CREDIT AGREEMENTS (Details) € in Thousands, £ in Thousands, SGD in Thousands, NZD in Thousands, AUD in Thousands, $ in Thousands		3 Months Ended
	Aug. 01, 2014 GBP (£)	Mar. 31, 2016 USD ($)	Mar. 31, 2016 AUD	Mar. 31, 2016 NZD	Mar. 31, 2016 SGD	Mar. 31, 2016 GBP (£)	Mar. 31, 2016 USD ($)	Mar. 31, 2016 EUR (€)	Aug. 01, 2014 USD ($)
Lloyds
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	£ 15,000						$ 6,402		$ 21,540
Line of credit facility, covenant, maximum credit dilution		5.00%
Additional borrowing availability							$ 5,894
Interest rates on outstanding borrowing			2.25%	2.25%	2.25%	2.25%	2.25%	2.25%
Minimum availability required						£ 2,000	$ 2,872
Line of Credit Facility, Fair Value of Amount Outstanding							(508)
Lloyds | Credit Facility Lending based on Billed Revenue [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	£ 12,000								17,232
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								$ 4,308
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				2,297
Debt Instrument, Fee Percent		1.50%
Outstanding Borrowings							(1,855)
Additional availability for financial guarantee							$ 442
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				$ 3,063
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		$ 5,841
Debt, weighted average interest rate			3.59%	3.59%	3.59%	3.59%	3.59%	3.59%
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%
Hudson Information Technology (US) Business
Line of Credit Facility [Line Items]
Termination fee		$ 161
Payments to Secure Letter of Credit		$ 417
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			$ 3,455
LIne of Credit Facility, Notice Period		90 days
Additional borrowing availability							$ 1,785
Interest rates on outstanding borrowing			4.60%	4.60%	4.60%	4.60%	4.60%	4.60%
Debt Instrument, Fee Amount				NZD 1			$ 1
Long-term Line of Credit							(56)
Line of Credit Facility, Current Borrowing Capacity							1,841
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				19,143
Debt instrument, interest rate increase		1.50%
Additional borrowing availability							$ 9,297
Interest rates on outstanding borrowing			3.65%	3.65%	3.65%	3.65%	3.65%	3.65%
Debt Instrument, Fee Amount							$ 5
Line of Credit Facility, Current Borrowing Capacity							14,503
Line of Credit Facility, Fair Value of Amount Outstanding							(5,206)
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							$ 1,138	€ 1,000
LIne of Credit Facility, Notice Period		15 days