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Other Employee Benefit Plans (Tables)
 12 Months Ended
Dec. 31, 2017
Retirement Benefits [Abstract]  
Amounts recognized in other comprehensive earnings
Amounts recognized in other comprehensive income (loss) during the years ended December 31, 2017, 2016 and 2015, net of tax, are as follows (in thousands):
 
Year Ended December 31,
 
2017
 
2016
 
2015
Net earnings (loss)
$
1,286

 
$
78

 
$
500

Prior service cost
(15
)
 
24

 
161

 
$
1,271

 
$
102

 
$
661
Components of accumulated other comprehensive earnings (loss) related to the Company’s pension plans
The following table sets forth the changes in the balances of each component of accumulated other comprehensive earnings (loss) for the year ended December 31, 2017:


Pension Plans
Items

Interest Rate Swap Contracts

Available-For-Sale Items
 
Foreign
Currency
Items

Total
Balance, December 31, 2016

$
(1,615
)
 
$
307

 
$
—

 
$
(164,643
)
 
$
(165,951
)
Other comprehensive income (loss) before reclassifications, net of tax

1,286

 
187

 
(4
)
 
51,631

 
53,100

Amounts reclassified from accumulated other comprehensive earnings (loss), net of tax

(15
)
 
(494
)
 
—

 
—

 
(509
)
Net current period other comprehensive income (loss), net of tax

1,271

 
(307
)
 
(4
)
 
51,631

 
52,591

Balance, December 31, 2017

$
(344
)
 
$
—

 
$
(4
)
 
$
(113,012
)
 
$
(113,360
)
Components of accumulated other comprehensive loss related to the Company’s pension plans as of December 31, 2017 and 2016 are as follows (in thousands):
 
December 31,
 
2017
 
2016
Net loss
$
(344
)
 
$
(1,630
)
Prior service cost
—

 
15

 
$
(344
)
 
$
(1,615
)
Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets
A summary of the components of the net periodic pension expense for the benefit obligation and fund assets of the plans is as follows (in thousands):
 
Year Ended December 31,
 
2017
 
2016
Change in benefit obligation:
 
 
 
Benefit obligation at January 1
$
11,419

 
$
11,426

Interest costs
386

 
397

Actuarial (gain) loss
(1,720
)
 
177

Benefits paid
(310
)
 
(312
)
Foreign currency changes
374

 
(269
)
Benefit obligation at December 31
$
10,149

 
$
11,419

Fair value of plan assets at December 31
$
—

 
$
—

Unfunded status at December 31
$
10,149

 
$
11,419

Amounts recognized in the Consolidated Balance Sheets:
 
 
 
Current liabilities
$
6,262

 
$
292

Non-current liabilities
$
3,887

 
$
11,127
Weighted average assumptions used
The weighted average assumptions used are as follows:
 
Year Ended December 31,
 
2017
 
2016
Net periodic benefit cost:
 
 
 
SERP:
 
 
 
Discount rate
4.00
%
 
4.00
%
Rate of increase in compensation levels
3.00
%
 
3.00
%
Defined benefit pension plan for employees outside the United States:
 
 
 
Discount rate
2.00
%
 
2.00
%
Funded status and projected benefit obligation:
 
 
 
SERP:
 
 
 
Discount rate
2.75
%
 
4.00
%
Rate of increase in compensation levels
—
%
 
3.00
%
Defined benefit pension plan for employees outside the United States:
 
 
 
Discount rate
1.75
%
 
2.00
%
Benefits expected to be paid under the plans
Benefits expected to be paid under the plans are approximately (in thousands):
2018
$
6,262

2019
312

2020
306

2021
296

2022
280

Five years thereafter
1,316

 
$
8,772
Components of net periodic benefit cost
Components of net periodic benefit cost are as follows (in thousands):
 
Year Ended December 31,
 
2017
 
2016
 
2015
Service costs
$
—

 
$
—

 
$
156

Interest costs
386

 
397

 
353

Net amortization and deferral
235

 
260

 
513

Net periodic pension costs
$
621

 
$
657

 
$
1,022
Components of net periodic benefit cost expected to be recognized from amounts in accumulated other comprehensive earnings (loss)
Components of net periodic benefit cost expected to be recognized from amounts in accumulated other comprehensive earnings (loss) during the year ending December 31, 2018 are as follows (in thousands):
 
Year Ending December 31, 2018
Net loss
$
52