v2.4.0.8
Operating Segments and Concentrations of Credit Risk (Geographic Information) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Net revenues $ 798,419 $ 748,977 $ 734,928 $ 740,060 $ 674,087 $ 621,337 $ 585,511 $ 551,745 $ 3,022,384 $ 2,432,680 $ 2,032,729
United States long-lived assets 17,921,968       12,979,184       17,921,968 12,979,184  
United States [Member]
                     
Net revenues                 2,862,397 2,283,088 1,902,536
United States long-lived assets 17,670,665       12,730,337       17,670,665 12,730,337  
Australia [Member]
                     
Net revenues                 156,633 146,344 126,214
United States long-lived assets 235,493       232,099       235,493 232,099  
Other Countries [Member]
                     
Net revenues                 3,354 3,248 3,979
United States long-lived assets $ 15,810       $ 16,748       $ 15,810 $ 16,748