EMPLOYEE BENEFITS (Details Textual) - USD ($) $ in Thousands		12 Months Ended
	Jan. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Age at which enhanced contribution commences if age requirement was met on 1/1/2011		50 years
Defined Contribution Plan, Minimum age at 1/1/2011 to qualify for enhanced contribution		40 years
Eligible age for health plan coverage		65 years
Employer contributions in next fiscal year		$ 2,000
Foreign Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic cost (benefit)		2,100	$ 600	$ 700
Assets for plan benefits		105,100	104,100
Benefit obligation		$ 120,200	$ 120,300
Discount rate		0.89%	1.21%
Employer contributions in next fiscal year		$ 2,300
Foreign Pension Plan [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Planned asset allocations		38.00%
Foreign Pension Plan [Member] | Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Planned asset allocations		44.00%
Foreign Pension Plan [Member] | Other Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Planned asset allocations		18.00%
Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic cost (benefit)		$ 3,530	$ 2,022	1,400
Accumulated benefit obligation		232,500	230,200
Benefit obligation		235,826	234,350	235,433
Settlement loss	$ 600	633	16	810
Curtailment gain		0	0	409
Defined Benefit Plan, Special Termination Benefits		0	(235)	0
Acquisitions		0	235
Settlements		2,694	37
Amortization of prior service credit		$ (311)	$ (318)	(399)
Discount rate		4.38%	4.69%
Increase / Decrease in benefit obligation due to change in discount rate		$ 100
Future amortization of gain (loss)		3,700
Future amortization of transition assets		0
Future amortization of prior service cost (credit)		300
Employer contributions		4,214	$ 3,362
Other Postretirement Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic cost (benefit)		29	35	41
Benefit obligation		1,729	1,683	1,806
Settlement loss		0	0	0
Curtailment gain		0	0	0
Defined Benefit Plan, Special Termination Benefits		0	0	0
Acquisitions		0	0
Settlements		0	0
Amortization of prior service credit		$ 0	$ 0	0
Discount rate		4.38%	4.69%
Future amortization of gain (loss)		$ 40
Employer contributions		$ 108	$ 109
Domestic Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate		4.39%	4.75%
Employer contributions		$ 0	$ 0
Domestic Pension Plan [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Planned asset allocations		55.00%
Domestic Pension Plan [Member] | Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Planned asset allocations		36.00%
Domestic Pension Plan [Member] | Other Investments [Member]
Defined Benefit Plan Disclosure [Line Items]
Planned asset allocations		9.00%
Other Postretirement Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Eligible service period		10 years
Eligible age for electing early retirement		55 years
Eligible service period for employees electing early retirement		15 years
Other Postretirement Benefit Plan [Member] | 401k Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service period for employer contribution		1 year
Annual employer contribution per employee percent		4.00%
Employer matching percent of employee percent		25.00%
Employer matching limit		4.00%
Cost recognized		$ 1,700	2,000	1,800
Enhanced Defined Contribution Plan Cost Recognized		$ 1,600	$ 2,000	$ 2,000