Intangible Assets (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Jan. 02, 2016	Jan. 02, 2016
Finite-Lived Intangible Assets [Line Items]
Impairment	$ 9,000	$ 8,995
SiliconBlue Technologies Ltd. and Silicon Image, Inc \| Developed technology
Finite-Lived Intangible Assets [Line Items]
Impairment		3,856
SiliconBlue Technologies Ltd. and Silicon Image, Inc \| Customer relationships
Finite-Lived Intangible Assets [Line Items]
Impairment		$ 5,139

Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275

Name:	us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration