EMPLOYEE BENEFITS (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
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
Employer contributions in next fiscal year	$ 1,600
Foreign Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic cost (benefit)	600	$ 700	$ 1,400
Assets for plan benefits	104,100	102,600
Benefit obligation	$ 120,300	114,100
Settlements		$ 800
Discount rate	1.21%	1.43%
Employer contributions in next fiscal year	$ 2,500
Foreign Pension Plan [Member] | Equity Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Planned asset allocations	37.00%
Foreign Pension Plan [Member] | Debt Securities [Member]
Defined Benefit Plan Disclosure [Line Items]
Planned asset allocations	45.00%
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)	$ 2,022	$ 1,400	2,104
Accumulated benefit obligation	230,200	231,400
Benefit obligation	234,350	235,433	216,306
Acquisitions	235	0
Settlements	37	3,284
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments	0	409	0
Amortization of prior service credit	$ (318)	$ (399)	(393)
Discount rate	4.69%	4.23%
Increase / Decrease in benefit obligation due to change in discount rate	$ (100)
Future amortization of gain (loss)	3,800
Future amortization of transition assets	200
Future amortization of prior service cost (credit)	300
Employer contributions	3,362	$ 2,644
Other Postretirement Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic cost (benefit)	35	41	(149)
Benefit obligation	1,683	1,806	1,769
Acquisitions	0	0
Settlements	0	0
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments	0	0	0
Amortization of prior service credit	$ 0	$ 0	(254)
Discount rate	4.69%	4.23%
Future amortization of gain (loss)	$ 100
Employer contributions	$ 109	$ 71
Domestic Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.75%	4.28%
Employer contributions	$ 700	$ 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	$ 2,000	1,800	1,600
Enhanced Defined Contribution Plan Cost Recognized	$ 2,000	$ 2,000	$ 1,800