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INCOME AND FRANCHISE TAXES (Details 4) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Tax credit carryforwards  
Unrecognized tax benefits that, if recognized would favorably affect the effective income tax rate $ 0
State
 
Tax credit carryforwards  
Tax credit carryforwards that do not expire 23.8
Federal
 
Tax credit carryforwards  
Tax credit carryforwards 13.6
Tax credit carryforwards that expire 11.1
Expiration period of tax credit carryforwards 20 years
Tax credit carryforwards that do not expire $ 2.5