Net Income Per Share - (Tables)

9 Months Ended

Sep. 30, 2019

Earnings Per Share [Abstract]

Basic and Diluted Net Income Per Share

The basic and diluted net income per share calculations for the three and nine months ended September 30, 2019 and 2018 were as follows:

	Three months ended September 30,				Nine months ended September 30,
	2019		2018		2019		2018
	(In thousands, except per share data)
Net income	$	19,983	$	13,628	$	39,243	$	22,936
Weighted-average shares outstanding — basic	41,771		39,432		41,283		39,015
Effect of dilutive securities from stock award plans	1,281		1,428		1,513		1,222
Weighted-average shares outstanding — diluted	43,052		40,860		42,796		40,237
Net income per share - basic	$	0.48	$	0.35	$	0.95	$	0.59
Net income per share - diluted	$	0.46	$	0.33	$	0.92	$	0.57
Anti-dilutive weighted-average shares related to stock award plans	1,060		673		832		1,176