FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)

12 Months Ended

Dec. 31, 2017

Schedule of carrying amount, fair values and classification of financial instruments measured or disclosed at fair value on a recurring basis

The following table presents the carrying amount, fair values, and classification level within the fair value hierarchy of financial instruments measured or disclosed at fair value on a recurring basis (in thousands):



	December 31, 2017				December 31, 2016				Level of Fair Value Hierarchy
	Carrying Amount		Fair Value		Carrying Amount		Fair Value		Level of Fair Value Hierarchy
Assets:
Cash and cash equivalents	$	44,958	$	44,958	$	28,255	$	28,255	Level 1
Restricted cash	2,717		2,717		2,923		2,923		Level 1
Foreign currency forward contracts	583		583		308		308		Level 2
Liabilities:
Variable interest rate debt	—		—		5,986		5,986		Level 2
Foreign currency forward contracts	1,048		1,048		566		566		Level 2

Schedule of fair value on the Consolidated Balance Sheets of the foreign currency forward contracts

The following table presents the fair value on the Consolidated Balance Sheets of the foreign currency forward contracts (in thousands):



	December 31, 2017			December 31, 2016
Foreign currency forwards designated as hedges:
Other current assets	$	413		$	153
Accrued expenses	(686		)	(264		)
Foreign currency forwards not designated as hedges:
Other current assets	170			155
Accrued expenses	(362		)	(302		)
Foreign currency forwards, net	$	(465	)	$	(258	)

Schedule of Allocation of Plan Assets [Table Text Block]

The fair values and classification of the defined benefit plan assets is as follows (in thousands):



	December 31, 2017
	Total		Level 1		Level 2		Level 3
Growth funds⁽¹⁾	$	54,627	$	54,627	$	—	$	—
Income funds⁽²⁾	28,429		28,429		—		—
Growth and income funds⁽³⁾	97,114		—		97,114		—
Hedge funds⁽⁴⁾	14,105		—		—		14,105
Real estate funds	3,608		769		2,839		—
Other assets	2,355		706		1,618		31
Cash and cash equivalents	2,110		2,110		—		—
Total	$	202,348	$	86,641	$	101,571	$	14,136



	December 31, 2016
	Total		Level 1		Level 2		Level 3
Growth funds⁽¹⁾	$	39,247	$	39,247	$	—	$	—
Income funds⁽²⁾	25,276		25,276		—		—
Growth and income funds⁽³⁾	84,176		—		84,176		—
Hedge funds⁽⁴⁾	22,860		—		—		22,860
Real estate funds	3,327		761		2,566		—
Other assets	2,128		618		1,510		—
Cash and cash equivalents	3,735		3,735		—		—
Total	$	180,749	$	69,637	$	88,252	$	22,860

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⁽¹⁾ Growth funds represent a type of fund containing a diversified portfolio of domestic and international equities with a goal of capital appreciation.

⁽²⁾ Income funds represent a type of fund with an emphasis on current income as opposed to capital appreciation. Such funds may contain a variety of domestic and international government and corporate debt obligations, preferred stock, money market instruments, and dividend-paying stocks.

⁽³⁾ Growth and income funds represent a type of fund containing a combination of growth and income securities.

⁽⁴⁾ Hedge funds represent a managed portfolio of investments that use advanced investment strategies such as leveraged, long, short, and derivative positions in both domestic and international markets with the goal of generating high returns. These funds are subject to quarterly redemptions and advanced notification requirements, as well as the right to delay redemption until sufficient fund liquidity exists.

Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block]

A summary of the changes in the fair value of the defined benefit plans assets classified within Level 3 of the valuation hierarchy is as follows (in thousands):



	Year Ended December 31,
	2017			2016
Balance at beginning of year	$	22,860		$	27,071
Purchases	—			1,000
Sales and settlements	(9,829		)	(5,335		)
Unrealized (losses) gains	1,070			124
Exchange Rate Impact	3			—
Transfers in/(out) and Other	32			—
Balance at end of year	$	14,136		$	22,860