XML 106 R95.htm IDEA: XBRL DOCUMENT v2.4.0.6
Supplemental Guarantor Financial Information (Details)
Dec. 31, 2012
Dec. 31, 2012
4.75% Notes
Dec. 31, 2003
4.75% Notes
Dec. 31, 2012
7.25% Notes
Nov. 30, 2010
7.25% Notes
Dec. 31, 2012
Guarantor Subsidiaries
Long-term Debt            
Ownership interest (as a percent) 100.00%         100.00%
Interest rate (as a percent)   4.75% 4.75% 7.25% 7.25%