Earnings Per Share Attributable to Common Stockholders (Tables)

6 Months Ended

Jun. 30, 2020

Computation of Basic and Diluted Net Income (Loss) Per Share

The following table presents the calculation of basic and diluted net income (loss) per share attributable to common stockholders for the three and six months ended June 30, 2020 and 2019:

	Three Months Ended June 30,					Six Months Ended June 30,
	2020			2019		2020			2019
	(in thousands, except per share data)
Basic earnings (loss) per share:
Net income (loss) attributable to common stockholders (numerator)	$	(45,411	)	$	1,252	$	(78,838	)	$	8,142
Shares used in computation (denominator)
Weighted-average common shares outstanding		92,116			91,177		91,954			91,064
Basic earnings (loss) per share	$	(0.49	)	$	0.01	$	(0.86	)	$	0.09
Diluted earnings (loss) per share:
Net income (loss) attributable to common stockholders (numerator)	$	(45,411	)	$	1,252	$	(78,838	)	$	8,142
Shares used in computation (denominator)
Weighted-average common shares outstanding		92,116			91,177		91,954			91,064
Effect of dilutive securities:
Stock options		—			1,188		—			1,248
Restricted stock units		—			421		—			540
Weighted-average diluted shares		92,116			92,786		91,954			92,852
Diluted earnings (loss) per share	$	(0.49	)	$	0.01	$	(0.86	)	$	0.09

Anti-dilutive Securities Excluded from Calculation of Diluted Net Income (Loss) Per Share

The number of shares of common stock underlying stock-based awards excluded from the calculation of diluted net income (loss) per share attributable to common stockholders because their effect would have been antidilutive for the three and six months ended June 30, 2020 and 2019 were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
	(in thousands)
Anti-dilutive shares underlying stock-based awards:
Stock options		2,818		854		2,818		853
Restricted stock units		4,047		2,060		4,047		633