v2.4.0.6
Debt (Details 5) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Interest Expense      
Gross interest expense $ 500,685 $ 435,289 $ 382,362
Amortization of discount, net 228 47,136 67,542
Amortization of deferred loan costs 20,476 32,402 17,069
Interest expense, Gross 521,389 514,827 466,973
Capitalized amounts (52,651) (53,661) (94,205)
Net interest expense $ 468,738 $ 461,166 $ 372,768