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GODERICH TORNADO (Tables)
12 Months Ended
Dec. 31, 2011
Goderich Tornado [Abstract]  
Goderich Tornado Costs Incurred and Insurance Recoveries
For the year ended December 31, 2011, the impairment and clean-up and restoration costs incurred and insurance recoveries recognized in the consolidated statements of operations are as follows (in millions):
 
   
For the Year Ended
 
   
December 31, 2011
 
Product cost:
   
Property, plant and equipment impairment charges
 $4.8 
Site clean-up and restoration costs
  9.7 
Estimated insurance recoveries recognized
  (14.5)
Net impact on product cost excluding business interruption
 $-