Pensions, Other Post Retirement and Post Employment Benefits (Tables)

12 Months Ended

Dec. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Schedule of the Funded Status and the Changes in Benefit Obligation and Plan Assets

A summary of the changes in benefit obligations and plan assets as of December 31, 2014 and 2013 is presented below.

	Defined Benefit Plans
	2014			2013
Change in benefit obligation
Benefit obligation at beginning of year	$	161,101		$	168,736
Service cost	3,532			3,633
Interest cost	6,483			6,221
Plan participants’ contributions	101			108
Actuarial loss (gain)	27,965			(9,534		)
Currency translation impact	(10,583		)	272
Administrative expenses paid	(511		)	(665		)
Settlement/curtailment	(694		)	(716		)
Benefits paid	(9,229		)	(6,954		)
Benefit obligation at end of year	178,165			161,101
Change in plan assets
Fair value of plan assets at beginning of year	93,550			84,212
Actual return on plan assets	10,493			10,288
Employer contributions	8,168			8,076
Plan participants’ contributions	101			108
Settlement/curtailment	(694		)	(716		)
Administrative expenses paid	(511		)	(665		)
Currency translation impact	(4,398		)	(799		)
Benefits paid	(9,229		)	(6,954		)
Fair value of plan assets at end of year	97,480			93,550
Funded status (1)	$	(80,685	)	$	(67,551	)

(1) In accordance with Topic 715, $3,568 and $3,803 of this amount is recorded in accrued expenses as of December 31, 2014 and 2013, respectively.

Schedule of Benefit Obligations in Excess of Fair Value of Plan Assets

Information for pension plans with an accumulated benefit obligation in excess of plan assets is as follows:

	December 31,
	2014		2013
Projected benefit obligation	$	178,165	$	135,102
Accumulated benefit obligation	$	167,679	$	130,110
Fair value of plan assets	$	97,479	$	69,322

Components of Net Periodic Benefit Cost

Components of Net Periodic Benefit Cost

	Defined Benefit Plan
	2014			2013			2012
Service cost	$	3,532		$	3,633		$	3,867
Interest cost	6,483			6,221			6,708
Expected return on plan assets	(6,156		)	(5,555		)	(4,986		)
Amortization of prior service cost	—			11			13
Amortization of net loss	1,124			2,323			2,230
Net periodic benefit cost	$	4,983		$	6,633		$	7,832

Schedule of Amounts Recognized in Other Comprehensive Income (Loss)

Additional Information	Defined Benefit Plans
	2014		2013
Change in funded status included in accumulated other comprehensive loss, net of tax	$	17,135	$	14,821

Schedule of Assumptions Used

Weighted-average assumptions used to determine benefit obligations at December 31 are as follows:

	Defined Benefit Plans
	2014		2013
Discount rate	3.40	%	4.25	%
Rate of compensation increase	3.64	%	3.75	%

Weighted-average assumptions used to determine net periodic benefit cost for years ended December 31 are as follows:

	Defined Benefit Plans
	2014		2013
Discount rate	4.25	%	3.85	%
Expected long-term return on plan assets	6.63	%	6.71	%
Rate of compensation increase	3.75	%	3.56	%

Schedule of Allocation of Plan Assets

The percentage of fair value of total plan assets for funded plans are invested as follows:

	Plan Assets at December 31,
Asset Category	2014		2013
Marketable equities	56	%	60	%
Fixed income securities	44	%	40	%
Total	100	%	100	%

Schedule of Expected Benefit Payments

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

	Defined Benefit Plans
2015	$	7,049
2016	6,667
2017	6,892
2018	6,895
2019	7,172
Years 2020 and thereafter	41,289

Approximate Matching Contribution Expense

The following represents the approximate matching contribution expense for the years ended December 31, 2014, 2013 and 2012:

	Year ended December 31,
	2014		2013		2012
Matching contribution expense	$	1,209	$	1,604	$	1,684