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Notes Payable (Scheduled Repayments On Outstanding Debt) (Details) (USD $) In Millions, unless otherwise specified | Sep. 30, 2011
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2011 | $ 1.0
2012 | 294.2
2013 | 228.0
2014 | 11.0
2015 | 252.4
2016 and thereafter | 1,646.5
Total notes payable | $ 2,433.1
Weighted Average Interest Rate | 4.80%
Maturities Due In 2011 [Member] |
Weighted Average Interest Rate | 0.00%
Maturities Due In 2012 [Member] |
Weighted Average Interest Rate | 5.20%
Maturities Due In 2013 [Member] |
Weighted Average Interest Rate | 5.40%
Maturities Due In 2014 [Member] |
Weighted Average Interest Rate | 6.00%
Maturities Due In 2015 [Member] |
Weighted Average Interest Rate | 5.10%
Maturities Due In 2016 And Thereafter [Member] |
2016 and thereafter, Weighted average interest rate | 4.60%

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- Definition Amount of long-term debt maturing within the remainder of the current year following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates. + Details
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