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STOCK COMPENSATION PLANS (Performance Awards) (Details)
12 Months Ended
Dec. 31, 2011
Below 35 Th Percentile [Member]
 
Performance unit vesting based on performance [Abstract]  
Shares vested, percent of grant (in hundredths) 0.00%
At 35 Th Percentile [Member]
 
Performance unit vesting based on performance [Abstract]  
Shares vested, percent of grant (in hundredths) 50.00%
At 50 Th Percentile [Member]
 
Performance unit vesting based on performance [Abstract]  
Shares vested, percent of grant (in hundredths) 100.00%
At 75 Th Percentile [Member]
 
Performance unit vesting based on performance [Abstract]  
Shares vested, percent of grant (in hundredths) 150.00%