v2.4.0.6
Investment Securities (Details) (USD $)
3 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2012
Dec. 31, 2011
Marketable investment securities, restricted cash and cash equivalents, and other investment securities      
Total marketable investment securities - current $ 815,951,000 $ 815,951,000 $ 1,082,407,000
Restricted marketable investment securities 7,529,000 7,529,000 3,939,000
Total 823,480,000 823,480,000 1,086,346,000
Restricted cash and cash equivalents 21,516,000 21,516,000 20,347,000
Other investment securities - noncurrent:      
Cost Method 27,711,000 27,711,000 26,193,000
Equity Method 155,500,000 155,500,000 114,246,000
Total other investment securities - noncurrent 183,211,000 183,211,000 140,439,000
Total marketable investment securities, restricted cash and cash equivalents and other investment securities 1,028,207,000 1,028,207,000 1,247,132,000
Dividend income from one of the entity's strategic investments 29,000,000 46,000,000  
Corporate Bonds
     
Marketable investment securities, restricted cash and cash equivalents, and other investment securities      
Total marketable investment securities - current 654,096,000 654,096,000 561,149,000
VRDNs
     
Marketable investment securities, restricted cash and cash equivalents, and other investment securities      
Total marketable investment securities - current 66,145,000 66,145,000 218,665,000
Strategic
     
Marketable investment securities, restricted cash and cash equivalents, and other investment securities      
Total marketable investment securities - current 56,288,000 56,288,000 216,090,000
Other investment securities - noncurrent:      
Dividend income from one of the entity's strategic investments   46,000,000  
Other
     
Marketable investment securities, restricted cash and cash equivalents, and other investment securities      
Total marketable investment securities - current $ 39,422,000 $ 39,422,000 $ 86,503,000