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EMPLOYEE BENEFIT PLANS (Tables)

12 Months Ended

Dec. 31, 2017

Dec. 31, 2016

Retirement Benefits [Abstract]

Schedule of Changes in Accumulated Postemployment Benefit Obligations [Table Text Block]

The following table provides the change in benefit obligation, change in plan assets, funded status, and amounts recognized in the Consolidated Balance Sheet of the defined benefit pension plans as of December 31, 2017 and 2016 (amounts in thousands):

Change in benefit obligation:	2017				2016
Benefit obligation at beginning of year	$	113,119			$	115,598
Service cost	598				341
Interest cost	4,672				4,896
Actuarial (gain) loss	8,383				1,073
Benefits paid	(8,866		)		(8,572		)
Foreign currency translation	1,830				(217		)
Benefit obligation at end of year	$	119,736			$	113,119
Change in plan assets:
Fair value of plan assets at beginning of year	$	77,314			$	78,392
Actual return on plan assets	12,436				4,419
Employer contributions	914				2,399
Benefits paid	(7,809		)		(7,919		)
Foreign currency translation	181				23
Fair value of plan assets at end of year	$	83,036			$	77,314
Unfunded status at end of year	$	(36,700	)		$	(35,805	)
Amounts recognized in Consolidated Balance Sheet:
Noncurrent assets	$	948			$	901
Current liabilities	(2,040		)		(1,787		)
Noncurrent liabilities	(35,608		)		(34,919		)
Net amount recognized in the Consolidated Balance Sheet	$	(36,700	)		$	(35,805	)

Schedule of Amounts in Accumulated Other Comprehensive Income (Loss) to be Recognized over Next Fiscal Year [Table Text Block]

Amounts recognized in accumulated other comprehensive loss:
	2017				2016
Unrecognized prior service cost	$	(208	)		$	(344	)
Unrecognized net loss	(39,775		)		(41,011		)
Deferred tax effect of unrecognized items	15,856				15,705
Net amount recognized in accumulated other comprehensive loss	$	(24,127	)		$	(25,650	)

Schedule of Assumptions Used [Table Text Block]

The weighted-average assumptions used in the actuarial computation that derived net periodic pension cost for the years ended December 31, 2017, 2016, and 2015 were as follows:

	2017			2016			2015
Discount rate	5.8	%		5.8	%		5.8	%
Expected long-term return on plan assets	7.4	%		7.4	%		7.4	%

The weighted-average assumptions used in the actuarial computation that derived the benefit obligations at December 31 were as follows:	2017			2016
Discount rate	3.8	%		4.4	%
Expected long-term return on plan assets	7.4	%		7.4	%

Schedule of Net Benefit Costs [Table Text Block]

The following table provides the components of net periodic pension cost for the plans, settlement cost, and the assumptions used in the measurement of the Company’s benefit obligation for the years ended December 31, 2017, 2016, and 2015 (amounts in thousands):

Components of net periodic benefit cost and other amounts recognized in other comprehensive income (loss)
Net periodic benefit cost:	2017				2016				2015
Service cost	$	598			$	341			$	404
Interest cost	4,672				4,896				4,837
Assumed return on assets	(5,472		)		(5,600		)		(6,051		)
Amortization of unrecognized prior service cost	137				137				137
Amortization of net unrecognized loss	2,696				3,118				2,917
Net periodic pension cost	$	2,631			$	2,892			$	2,244

Schedule of Allocation of Plan Assets [Table Text Block]

The fair value of the plan assets by asset categories consisted of the following as of the dates set forth below (amounts in thousands):

	Fair Value Measurements as of December 31, 2017
	Total				Level 1				Level 2				Level 3
Money market funds	$	5,101			$	5,101			$	—			$	—
Common stock	35,300				35,300				—				—
Bonds and securities	5,370				5,370				—				—
Mutual and insurance funds	2,074				868				1,206				—
Totals	$	47,845			$	46,639			$	1,206			$	—
Assets measured at net asset value (a)	35,191
	$	83,036

The allocation of the fair value of plan assets was as follows:

	Percentage of Plan Assets at December 31,						Target Allocation
Asset Category	2017			2016			2017
U.S. equities (a)	61	%		56	%		40% - 80%
Fixed income	25	%		30	%		20% - 50%
Cash and cash equivalents	6	%		7	%		0% - 20%
International equities (a)	8	%		7	%		0% - 16%
	100	%		100	%

(a)

Total equities may not exceed 80% of total plan assets.

	Fair Value Measurements as of December 31, 2016
	Total				Level 1				Level 2				Level 3
Money market funds	$	5,114			$	5,114			$	—			$	—
Common stock	31,869				31,869				—				—
Bonds and securities	6,258				4,942				1,316				—
Mutual and insurance funds	2,485				829				1,656				—
Totals	$	45,726			$	42,754			$	2,972			$	—
Assets measured at net asset value (a)	31,588
	$	77,314

Schedule of Expected Benefit Payments [Table Text Block]

Projected benefit payments from the plans as of December 31, 2017, are estimated as follows (amounts in thousands):

2018	$	9,398
2019	8,499
2020	8,607
2021	8,509
2022	8,522
2023-2027	39,645

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Tabular disclosure of the change in the accumulated postemployment benefit obligation from the beginning to the end of the period, showing separately, if applicable, the effects of the following: service cost, interest cost, contributions by plan participants, actuarial gains and losses, foreign currency exchange rate changes, benefits paid, plan amendments, business combinations, divestitures, curtailments, settlements, and special and contractual termination benefits.

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Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter.

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