Consolidated Statement of Comprehensive Income Statement (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Mar. 30, 2013
Statement of Comprehensive Income [Abstract]
Net Income	$ 11,984	$ 1,890
Unrealized gain (loss) related to marketable securities, net	(51)	(148)
Less: reclassification adjustment for losses (gains) included in other income, net	(9)	73
Translation adjustment	(176)	(165)
Comprehensive Income (loss)	$ 11,748	$ 1,650