BUSINESS HELD FOR SALE DISCONTINUED OPERATIONS AND DISPOSITIONS Cashflow of Disposal Group (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment of Commercial Cyber Solutions Goodwill	$ 6,980	$ 0
Discontinued Operation, Provision for Loss (Gain) on Disposal, before Income Tax	2,275	0
Commercial Cyber Solutions
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment of Commercial Cyber Solutions Goodwill	7,000		$ 8,000
Hexis | Commercial Cyber Solutions | Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Depreciation and amortization expense	1,016	1,893
Impairment of Commercial Cyber Solutions Goodwill	6,980	0
Discontinued Operation, Provision for Loss (Gain) on Disposal, before Income Tax	2,275		0
Loss recognized on classification as held for sale			$ 0
Purchases of property and equipment	$ (417)	$ (397)