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INCOME TAXES (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
INCOME TAXES [Abstract]          
Income Tax Expense (Benefit) $ 5,711,000 $ 13,589,000 $ 38,913,000 $ 64,722,000  
Effective Income Tax Rate, Continuing Operations     43.81601% 39.64109%  
Unrecognized Tax Benefits 20,000,000   20,000,000   14,300,000
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 16,000,000   16,000,000    
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued $ 3,300,000   $ 3,300,000   $ 2,400,000