NET INCOME (LOSS) PER SHARE

6 Months Ended

Jun. 30, 2014

Earnings Per Share [Abstract]

NET INCOME (LOSS) PER SHARE

NET INCOME (LOSS) PER SHARE

A reconciliation of the numerator and denominator of basic and diluted net income (loss) per share is as follows:

	Three Months Ended				Six Months Ended
	June 30, 2014		June 30, 2013		June 30, 2014		June 30, 2013
	(in thousands, except per share data)
Net income (loss)	$	19,236	$	12,976	$	21,402	$	(34,691	)
Weighted-average shares - basic	421,090		428,239		423,233		428,617
Dilutive effect of incremental shares and share equivalents	1,744		2,297		1,643		—
Weighted-average shares - diluted	422,834		430,536		424,876		428,617
Net income (loss) per share:
Basic
Net income (loss) per share - basic	$	0.05	$	0.03	$	0.05	$	(0.08	)
Diluted
Net income (loss) per share - diluted	$	0.05	$	0.03	$	0.05	$	(0.08	)

The following table summarizes securities that were not included in the “Weighted-average shares - diluted” used for calculation of diluted net income (loss) per share, as their effect would have been anti-dilutive:

	Three Months Ended		Six Months Ended
	June 30, 2014	June 30, 2013	June 30, 2014	June 30, 2013
	(in thousands)
Employee stock options and restricted stock units outstanding	4,116	6,923	4,940	9,377