Net Income Per Share Available to Common Stock (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Net Income Per Share Available to Common Stock

The following table sets forth the computation of our basic and diluted net income per share available to common stock (in thousands, except per share amounts):

	Three Months Ended June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
Numerator:
Basic:
Net income	$	38,904		$	23,996		$	74,149		$	48,488
Less: undistributed earnings allocated to participating securities	(287		)	(389		)	(614		)	(894		)
Net income available to common stockholders, basic	$	38,617		$	23,607		$	73,535		$	47,594
Diluted:
Net income attributable to common stockholders, basic	$	38,617		$	23,607		$	73,535		$	47,594
Add: undistributed earnings allocated to participating securities	18			31			38			73
Net income attributable to common stockholders, diluted	$	38,635		$	23,638		$	73,573		$	47,667
Denominator:
Basic:
Weighted-average shares used in computing net income per share available to common stockholders, basic	68,275			65,524			68,006			65,018
Diluted:
Weighted-average shares used in computing net income per share available to common stockholders, basic	68,275			65,524			68,006			65,018
Add weighted-average effect of dilutive securities:
Stock options and RSUs	4,488			5,497			4,466			5,708
Employee stock purchase plan	54			194			51			193
Weighted-average shares used in computing net income per share available to common stockholders, diluted	72,817			71,215			72,523			70,919
Net income per share attributable to common stockholders:
Basic	$	0.57		$	0.36		$	1.08		$	0.73
Diluted	$	0.53		$	0.33		$	1.01		$	0.67

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following outstanding shares of common stock equivalents were excluded from the computation of diluted net income per share available to common stockholders for the periods presented because including them would have been anti-dilutive (in thousands):

	Three Months Ended June 30,		Six Months Ended June 30,
	2016	2015	2016	2015
Stock options and RSUs to purchase common stock	3,211	2,370	3,487	2,138