Net Income Per Share

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Net Income Per Share

Note N—Net Income Per Share

The calculation of net income per share for the three years ended December 31, 2022, 2021 and 2020, are reflected in the following table (in thousands, except per share amounts):

	Year Ended December 31,
	2022		2021		2020
Net income	$	657,919	$	598,626	$	306,276
Basic:
Weighted average shares	108,214		110,482		112,729
Diluted:
Weighted average shares	108,214		110,482		112,729
Dilutive effect of potential common shares	957		1,236		589
Diluted weighted average shares	109,171		111,718		113,318
Net income per share:
Basic	$	6.08	$	5.42	$	2.72
Diluted	$	6.03	$	5.36	$	2.70

Potential common shares include the dilutive effect of unvested performance-based restricted stock, restricted stock which contains forfeitable rights to dividends, and stock units.