Consolidated Financial Statements Consolidated Financial Statement (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Devaluation of Venezuelan balance sheet	$ 12,101	$ 1,584
Effect of Exchange Rate on Cash and Cash Equivalents	(11,243)	(3,769)
Cost Of Sales Services [Member]
Inventory Write-down	4,073
VENEZUELA
Effect of Exchange Rate on Cash and Cash Equivalents	$ 6,051
SICAD [Member]
Foreign Currency Exchange Rate	50.86
VENEZUELA GOVERNMENT [Member]
Foreign Currency Exchange Rate	6.3