Earnings Per Share

9 Months Ended

Sep. 30, 2018

Note 3—Earnings Per Share

The Company has two classes of common stock, Class A and Class B. Basic and diluted earnings per share (“EPS”) attributable to common stockholders for Class A and Class B common stock were the same because they were entitled to the same liquidation and dividend rights.

The computation of basic and diluted EPS is as follows (in thousands, except per share amounts):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2018		2017		2018		2017
Numerator:
Net income	$	20,292	$	10,229	$	48,705	$	33,987
Denominator:
Weighted-average shares outstanding—basic		42,721		40,700		42,178		39,977
Effect of dilutive securities:
Options to purchase common stock		3,239		3,078		2,780		3,593
Employee stock purchase plan shares		270		322		273		250
Restricted stock		346		145		229		99
Weighted-average shares outstanding—diluted		46,576		44,245		45,460		43,919
Basic EPS	$	0.47	$	0.25	$	1.15	$	0.85
Diluted EPS	$	0.44	$	0.23	$	1.07	$	0.77
Anti-dilutive equity awards under stock-based award plans excluded from the determination of diluted EPS		167		899		167		899