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Note 5 - Dispositions of Real Estate and Assets Held-for-sale (Tables)
12 Months Ended
Dec. 31, 2019
Notes Tables  
Disposal Groups, Including Discontinued Operations [Table Text Block]
   

Year Ended December 31,

 
   

2019 *

   

2018

   

2017

 

Aggregate sales price/gross fair value

  $ 344.7     $ 1,164.3     $ 352.2  

Gain on sale of operating properties/change in control of interests

  $ 79.2     $ 229.8     $ 93.5  

Number of operating properties sold/deconsolidated

    20       54       25  

Number of out-parcels sold

    9       7       9