Countries outside the United States | Sales Revenue, Segment [Member]

Countries outside the United States | Accounts Receivable [Member]

European countries other than UK [Member] | Sales Revenue, Segment [Member]

Certain Southern European countries [Member] | Accounts Receivable [Member] | Maximum [Member]

Organization and Summary of Significant Accounting Policies (Details Texual 2)	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012
Countries outside the United States \| Sales Revenue, Segment [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	50.00%	51.00%	50.00%
Countries outside the United States \| Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	52.00%	54.00%
European countries other than UK [Member] \| Sales Revenue, Segment [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	18.00%
Certain Southern European countries [Member] \| Accounts Receivable [Member] \| Maximum [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	5.00%