Earnings Per Share

9 Months Ended

Sep. 30, 2020

9. Earnings Per Share

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



	Three months ended				Nine months ended
	September 30,				September 30,
	2020		2019		2020		2019
Net income	$	80,244	$	98,582	$	164,807	$	277,742
Shares:
Weighted-average number of common shares outstanding (for basic calculation)		27,973		27,775		27,892		27,730
Dilutive stock awards		481		613		478		538
Weighted-average number of common shares outstanding (for diluted calculation)		28,454		28,388		28,370		28,268
Basic earnings per share	$	2.87	$	3.55	$	5.91	$	10.02
Diluted earnings per share	$	2.82	$	3.47	$	5.81	$	9.83

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The following stock awards were excluded from the calculation of diluted earnings per share:



	Three months ended				Nine months ended
	September 30,				September 30,
	2020		2019		2020		2019
Stock awards subject to performance conditions		100		84		97		83
Stock awards that were antidilutive		2		17		74		178
Total stock awards excluded from diluted earnings per share		102		101		171		261