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7. INCOME TAXES (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Policy Text Block [Abstract]        
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent     31.80% 35.00%
Income Tax Credits and Adjustments (in Dollars)     $ 0.1 $ 0.2
Effective Income Tax Rate Reconciliation, Percent 32.20% 31.30% 33.40% 33.10%