Business Acquisitions, Goodwill and Acquired Intangible Assets (Remaining Useful Life) (Details)	12 Months Ended
	Jan. 03, 2016
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average remaining useful life in years	5 years 1 month 6 days
Proprietary technology
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average remaining useful life in years	4 years 10 months 25 days
Customer list/relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average remaining useful life in years	5 years 4 months 25 days
Patents
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average remaining useful life in years	5 years 3 months 20 days
Trademarks
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average remaining useful life in years	8 years