Other Income (Expense), Net (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Other Income and Expenses [Abstract]
Net gain (loss) on foreign currency exchange contracts	$ 888	[1]	$ 35	[1]	$ (271)	[1]
Net gain (loss) on foreign currency exchange transactions	(4,155)		(1,721)		(1,141)
Other income	98		273		337
Other income (expense), net	$ (3,169)		$ (1,413)		$ (1,075)

[1] This represents the gains and (losses) incurred on foreign currency hedging derivatives (see Note 19 for further details).