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Discontinued Operations (Tables)
6 Months Ended
Jun. 30, 2012
Discontinued Operations [Abstract]  
Income from discontinued operations
Income from discontinued operations consisted of the following (in millions):
 
Quarter Ended
Six Months Ended
June 30,
June 30,
2012
2011
2012
2011
Proceeds from the Sale of Income-Producing Properties
--
22.4
8.9
36.6
Real Estate Leasing Revenue
--
0.9
0.1
2.1
Gain on Sale of Income-Producing Properties
--
8.7
3.9
15.3
Real Estate Leasing Operating Profit
--
0.6
--
1.4
Total Operating Profit Before Taxes
--
9.3
3.9
16.7
Income Tax Expense
--
3.7
1.5
6.7
Income from Discontinued Operations
$
--
$
5.6
$
2.4
$
10.0