Convertible Notes (Tables)

6 Months Ended

Jun. 30, 2011

Convertible Notes

Principal Balance, Unamortized Discount And Net Carrying Amount Of The Liability Components And Equity Components

	Liability Component						Equity Component
June 30, 2011	Principal Balance		Unamortized Discount		Net Carrying Amount		Net Carrying Amount
2018 Convertible Notes	$	230,000	$	56,677	$	173,323	$	34,427

Schedule Of Accretion Of Debt Discount

2018 Convertible Notes	(In thousands)
Remainder of 2011	$	4,305
2012	$	8,609
2013	$	8,609
2014	$	8,609
2015	$	8,609
Thereafter	$	17,936