Pension and Other Postretirement Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2013

Pension and Other Postretirement Benefit Plans [Abstract]

Schedule of Amounts Recognized in Balance Sheet [Table Text Block]

Amounts recognized for the Dutch Plan in the Consolidated Balance Sheets for the years ended December 31, 2013 and 2012 consist of (in thousands):

	2013			2012
Deferred tax asset	$	2,488		$	268
Other long-term liabilities	9,952			8,783
Accumulated other comprehensive loss	(8,626		)	(8,413		)

Fair Value, by Balance Sheet Grouping [Table Text Block]

The following table summarizes the fair value balances (in thousands):

	Fair Value Measurement at December 31, 2013
	Total		Level 1		Level 2		Level 3
Assets:
Deferred compensation trust assets (1)	$	20,104	—		$	20,104	—
Liabilities:
Deferred compensation plan	$	25,470	$	1,182	$	24,288	—

	Fair Value Measurement at December 31, 2012
	Total		Level 1		Level 2		Level 3
Assets:
Deferred compensation trust assets (1)	$	12,654	$	—	$	12,654	$	—
Liabilities:
Deferred compensation plan	$	18,579	$	2,667	$	15,912	$	—
(1) Trust assets consist of the cash surrender value of life insurance policies and are intended to fund the deferred compensation agreements.

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

Amounts recognized, net of tax, in Accumulated other comprehensive loss for the years ended December 31, 2013 and 2012 consist of (in thousands):

	2013			2012
Prior service cost	$	(55	)	$	(616	)
Transition asset	131			195
Unrecognized net actuarial loss and foreign exchange	(8,702		)	(7,992		)
Total Accumulated other comprehensive loss	$	(8,626	)	$	(8,413	)

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

The following table summarizes the change in the projected benefit obligation and the fair value of plan assets for the years ended December 31, 2013 and 2012 (in thousands):

	2013			2012
Projected Benefit Obligation:
Projected benefit obligation at beginning of year	$	46,876		$	34,304
Service cost	1,582			1,127
Interest cost	1,676			1,684
Prior service cost (credit) arising during year	(583		)	—
Benefits paid	(1,078		)	(910		)
Administrative expenses	(199		)	(181		)
Actuarial (gain) loss, net	(843		)	10,009
Unrealized loss on foreign exchange	2,025			843
Projected benefit obligation at end of year	$	49,456		$	46,876
Fair Value of Plan Assets:
Fair value of plan assets at beginning of year	$	38,093		$	34,590
Increase (decrease) in plan asset value	(961		)	2,267
Employer contributions	2,028			1,619
Benefits paid	(1,078		)	(910		)
Administrative expenses	(199		)	(181		)
Unrealized gain (loss) on foreign exchange	1,621			708
Fair value of plan assets at end of year	$	39,504		$	38,093
Under-funded status of the plan at end of the year	$	(9,952	)	$	(8,783	)
Accumulated Benefit Obligation	$	42,871		$	39,276

Schedule of Net Benefit Costs [Table Text Block]

The components of net periodic pension cost under this plan for the years ended December 31, 2013, 2012, and 2011 included (in thousands):

	2013			2012			2011
Service cost	$	1,582		$	1,127		$	1,352
Interest cost	1,676			1,684			1,743
Expected return on plan assets	(1,291		)	(1,214		)	(752		)
Unrecognized pension asset, net	(87		)	(87		)	(87		)
Prior service cost	159			159			159
Unrecognized net actuarial loss	468			—			326
Net periodic pension cost	$	2,507		$	1,669		$	2,741

Schedule of Assumptions Used [Table Text Block]

The following actuarial assumptions were used to determine the actuarial present value of our projected benefit obligation at December 31, 2013 and 2012:

	2013	2012
Weighted average assumed discount rate	3.70%	3.60%
Weighted average rate of compensation increase	3.00%	3.00%

This net periodic pension cost was calculated using the following assumptions:

	2013	2012
Weighted average assumed discount rate	3.60%	5.00%
Expected long-term rate of return on plan assets	3.30%	3.40%
Weighted average rate of compensation increase	3.00%	3.00%

Schedule of Expected Benefit Payments [Table Text Block]

Expected benefit payments to eligible participants under this plan for the next five years are as follows (in thousands):

2014	$	1,189
2015	$	1,215
2016	$	1,318
2017	$	1,502
2018	$	1,549
Succeeding five years	$	9,333