CREDIT AGREEMENTS - Credit Facilities (Details) - 9 months ended Sep. 30, 2016 NZD in Thousands, AUD in Thousands, $ in Thousands	AUD Rate	NZD Rate	USD ($) Rate
Lloyds [Member]
Line of Credit Facility [Line Items]
Debt Turns in days	55
National Australia Bank Limited and Bank of New Zealand [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Covenants, Minimum Fixed Charges Coverage Ratio Required | Rate	150.00%	150.00%	150.00%
Line of Credit Facility, Covenants, Minimum Receivables Ratio | Rate	120.00%	120.00%	120.00%
Financial Guarantee Facility | National Australia Bank Limited and Bank of New Zealand [Member]
Line of Credit Facility [Line Items]
Financial guarantee capacity	AUD 3,000		$ 2,298
Less: outstanding financial guarantee requested			1,904
Additional availability for financial guarantee			$ 394
Interest rates on financial guarantee requested	1.80%	1.80%	1.80%
Australian Receivables Facility [Member] [Domain] | National Australia Bank Limited and Bank of New Zealand [Member]
Line of Credit Facility [Line Items]
Borrowing capacity	AUD 4,000		$ 3,064
NEW ZEALAND | New Zealand Receivables Agreement [Member] | National Australia Bank Limited and Bank of New Zealand [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Fee Amount		NZD 1	1
Long-term Line of Credit			0
Borrowing capacity		NZD 5,000	3,643
Additional borrowing availability			$ 1,962
Interest rates on outstanding borrowing	4.19%	4.19%	4.19%
Line of Credit Facility, Current Borrowing Capacity			$ 1,962
Australia [Member] [Member] | Australian Receivables Facility [Member] [Domain] | National Australia Bank Limited and Bank of New Zealand [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Fee Amount	AUD 6		5
Borrowing capacity	AUD 25,000		19,150
Less: outstanding borrowing			(7,659)
Additional borrowing availability			$ 8,615
Interest rates on outstanding borrowing	3.17%	3.17%	3.17%
Line of Credit Facility, Current Borrowing Capacity			$ 16,274