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OTHER FINANCIAL INFORMATION (TABLES)
12 Months Ended
Dec. 31, 2014
OTHER FINANCIAL INFORMATION [ABSTRACT]  
Table of Self Insurance Liabilities
  December 31,
  2014 2013
Worker's compensation$ 2,007 $ 1,649
Employee health and dental insurance  4,769   3,633
Other insurance  1,068   631
 Total self-insurance liabilities$ 7,844 $ 5,913