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Investment in Unconsolidated Entities (Tables)

6 Months Ended

Jun. 30, 2012

Equity Method Investment, Summarized Financial Information [Abstract]

Equity method investments, summarized results of operations

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2012		2011		2012		2011
(Dollars in thousands)

Revenues	$	1,420,492	$	1,355,114	$	2,851,865	$	2,679,573
Operating expenses		1,014,995		1,034,407		2,086,883		2,065,762
Operating income		405,497		320,707		764,982		613,811
Other income (expense), net		1,320		1,386		2,236		2,813
Net income	$	406,817	$	322,093	$	767,218	$	616,624

- Definition

The entire disclosure for equity investment, or group of investments, for which combined disclosure is appropriate, including: (a) the name of each investee and percentage of ownership of common stock, (b) accounting policies for investments in common stock, (c) difference between the amount at which the investment is carried and the amount of underlying equity in net assets and the accounting treatment of the difference, (d) the total fair value of each identified investment for which a market value is available, (e) summarized information as to assets, liabilities, and results of operations of the investees (for investments in unconsolidated subsidiaries, common stock of joint ventures, or other investments using the equity method), and (f) material effects of possible conversions, exercises, or contingent issuances of the investee. Other disclosures include (a) the names of any investee in which the investor owns 20 percent or more of the voting stock and investment is not accounted for using the equity method, and the reasons why not, and (b) the names of any investee in which the investor owns less than 20 percent of the voting stock and the investment is accounted for using the equity method, and the reasons why it is.

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