Net Income Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Calculation of Basic and Diluted Net Income Per Share

The basic and diluted net income per share calculations for the years ended December 31, 2019, 2018, and 2017 were as follows:

	Year Ended December 31,
	2019		2018		2017
	(In thousands, except per share data)
Net income	$	61,338	$	37,729	$	30,518
Weighted-average shares outstanding — basic	41,462		39,242		37,483
Effect of dilutive securities from stock award plans	1,481		1,317		1,229
Weighted-average shares outstanding — diluted	42,943		40,559		38,712
Net income per share - basic	$	1.48	$	0.96	$	0.81
Net income per share - diluted	$	1.43	$	0.93	$	0.79
Anti-dilutive weighted-average shares related to stock award plans	926		1,279		501