Debt and Capital Lease Obligations (Tables)

12 Months Ended

Dec. 31, 2012

Debt Disclosure [Abstract]

Summary of the current and non-current portions of the debt outstanding

The following tables provide a summary of the current and non-current portions of the debt outstanding at December 31, 2012 and 2011 (in thousands):

	December 31, 2012
	Current		Non-Current
10% Senior Secured Notes, net of discount, due June 2020	$	—	$	636,111
3.25% Convertible Notes, net of discount, due June 2016	—		198,689
5.00% Debentures, net of discount	—		2,774
6.00% Convertible Notes, net of discount, due June 2017	—		331,977
Bank loans with a weighted average rate of 3.57% due January 2013 - September 2017	39,252		4,118
Total debt	39,252		1,173,669
Capital lease obligations	352		15,163
Total debt and capital lease obligations	$	39,604	$	1,188,832

	December 31, 2011
	Current		Non-Current
3.25% Convertible Notes, net of discount, due June 2016	$	—	$	190,877
Bank loans 2.69% - 3.88% due February 2012 - September 2017	1,516		5,668
Total debt	$	1,516	$	196,545