Employee Benefit Plans - Schedule of Changes to Post-Employment Benefits (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Ending balance	$ 6,920	$ 6,930
Employee Severance [Member]
Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items]
Beginning balance	6,930	7,705
Amounts accrued	1,019	574
Payments to employees/government managed plan	(1,331)	(1,477)
Foreign currency impacts	302	128
Ending balance	$ 6,920	$ 6,930