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Description Of the Company And Summary Of Significant Accounting Policies (Narrative) (Details) (USD $) | 12 Months Ended
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Dec. 30, 2012 | Jan. 01, 2012 | Jan. 02, 2011
Description Of The Company And Summary Of Significant Accounting Policies (Narrative) [Abstract] |  |  |
Foreign Currency Transaction Loss | $ 400,000 | $ 400,000 | $ 200,000
Inventory Write-down | 0 | 0 | 0
Impairment of Long-Lived Assets Held-for-use | 0 | 0 | 0
Finite-Lived Intangible Assets, Gross | 500,000 |  |
Finite-Lived Intangible Assets, Accumulated Amortization | 400,000 | 300,000 |
Amortization of Intangible Assets | 58,000 | 54,000 | 51,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months | 55,000 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Two | 37,000 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Three | 22,000 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Four | 19,000 |  |
Finite-Lived Intangible Assets, Amortization Expense, Year Five | 14,000 |  |
Acquired Indefinite-lived Intangible Asset, Amount | 33,000 |  |
Payments to Acquire Short-term Investments | 2,000,000 | 0 | 0
Payments to Acquire Notes Receivable | 2,000,000 | 0 | 0
Revenue Recognition, Sales Returns, Reserve for Sales Returns | 1,400,000 | 1,100,000 |
Guarantees, Fair Value Disclosure | 0 | 0 |
Shipping, Handling and Transportation Costs | 4,500,000 | 4,200,000 | 3,200,000
Fulfillment Costs | 3,700,000 | 3,500,000 | 3,300,000
Reserve for fraud losses | 100,000 | 100,000 | 100,000
Marketing Expense | $ 21,000,000 | $ 16,900,000 | $ 14,500,000

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