NATURE OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES (Revenue Recognition) (Details) (Sales Revenue, Net, Product Concentration Risk)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Time and Material Contracts
Concentration Risk [Line Items]
Percentage of total revenues	84.70%	82.30%	84.10%
Fixed Price Contracts
Concentration Risk [Line Items]
Percentage of total revenues	13.60%	15.70%	13.70%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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