XML 39 R31.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Credit Risk and Fair Value of Financial Instruments Level 3 (Tables)
6 Months Ended
Jun. 30, 2011
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, 2011 and December 31, 2010 was as follows:
 
June 30, 2011
 
December 31, 2010
 
(In thousands)
7.875% Debentures due February 2013
$
5,173


 
$
9,092


7.375% Senior Notes due October 2014
199,665


 
194,244


6.75% Senior Notes due April 2015
152,859


 
161,968


6.75% Senior Notes due April 2016
222,380


 
216,653


7.0% Senior Notes due June 2017
317,125


 
302,375


7.625% Senior Notes due October 2018
275,313


 
262,500


7.0% Senior Notes due May 2019
263,125


 
251,250


8.0% Senior Notes due November 2021
162,750


 
158,063


7.5% Senior Notes due April 2027
192,376


 
194,920


Mortgage notes and other debt, maturities through 2047
36,394


 
37,991


Total fair value of debt instruments
$
1,827,160


 
$
1,789,056