DIVESTITURES (Details) - USD ($)			3 Months Ended		9 Months Ended
	Jun. 15, 2015	May 07, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax			$ 0	$ 169,000	$ 0	$ 468,000
Hudson Information Technology (US) Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestiture of businesses	$ 16,977,000
Pre-tax Gain (loss)				0		130,000
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal						15,918,000
Disposal Group, Not Discontinued Operation, Tax Expense (Benefit)						11,000
Netherlands Business Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from divestiture of businesses		$ 9,029,000
Pre-tax Gain (loss)				0		373,000
Proceeds From Divestiture of Business, Cash Retained		$ 1,135,000
Reclassification out of Accumulated Other Comprehensive Income [Member] | Exit of Business in Central and Eastern Europe [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax				4,000		1,190,000
Reclassification out of Accumulated Other Comprehensive Income [Member] | Luxembourg
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax				$ 131,000		$ 131,000