Indebtedness (Tables)

6 Months Ended

Jun. 30, 2012

Debt Disclosure [Abstract]

Schedule Of Indebtedness

Our indebtedness is summarized as follows (in thousands):

	June 30, 2012		December 31, 2011
Current portion:
Promissory note related to revenue sharing obligation	$	94,391	$	63,552
Current portion of indebtedness	$	94,391	$	63,552
Non-current portion:
Convertible senior notes, net of debt discount	$	510,680	$	496,037
Notes payable, net of debt discount	156,140		155,064
Promissory note related to revenue sharing obligation, net of debt discount and net of current portion	956,163		924,306
Non-current portion of indebtedness	$	1,622,983	$	1,575,407

Summary Of Principal Amount Of Liability Component (Including Accrued Interest), Unamortized Discount And Net Carrying Amount Of RSO

The following table summarizes the principal amount of the liability component (including accrued interest), the unamortized discount and net carrying amount of the RSO as of June 30, 2012 and December 31, 2011 (in thousands):

	June 30, 2012			December 31, 2011
Promissory note related to revenue sharing obligation —Due December 31, 2036
Principal amount, including accrued interest	$	1,258,875		$	1,209,109
Unamortized debt discount	(208,321		)	(221,251		)
Net carrying amount	1,050,554			987,858
Less current portion	(94,391		)	(63,552		)
Non-current portion	$	956,163		$	924,306

Summary Of Principal Amount Of Liability Component, Unamortized Discount And Net Carrying Amount Of Convertible Senior Notes

The following table summarizes the principal amount of the liability component, the unamortized discount and the net carrying amount of our convertible senior notes (in thousands):

	June 30, 2012			December 31, 2011
2007 Notes—Due June 15, 2014
Principal amount	$	575,000		$	575,000
Unamortized debt discount	(64,320		)	(78,963		)
Net carrying amount	510,680			496,037
Total convertible senior notes, net	510,680			496,037
Less current portion	—			—
Non-current portion	$	510,680		$	496,037