Contingencies (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2008 complaints	Feb. 11, 2011	Feb. 08, 2011
Commitments and Contingencies Disclosure [Abstract]
Loss Contingency, New Claims Filed, Number		3
Agreed Consideration for Litigation Settlement			$ 38.0
Consideration for Litigation Settlement Paid by Company's Insurers			22.2
Attorneys Fee Paid to Plaintiff Counsel by Third Party				1.8
Purchase Obligation	$ 43.6
Warranty on sale of hardware products to customers	generally for a 90-day period
General period of warranty on sales of hardware products	90 days