Income Taxes (Discussion of Unrecognized Tax Benefits) (Details) (USD $)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Income Tax Contingency [Line Items]
Unrecognized tax benefits associated with uncertain tax positions	$ 22,643,000	$ 21,680,000	$ 21,552,000
Unrecognized tax benefits associated with uncertain tax positions that, if recognized, would affect the effective tax rate	21,400,000
Interest and penalties associated with unrecognized tax benefits	100,000
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning balance	21,680,000	21,552,000	7,741,000
Additions based on tax positions related to the current year	1,600,000	384,000	15,005,000
Additions based on tax positions of prior years	68,000	192,000	0
Additions for acquisition of SiliconBlue			298,000
Reduction for tax positions of prior years	0	(26,000)	(106,000)
Settlements	(338,000)	(30,000)	(1,248,000)
Reduction as a result of lapse of applicable statute of limitations	(367,000)	(392,000)	(138,000)
Ending balance	22,643,000	21,680,000	21,552,000
Expiration of statutes of limitations | Foreign tax filings
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Amount of unrecognized tax benefits that could significantly change during the next twelve months	100,000
Expiration of statutes of limitations | Foreign tax filings | Maximum
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Amount of associated interest and penalties that could significantly change within the next twelve months	$ 100,000