Net Income Per Share (Tables)

12 Months Ended

Dec. 31, 2021

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, 2021, 2020, and 2019 were as follows:

	Year Ended December 31,
	2021		2020		2019
	(In thousands, except per share data)
Net income	$	77,849	$	32,194	$	61,338
Weighted-average shares outstanding – basic	43,475		42,583		41,462
Effect of dilutive securities from stock award plans	2,136		1,160		1,481
Effect of convertible senior notes	2,044		—		—
Effect of warrants	288		—		—
Weighted-average shares outstanding – diluted	47,943		43,743		42,943
Net income per share – basic	$	1.79	$	0.76	$	1.48
Net income per share – diluted	$	1.62	$	0.74	$	1.43
Anti-dilutive weighted-average shares related to stock award plans	156		2,054		926
Anti-dilutive weighted-average shares related to convertible senior notes and warrants	—		11,816		—