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NONCONTROLLING INTEREST PUTS (Details)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2011
USD ($)
Jun. 30, 2011
CAD
Jun. 30, 2010
USD ($)
Jun. 30, 2010
CAD
Mar. 31, 2010
Jun. 30, 2011
USD ($)
Jun. 30, 2011
CAD
Jun. 30, 2010
USD ($)
Jun. 30, 2010
CAD
Dec. 31, 2010
USD ($)
Notes To Financial Statements [Abstract]                    
Ownership interest percentage in Ontario, Canada joint venture (in hundredths) 85.60% 85.60%       85.60% 85.60%      
Noncontrolling interest put in Ontario, Canada joint venture           $ 0   $ 137.5   $ 137.5
Number of transactions affecting ownership interest percentage in Ontario joint venture         2          
Noncontrolling interest in Ontario, Canada joint venture 30.7         30.7        
Combined contractual value of noncontrolling interest puts 144.1         144.1        
Noncontrolling interest current liability 153.4         153.4       148.1
Net sales of Ontario, Canada joint venture 80.8   71.1     154.9   140.0    
Net sales of Ontario, Canada joint venture (in Canadian dollars)   78.1   73.1     151.2   144.8