Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Computation of earnings per share and reconciliation of basic and diluted weighted average common shares outstanding

The table below presents the computation of EPS, including the reconciliation of basic and diluted weighted average shares outstanding (in thousands, except EPS):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2020		2019		2020		2019
Net income	$	157,555	$	131,390	$	188,467	$	164,027
Weighted average shares outstanding:
Basic	39,973		39,827		40,049		39,654
Effect of dilutive securities:
Stock options and employee stock purchase plan	742		1,021		788		1,119
Diluted	40,715		40,848		40,837		40,773
Earnings per share:
Basic	$	3.94	$	3.30	$	4.71	$	4.14
Diluted	$	3.87	$	3.22	$	4.62	$	4.02
Anti-dilutive stock options excluded from diluted earnings per share computations	—		50		—		50