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Investments in Unconsolidated Entities (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011 | Dec. 31, 2011
Equity and cost method investments |  |  |  |  |
Investments in unconsolidated entities | $ 162,012 |  | $ 162,012 |  | $ 138,096
Equity in earnings of unconsolidated entities | 24,816 | 21,929 | 71,584 | 65,289 |
Equity method investments, combined income statements |  |  |  |  |
Revenues | 1,446,311 | 1,386,808 | 4,298,176 | 4,066,382 |
Operating expenses | 1,063,285 | 1,033,792 | 3,150,168 | 3,099,555 |
Operating income | 383,026 | 353,016 | 1,148,008 | 966,827 |
Other income (expense), net | (51) | 853 | 2,185 | 3,666 |
Net income | 382,975 | 353,869 | 1,150,193 | 970,493 |
Los Angeles SMSA Limited Partnership |  |  |  |  |
Equity and cost method investments |  |  |  |  |
Equity in earnings of unconsolidated entities | $ 18,300 | $ 16,600 | $ 54,600 | $ 43,700 |
Ownership interest in equity method investment | 5.50% | 5.50% | 5.50% | 5.50% |

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