Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2019

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,
	2019		2018		2019		2018
Net income	$	131,390	$	117,049	$	164,027	$	148,388
Weighted average shares outstanding:
Basic	39,827		40,453		39,654		40,413
Effect of dilutive securities:
Stock options and employee stock purchase plan	1,021		1,361		1,119		1,427
Diluted	40,848		41,814		40,773		41,840
Earnings per share:
Basic	$	3.30	$	2.89	$	4.14	$	3.67
Diluted	$	3.22	$	2.80	$	4.02	$	3.55
Anti-dilutive stock options excluded from diluted earnings per share computations	50		—		50		—