Segment and Geographic Information (Revenue by Primary Distributor) (Details)	12 Months Ended
Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Revenue, Major Customer [Line Items]
Revenue from all sell-through distributors	45.00%	55.00%	61.00%
Nu Horizons Electronics Corp. (including Arrow Electronics)
Revenue, Major Customer [Line Items]
Revenue from all sell-through distributors	25.00%	33.00%	22.00%
Weikeng Group
Revenue, Major Customer [Line Items]
Revenue from all sell-through distributors	12.00%	14.00%	14.00%
All Others
Revenue, Major Customer [Line Items]
Revenue from all sell-through distributors	8.00%	8.00%	25.00%

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration