricted shares		5,199			2,417			2,252
Undistributed income reallocated to participating restricted shares		(5,167	)		(2,406	)		(2,240	)

Numerator for diluted earnings per common share	$	681,354		$	494,188		$	476,163

Denominator:
Weighted average number of shares outstanding — basic		128,495			133,590			137,418
Weighted average number of participating restricted shares		(1,316	)		(983	)		(944	)

Weighted average number of common shares — basic		127,179			132,607			136,474

Effect of dilutive stock options granted		789			642			691

Weighted average number of common shares — diluted		127,968			133,249			137,165

Basic earnings per common share	$	5.36		$	3.73		$	3.49

Diluted earnings per common share	$	5.32		$	3.71		$	3.47