Net Income (Loss) Per Common Share (Tables)

6 Months Ended

Jun. 30, 2016

Earnings Per Share [Abstract]

Calculation of Diluted Net Income Per Common Share

The following table reconciles the numerator and denominator used to calculate diluted net income (loss) per common share:

	Three Months Ended					Six Months Ended
	June 30,					June 30,
	2016			2015		2016			2015
Numerator:
Net income (loss)	$	(403,922	)	$	25,826	$	(399,106	)	$	22,708
Denominator:
Weighted-average common shares, basic		164,926			158,505		164,586			157,576
Dilutive effect of common stock equivalents		—			10,185		—			5,419
Weighted-average common shares, diluted		164,926			168,690		164,586			162,995