v2.4.0.8

Supplemental Disclosures of Consolidated Statements of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Non-cash financing and investing activities [Abstract]
Unrealized income (loss) on foreign currency exchange contracts	$ (927)	$ 2,176
Unrealized loss on available-for-sale securities	(254)	(305)
Property and equipment	$ (22)	$ (10)

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