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ENVIRONMENTAL (Tables)
 6 Months Ended
Jun. 30, 2011
ENVIRONMENTAL [Abstract]  
Environmental Provisions Charged (Credited) to Income Table
Environmental provisions charged (credited) to income, which are included in cost of goods sold, were as follows:

   
Three Months Ended
June 30,
   
Six Months Ended
June 30,
 
   
2011
   
2010
   
2011
   
2010
 
   
($ in millions)
   
($ in millions)
 
Charges to income
 
$
7.9
   
$
5.5
   
$
9.9
   
$
6.1
 
Recoveries from third parties of costs incurred and expensed in prior periods
   
(9.0
)
   
(2.8
)
   
(9.5
)
   
(5.4
)
Total environmental (income) expense
 
$
(1.1
)
 
$
2.7
   
$
0.4
   
$
0.7