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Investment in Unconsolidated Entities (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Investment in unconsolidated entities
Equity in earnings of unconsolidated entities	$ 21,929,000	$ 23,971,000	$ 65,289,000	$ 74,418,000
Summarized results of operations, equity method investments
Revenues	1,387,000,000	1,260,000,000	4,066,000,000	3,680,000,000
Operating expenses	1,034,000,000	908,000,000	3,099,000,000	2,613,000,000
Operating income	353,000,000	352,000,000	967,000,000	1,067,000,000
Other income	1,000,000	8,000,000	3,000,000	28,000,000
Net income	354,000,000	360,000,000	970,000,000	1,095,000,000
Los Angeles SMSA Limited Partnership
Investment in unconsolidated entities
Equity in earnings of unconsolidated entities	$ 16,600,000	$ 16,100,000	$ 43,700,000	$ 49,500,000
Ownership interest in equity method investment	5.50%	5.50%	5.50%	5.50%

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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The amount of the cost of sales reported by an equity method investment of the entity.

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- Definition

The amount of gross profit (loss) reported by an equity method investment of the entity.

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The amount of net income (loss) reported by an equity method investment of the entity.

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