Net Income (Loss) per Share (Tables)

6 Months Ended

Jun. 30, 2013

Net Income (Loss) per Share

Basic and diluted net income (loss) per share

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2013			2012			2013			2012
	(In thousands, except per share amounts)
Numerator:
Net income (loss) - basic	$	(53,168	)	$	(106,049	)	$	(86,839	)	$	(162,261	)
Add: interest and issuance costs related to convertible senior notes	—			—			—			—
Net income (loss) - diluted	$	(53,168	)	$	(106,049	)	$	(86,839	)	$	(162,261	)
Denominator:
Weighted average common shares outstanding - basic	72,951			64,209			72,113			63,953
Dilutive effect of convertible senior notes	—			—			—			—
Dilutive effect of stock options	—			—			—			—
Weighted-average common shares outstanding and dilutive potential common shares - diluted	72,951			64,209			72,113			63,953
Net income (loss) per share:
Basic	$	(0.73	)	$	(1.65	)	$	(1.20	)	$	(2.54	)
Diluted	$	(0.73	)	$	(1.65	)	$	(1.20	)	$	(2.54	)