XML 24 R50.htm IDEA: XBRL DOCUMENT v2.4.0.8
Accrued Liabilities (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Accrued Liabilities, Current [Abstract]    
Interest Payable, Current $ 22,401 $ 27,770
Employee-related Liabilities, Current 63,303 88,512
Other Accrued Liabilities, Current 26,234 15,008
Accrued liabilities $ 111,938 $ 131,290