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Supplemental Disclosures (Schedule Of Cash Paid For Interest And Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Supplemental Disclosures [Abstract]
Interest	$ 682,608	$ 610,549
Income taxes	$ 37,764	$ 62,080

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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