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DISPOSITION OF BUSINESS (Income (Loss) Attributable to Catalyst Services) (Details) - USD ($)
$ in Thousands
2 Months Ended 3 Months Ended 8 Months Ended 9 Months Ended
Sep. 01, 2016
Sep. 30, 2015
Sep. 01, 2016
Sep. 30, 2015
Catalyst Services | Disposal Group, Disposed of by Sale, Not Discontinued Operations        
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
(Loss) income before provision for income taxes $ (1,218) $ 1,089 $ 290 $ 2,489