INTEREST EXPENSE

12 Months Ended

Dec. 31, 2012

Interest Expense [Abstract]

INTEREST EXPENSE

INTEREST EXPENSE

Interest expense comprised the following for the years ended December 31, 2012, 2011 and 2010:

	For The Years Ending December 31,
	2012		2011		2010
Interest on Senior Notes	$	87,859	$	89,747	$	75,783
Interest on Convertible Notes	15,364		18,034		16,378
Interest on capital leases and other financing arrangements	4,447		4,167		9,040
	107,670		111,948		101,201
Amortization of capitalized debt issuance costs	14,101		6,226		5,706
Amortization of debt issuance discount and premium, net	5,999		17,379		21,299
Loss on extinguishment of debt	198		25,904		5,299
	20,298		49,509		32,304
Total interest expense	$	127,968	$	161,457	$	133,505

The loss on extinguishment of debt comprised the following for the years ended December 31, 2012, 2011 and 2010. (see Note 5 "Long-Term Debt and Other Financing Arrangements"):

	For The Years Ending December 31,
	2012			2011		2010
2013 Convertible Notes	$	3,763		$	23,516	$	724
2014 Floating Rate Notes	(3,565		)	—		(485		)
2016 Fixed Rate Notes	—			2,388		1,509
Credit Facilities	—			—		3,551
Loss on extinguishment	$	198		$	25,904	$	5,299