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Accounting for and Classification of Discontinued Operations (Tables)
6 Months Ended
Jun. 30, 2011
Accounting for and Classification of Discontinued Operations [Abstract]  
Income From Discontinued Operations
Income from discontinued operations consisted of (in millions):
 
   
Quarter Ended
   
Six Months Ended
 
   
June 30,
   
June 30,
 
   
2011
   
2010
   
2011
   
2010
 
                                 
Discontinued operations (net of tax)
                               
Sales of assets
 
$
5.3
   
$
5.9
   
$
9.3
   
$
19.1
 
Leasing operations
   
0.2
     
0.8
     
0.4
     
2.0
 
Total
 
$
5.5
   
$
6.7
   
$
9.7
   
$
21.1