Quarterly report pursuant to Section 13 or 15(d)

INCOME TAXES (Details)

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INCOME TAXES (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Dec. 31, 2011
INCOME TAXES [Abstract]      
Expected Annual Effective Income Tax Rate, Total (in hundredths) 19.00% 22.00%  
Income tax expense $ 4.3    
State and local taxes 1.0    
Unrecognized tax benefits 13.3   13.4
Increase For Unrecognized Tax Benefit 0.9    
Increase (Decrease) in Unrecognized Tax Benefits 0.1    
Increase in Unrecognized Tax Benefits from Taxes, Interest and Penalty 0.9    
Decrease in Unrecognized Tax Benefit, Settlements 1.0    
Establishment of Valuation Allowance on Deferred Tax Assets 0.5    
Income Tax Examination [Line Items]      
Tax years remain open to examination tax years 2002 through 2011    
Income Tax Expense Component Based on Expected Annual Rate $ 1.6