Debt (Tables)

3 Months Ended

Mar. 31, 2014

Debt Instruments [Abstract]

Schedule of Long-term Debt Instruments

The following is a summary of the Company's total indebtedness at March 31, 2014 and December 31, 2013 (in thousands):

	March 31, 2014			December 31, 2013
1.75% Convertible Senior Subordinated Notes due 2015	$	379,500		$	379,500
Unamortized discount on 1.75% Convertible Senior Subordinated Notes due 2015	(27,772		)	(34,079		)
1.75% Convertible Senior Subordinated Notes due 2015, net	$	351,728		$	345,421
7.00% Senior Notes due 2019	$	500,000		$	500,000
7.00% Senior Notes due 2020	400,000			400,000
Unamortized initial purchaser’s discount	(2,721		)	(2,800		)
7.00% Senior Notes due 2020, net	$	397,279		$	397,200
7.25% Senior Notes due 2022	$	400,000		$	400,000
5.75% Senior Notes due 2022	700,000			700,000
3.25% AMS Convertible Notes due 2036	22			22
4.00% AMS Convertible Notes due 2041	106			111
New Term Loan A Facility Due 2019	1,100,000			—
New Term Loan B Facility Due 2021	425,000			—
Term Loan A Facility Due 2018	—			1,335,469
Term Loan B Facility Due 2018	—			60,550
Paladin debt	23,756			—
Total long-term debt, net	$	3,897,891		$	3,738,773
Less current portion, net	$	402,245		$	414,929
Total long-term debt, less current portion, net	$	3,495,646		$	3,323,844