CREDIT AGREEMENTS (Details) € in Thousands, £ in Thousands, SGD in Thousands, NZD in Thousands, AUD in Thousands, $ in Thousands		3 Months Ended	6 Months Ended
	Aug. 01, 2014 GBP (£)	Jun. 30, 2016 NZD	Jun. 30, 2016 USD ($)	Jun. 30, 2016 SGD	Jun. 30, 2016 GBP (£)	Jun. 30, 2016 AUD	Jun. 30, 2016 USD ($)	Jun. 30, 2016 EUR (€)	Aug. 01, 2014 USD ($)
Lloyds
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	£ 15,000						$ 8,607		$ 19,967
Line of credit facility, covenant, maximum credit dilution			5.00%
Additional borrowing availability							$ 8,607
Interest rates on outstanding borrowing		2.25%		2.25%	2.25%	2.25%	2.25%	2.25%
Minimum availability required					£ 2,000		$ 2,662
Line of Credit Facility, Fair Value of Amount Outstanding							0
Lloyds | Credit Facility Lending based on Billed Revenue [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	£ 12,000								15,973
Eligible work in progress temporary receivables	83.00%
Lloyds | Credit Facility Lending based on Unbilled Revenue [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	£ 3,000								$ 3,993
Eligible work in progress temporary receivables	75.00%
Eligible work in progress permanent receivables	25.00%
Lloyds [Member]
Line of Credit Facility [Line Items]
Debt Turns in days			55
National Australia Bank Limited and Bank of New Zealand [Member] | Financial Guarantee Facility
Line of Credit Facility [Line Items]
Financial guarantee capacity						AUD 3,000	2,235
Debt Instrument, Fee Percent			1.50%
Outstanding Borrowings							(1,852)
Additional availability for financial guarantee							$ 383
Interest rates on financial guarantee requested		1.80%		1.80%	1.80%	1.80%	1.80%	1.80%
National Australia Bank Limited and Bank of New Zealand [Member] | Australian Receivables Facility [Member] [Domain]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity						AUD 4,000	$ 2,980
National Australia Bank Limited [Member] | Financial Guarantee Facility
Line of Credit Facility [Line Items]
Debt Instrument, Fee Percent			0.30%
Lending Arrangements Belgium, Netherlands, Singapore, and Mainland China Banks | Overdraft Facility
Line of Credit Facility [Line Items]
Line of credit facility, average outstanding amount			$ 8,187
Debt, weighted average interest rate		3.56%		3.56%	3.56%	3.56%	3.56%	3.56%
Lending Arrangements Netherlands and Belgium Banks | Overdraft Facility | EURIBOR
Line of Credit Facility [Line Items]
Interest rates on outstanding borrowing		2.75%		2.75%	2.75%	2.75%	2.75%	2.75%
Base Rate | Lloyds
Line of Credit Facility [Line Items]
Debt instrument, interest rate increase			1.75%
Singapore Subsidiary | Overdraft Facility | Singapore Prime Rate
Line of Credit Facility [Line Items]
Debt instrument, interest rate increase			1.75%
Singapore Subsidiary | Lending Arrangements Singapore Bank
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				SGD 200			$ 148
Lending arrangement expiration			1 year
Singapore Subsidiary | Lending Arrangements Singapore Bank | Overdraft Facility | Singapore Prime Rate
Line of Credit Facility [Line Items]
Interest rates on outstanding borrowing		6.00%		6.00%	6.00%	6.00%	6.00%	6.00%
NEW ZEALAND | National Australia Bank Limited and Bank of New Zealand [Member] | New Zealand Receivables Agreement [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		NZD 5,000					$ 3,568
LIne of Credit Facility, Notice Period			90 days
Additional borrowing availability							$ 2,263
Interest rates on outstanding borrowing		4.38%		4.38%	4.38%	4.38%	4.38%	4.38%
Debt Instrument, Fee Amount		NZD 1					$ 1
Long-term Line of Credit							0
Line of Credit Facility, Current Borrowing Capacity							2,263
Australia [Member] [Member] | National Australia Bank Limited and Bank of New Zealand [Member] | Australian Receivables Facility [Member] [Domain]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity						AUD 25,000	18,625
Debt instrument, interest rate increase			1.50%
Additional borrowing availability							$ 7,690
Interest rates on outstanding borrowing		3.40%		3.40%	3.40%	3.40%	3.40%	3.40%
Debt Instrument, Fee Amount						AUD 6	$ 5
Line of Credit Facility, Current Borrowing Capacity							14,853
Line of Credit Facility, Fair Value of Amount Outstanding							(7,163)
Belgium Subsidiary | Lending Arrangements Belgium Bank
Line of Credit Facility [Line Items]
Terminated notice period			15 days
Belgium Subsidiary | Lending Arrangements Belgium Bank | Overdraft Facility
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity							$ 1,111	€ 1,000
LIne of Credit Facility, Notice Period		15 days