Countries outside the United States | Sales Revenue, Goods and Services, Net [Member]

Countries outside the United States | Accounts Receivable [Member]

Other European countries | Sales Revenue, Goods and Services, Net [Member]

Other European countries | Accounts Receivable [Member]

Organization and Summary of Significant Accounting Policies (Details 2) (Geographic Concentration Risk [Member])	Jan. 01, 2012	Jan. 02, 2011	Jan. 03, 2010
Countries outside the United States \| Sales Revenue, Goods and Services, Net [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	50.00%	45.00%	48.00%
Countries outside the United States \| Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	52.00%	59.00%
Other European countries \| Sales Revenue, Goods and Services, Net [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	20.00%
Other European countries \| Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration risk, percentage	3.00%