v2.4.0.8

Supplemental Disclosures of Consolidated Statements of Cash Flows (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Non-cash financing and investing activities [Abstract]
Unrealized gain (loss) on foreign currency exchange contracts	$ (1,248)	$ 1,139
Unrealized loss on available-for-sale securities	(286)	(42)
Property and equipment	$ (10)	$ 692

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