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Note 7 - Investment and Advances in Real Estate Joint Ventures - Investment and Advances to Real Estate Joint Ventures - Balance Sheets (Details) - Excluding KIR and Rio Can [Member] - USD ($) $ in Millions | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Assets | $ 3,611.0 | $ 3,966.5
Noncontrolling interests | 15.5 | 15.9
Partners’/Members’ capital | 1,842.8 | 1,805.3
| 3,611.0 | 3,966.5
Real Estate [Member] |  |
Assets | 3,402.1 | 3,741.9
Other Assets [Member] |  |
Assets | 208.9 | 224.6
Notes Payable [Member] |  |
Liabilities | 233.1 | 214.5
Mortgages Payable [Member] |  |
Liabilities | 1,467.1 | 1,848.5
Other Liabilities [Member] |  |
Liabilities | $ 52.5 | $ 82.3

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