Net Income (Loss) per Share (Tables)

9 Months Ended

Sep. 30, 2012

Net Income (Loss) per Share

Basic and diluted net income (loss) per share

	Three Months Ended					Nine Months Ended
	September 30,					September 30,
	2012		2011			2012			2011
	(In thousands, except per share amounts)
Numerator:
Net income (loss) - basic	$	17,396	$	(36,860	)	$	(144,866	)	$	(140,565	)
Add: interest and issuance costs related to convertible senior notes	—		—			—			—
Net income (loss) - diluted	$	17,396	$	(36,860	)	$	(144,866	)	$	(140,565	)
Denominator:
Weighted average common shares outstanding - basic	65,831		63,555			64,362			63,328
Dilutive effect of convertible senior notes	—		—			—			—
Dilutive effect of stock options	2,632		—			—			—
Weighted-average common shares outstanding and dilutive potential common shares - diluted	68,463		63,555			64,362			63,328
Net income (loss) per share:
Basic	$	0.26	$	(0.58	)	$	(2.25	)	$	(2.22	)
Diluted	$	0.25	$	(0.58	)	$	(2.25	)	$	(2.22	)