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Cash Flow, Supplemental Disclosures (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Supplemental Cash Flow Information Abstract
Cash paid for interest	$ 150,606	$ 157,976	$ 161,925
Cash paid (received) for income taxes	$ (432)	$ (8,329)	$ (63,677)

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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