Accrued Severance Benefits (Tables)

12 Months Ended

Dec. 31, 2014

Postemployment Benefits [Abstract]

Changes in Accrued Severance Benefits

Changes in accrued severance benefits are as follows:

	Year Ended December 31,
	2014			2013
Beginning balance	$	135,356		$	116,036
Provisions		17,703			23,169
Severance payments		(6,650	)		(6,130	)
Translation adjustments		(6,003	)		2,281
		140,405			135,356
Less: cumulative contributions to the National Pension Fund		(346	)		(383	)
Group severance insurance plan		(770	)		(801	)
	$	139,289		$	134,172

Future Benefits Payments to Employees

The Company is liable to pay the following future benefits to its employees upon their normal retirement age:

	Severance Benefit
2015	$	294
2016		1,154
2017		1,714
2018		2,937
2019		2,263
2020 – 2024		23,798