EMPLOYEE BENEFITS (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2014 Rate	Dec. 31, 2013 Rate	Dec. 31, 2012
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
Foreign Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic cost (benefit)	$ 700,000	$ 1,400,000	$ 1,900,000
Assets for plan benefits	102,600,000	105,800,000
Benefit obligation	114,100,000	106,700,000
Settlements	800,000	0
Curtailment gain	400,000
Amortization of prior service credit			3,200,000
Number of foreign plans in which a significant lump sum payment was made			2
Discount rate	1.43%	2.75%
Employer contributions in next fiscal year	2,400,000
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)	1,400,000	2,104,000	2,004,000
Accumulated benefit obligation	231,400,000	212,200,000
Benefit obligation	235,433,000	216,306,000	223,780,000
Settlements	3,284,000	628,000
Amortization of prior service credit	(399,000)	(393,000)	(54,000)
Discount rate	4.23%	5.13%
Increase / Decrease in benefit obligation due to change in discount rate	(200,000)
Future amortization of gain (loss)	(3,200,000)
Future amortization of transition assets	200,000
Future amortization of prior service cost (credit)	300,000
Employer contributions	2,644,000	2,732,000
Other Postretirement Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Net periodic cost (benefit)	41,000	(149,000)	(231,000)
Benefit obligation	1,806,000	1,769,000	2,312,000
Settlements	0	0
Amortization of prior service credit	0	(254,000)	(353,000)
Discount rate	4.23%	5.13%
Future amortization of gain (loss)	100,000
Employer contributions	71,000	229,000
Domestic Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate	4.28%	5.24%
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 0 months 0 days
Eligible age for electing early retirement	55 years 0 months 0 days
Eligible service period for employees electing early retirement	15 years 0 months 0 days
Other Postretirement Benefit Plan [Member] | 401k Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service period for employer contribution	1 year 0 months 0 days
Annual employer contribution per employee percent	4.00%
Employer matching percent of employee percent	25.00%
Employer matching limit	4.00%
Cost recognized	1,800,000	1,600,000	1,400,000
Enhanced Defined Contribution Plan Cost Recognized	$ 2,000,000	$ 1,800,000	$ 1,600,000