EMPLOYEE BENEFITS (Tables)

12 Months Ended

Dec. 31, 2016

Pension and Other Postretirement Benefit Expense [Abstract]

Schedule Of Net Funded Status And Amounts Recognized In Balance Sheet And Accumulated Other Comprehensive Income Loss [Table Text Block]

A summary of the pension and postretirement benefits plans' funded status and amounts recognized in the Consolidated Balance Sheets is as follows (in thousands):

	Pension Benefits						Postretirement Benefits
	December 31,						December 31,
	2016			2015			2016			2015
Change in benefit obligation :
Benefit obligation at beginning of year	$	234,350		$	235,433		$	1,683		$	1,806
Service cost	2,178			1,953			11			12
Interest cost	6,624			6,676			76			74
Plan participants' contributions	1,516			1,516			292			338
Actuarial loss (gain)	7,117			(610		)	67			(100		)
Foreign currency impact	(4,686		)	(2,197		)	—			—
Benefits and administrative expenses paid	(8,579		)	(8,619		)	(400		)	(447		)
Settlements	(2,694		)	(37		)	—			—
Special termination benefits	—			235			—			—
Benefit obligation at end of year	235,826			234,350			1,729			1,683
Change in plan assets:
Fair value of plan assets at beginning of year	180,007			185,981			—			—
Actual return on plan assets	10,347			(597		)	—			—
Employer contributions	4,214			3,362			108			109
Plan participants' contributions	1,516			1,516			292			338
Foreign currency impact	(4,063		)	(1,599		)	—			—
Benefits and administrative expenses paid	(8,579		)	(8,619		)	(400		)	(447		)
Settlements	(2,694		)	(37		)	—			—
Fair value of plan assets at end of year	180,748			180,007			—			—
Funded status of plans	$	(55,078	)	$	(54,343	)	$	(1,729	)	$	(1,683	)
Amounts recognized in the Consolidated Balance Sheets consist of:
Non-current assets	$	2,387		$	1,638		$	—		$	—
Current liabilities	(260		)	(264		)	(126		)	(112		)
Non-current liabilities	(57,205		)	(55,717		)	(1,603		)	(1,571		)
Net amount recognized	$	(55,078	)	$	(54,343	)	$	(1,729	)	$	(1,683	)
Amounts recognized in Accumulated Other Comprehensive (Loss)   consists of:
Net actuarial (loss) gain	$	(80,837	)	$	(80,641	)	$	581		$	706
Transition asset	—			249			—			—
Prior service credit	1,474			1,804			—			—
Accumulated other comprehensive (loss) income	(79,363		)	(78,588		)	581			706
Accumulated contributions in excess (deficit) of net periodic benefit cost	24,285			24,245			(2,310		)	(2,389		)
Net deficit recognized in Consolidated Balance Sheets	$	(55,078	)	$	(54,343	)	$	(1,729	)	$	(1,683	)

Schedule of Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block]

The following information is presented for pension plans where the projected benefit obligations exceeded the fair value of plan assets (in thousands):

	Pension Benefits
	December 31,
	2016		2015
Projected benefit obligations	$	230,724	$	226,012
Fair value of plan assets	173,259		170,032
Excess of projected benefit obligations over plan assets	$	57,465	$	55,980

Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets [Table Text Block]

The following information is presented for pension plans where the accumulated benefit obligations exceeded the fair value of plan assets (in thousands):

	Pension Benefits
	December 31,
	2016		2015
Accumulated benefit obligations	$	227,145	$	222,173
Fair value of plan assets	172,641		170,032
Excess of accumulated benefit obligations over plan assets	$	54,504	$	52,141

Summary of the components of net periodic pension benefit costs

A summary of the components of net periodic benefit cost for the Company, which includes an executive supplemental pension plan, is presented below (in thousands):

	Pension Benefits									Postretirement Benefits
	Year Ended December 31,									Year Ended December 31,
	2016			2015			2014			2016			2015			2014
Service cost	$	2,178		$	1,953		$	1,421		$	11		$	12		$	11
Interest cost	6,624			6,676			8,426			76			74			87
Expected return on plan assets	(9,025		)	(9,555		)	(9,892		)	—			—			—
Amortization of prior service credit	(311		)	(318		)	(399		)	—			—			—
Amortization of transition asset	(214		)	(258		)	(276		)	—			—			—
Settlement loss	633			16			810			—			—			—
Special termination benefits	—			235			—			—			—			—
Curtailment gain	—			—			(409		)	—			—			—
Amortization of loss (gain)	3,645			3,273			1,719			(58		)	(51		)	(57		)
Net periodic benefit cost (income)	$	3,530		$	2,022		$	1,400		$	29		$	35		$	41

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

A summary of the changes in pension and postretirement benefits recognized in other comprehensive (income) loss is presented below (in thousands):

	Pension Benefits									Postretirement Benefits
	Year Ended December 31,									Year Ended December 31,
	2016			2015			2014			2016		2015			2014
Net loss (gain) arising during year	$	5,794		$	9,543		$	30,044		$	67	$	(100	)	$	10
Amortization of transition asset	253			258			286			—		—			—
Amortization of prior service credit	311			318			808			—		—			—
Other gain	—			—			—			—		—			—
Amortization of (gain) loss	(4,317		)	(3,289		)	(2,539		)	58		51			57
Foreign currency exchange impact	(1,267		)	(835		)	(2,503		)	—		—			—
Total recognized in other comprehensive    (income) loss	774			5,995			26,096			125		(49		)	67
Net recognized in net periodic benefit cost and    other comprehensive (income) loss	$	4,304		$	8,017		$	27,496		$	154	$	(14	)	$	108

Schedule of Assumptions Used [Table Text Block]

Actuarial assumptions used to determine pension obligations and other postretirement benefit obligations include:

	Pension Benefits				Postretirement Benefits
	2016		2015		2016		2015
Assumptions at December 31
For the domestic plans:
Discount rate	4.39	%	4.75	%	4.38	%	4.69	%
For the foreign pension plans:
Weighted average discount rate	0.89	%	1.21	%
Weighted average rate of compensation increase	1.52	%	1.52	%

Actuarial assumptions used to determine pension costs and other postretirement benefit costs include:

	Pension Benefits						Postretirement Benefits
	2016		2015		2014		2016		2015		2014
Assumptions at January 1
For the domestic plans:
Discount rate	4.75	%	4.28	%	5.24	%	4.69	%	4.23	%	5.13	%
Expected return on plan assets	7.50	%	7.50	%	7.50	%	N/A		N/A		N/A
For the foreign plans:
Weighted average discount rate	1.21	%	1.43	%	2.75	%
Weighted average expected return on plan assets	3.91	%	3.95	%	3.91	%
Weighted average rate of compensation increase	1.52	%	1.76	%	1.76	%

Schedule of Expected Benefit Payments [Table Text Block]

The following benefit payments, which reflect expected future service, as appropriate, are expected to be paid (in thousands):

Year	Pension Benefits		Postretirement Benefits
2017	$	10,349	$	126
2018	10,195		127
2019	11,120		130
2020	10,892		128
2021	11,417		128
Thereafter	59,463		529