DEBT (Tables)

6 Months Ended

Jun. 30, 2011

DEBT

Schedule of convertible debt

Convertible debt as of June 30, 2011 consisted of the following (in thousands):

June 30, 2011	Outstanding Principal Amount		Unamortized Debt Discount			Carrying Value
1.25% Convertible Senior Notes due March 2015	$	575,000	$	(88,222	)	$	486,778

Convertible debt as of December 31, 2010 consists of the following (in thousands):

December 31, 2010	Outstanding Principal Amount		Unamortized Debt Discount			Carrying Value
1.25% Convertible Senior Notes dues March 2015	$	575,000	$	(98,770	)	$	476,230
0.75% Convertible Senior Notes due September 2013	213		(38		)	175
Outstanding convertible debt	$	575,213	$	(98,808	)	$	476,405