Credit Risk and Fair Value of Financial Instruments Level 3 (Tables)

6 Months Ended

Jun. 30, 2013

Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]

Fair Value, Measurement Inputs, Disclosure [Table Text Block]

The fair value of our debt instruments at June 30, 2013 and December 31, 2012 was as follows:

	June 30, 2013		December 31, 2012
	(In thousands)
7.875% Debentures due February 2013	$	—	$	4,786
6.75% Senior Notes due April 2015	146,494		150,112
6.75% Senior Notes due April 2016	213,167		222,049
7.0% Senior Notes due June 2017	325,238		341,094
7.625% Senior Notes due October 2018	282,500		298,750
7.0% Senior Notes due May 2019	266,250		276,250
4.5% Senior Notes due November 2020	192,500		204,500
8.0% Senior Notes due November 2021	173,250		186,000
7.5% Senior Notes due April 2027	214,500		215,500
Bank credit facility due March 2016	86,600		86,600
Mortgage notes and other debt, maturities through 2047	4,824		5,698
Total fair value of debt instruments	$	1,905,323	$	1,991,339