Note 20 — Earnings Per Share

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


	Year Ended September 30,
	2019			2018			2017
Numerator:
Net income	$	479,446		$	354,396		$	436,826
Net income and dividends attributable to participating restricted shares		(3,295	)		(2,650	)		(3,517	)

Numerator for basic earnings per common share	$	476,151		$	351,746		$	433,309

Undistributed income allocated to participating restricted shares		2,252			1,617			2,512
Undistributed income reallocated to participating restricted shares		(2,240	)		(1,603	)		(2,488	)

Numerator for diluted earnings per common share	$	476,163		$	351,760		$	433,333

Denominator:
Weighted average number of shares outstanding — basic		137,418			142,422			146,017
Weighted average number of participating restricted shares		(944	)		(1,065	)		(1,176	)

Weighted average number of common shares — basic		136,474			141,357			144,841

Effect of dilutive stock options granted		691			1,282			1,414
Weighted average number of common shares — diluted		137,165			142,639			146,255

Basic earnings per common share	$	3.49		$	2.49		$	2.99

Diluted earnings per common share	$	3.47		$	2.47		$	2.96

For the fiscal years ended September 30, 2019, 2018 and 2017, 3,547, 1,357 and 1,281 shares, respectively, on a weighted average basis, were attributable to antidilutive outstanding stock options and therefore were not included in the calculation of diluted earnings per share.