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Supplemental Disclosures for Consolidated Statements of Cash Flows (Narrative) (Details) (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Supplemental Disclosures For Consolidated Statements Of Cash Flows Narrative Details
Interest paid, net	$ 21,900,000	$ 85,200,000
Income taxes paid, net	$ 788,000	$ 2,400,000

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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