Business Acquisitions, Goodwill and Acquired Intangible Assets (Details 6)	12 Months Ended
	Dec. 30, 2012	Jan. 01, 2012
Acquired Finite-Lived Intangible Assets [Line Items]
Intangibles subject to amortization, weighted average remaining useful life	6 years 6 months
Proprietary Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangibles subject to amortization, weighted average remaining useful life	6 years 4 months 24 days
Customer List/Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangibles subject to amortization, weighted average remaining useful life	6 years 6 months
Patents [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangibles subject to amortization, weighted average remaining useful life	6 years 10 months 24 days
Backlog [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangibles subject to amortization, weighted average remaining useful life	1 year
Trademarks [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Intangibles subject to amortization, weighted average remaining useful life	9 years 10 months 24 days	0 years