Debt (Tables)

12 Months Ended

Dec. 31, 2014

Debt [Abstract]

Fair value of debt

The par value and fair value of our debt at December 31, 2014 and 2013 appears in the table below.

	Par Value		Total Fair Value		Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
	(In thousands)
December 31, 2014
Debt:
Senior Notes	$	61,953	$	63,618	$	-	$	63,618	$	-
Convertible Senior Notes due 2017		345,000		387,997		-		387,997		-
Convertible Senior Notes due 2020		500,000		735,075		-		735,075		-
Convertible Junior Subordinated Debentures		389,522		500,201		-		500,201		-
Total Debt	$	1,296,475	$	1,686,891	$	-	$	1,686,891	$	-
December 31, 2013
Debt:
Senior Notes	$	82,883	$	85,991	$	85,991	$	-	$	-
Convertible Senior Notes due 2017		345,000		388,988		388,988		-		-
Convertible Senior Notes due 2020		500,000		685,625		685,625		-		-
Convertible Junior Subordinated Debentures		389,522		439,186		-		439,186		-
Total Debt	$	1,317,405	$	1,599,790	$	1,160,604	$	439,186	$	-