XML 35 R77.htm IDEA: XBRL DOCUMENT v2.4.0.8
Fair Value Disclosures Fair Value Disclosures (Narrative) (Details) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Fair Value Disclosures [Abstract]    
Senior notes $ 2,058,168 $ 2,509,613