Organization and Summary of Significant Accounting Policies (Details Textuals) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Organization and Presentation
Exchange rate used to translate Japanese yen to U.S. dollar	120.44	104.94	85.99
Foreign Currency Transaction Gain (Loss), before Tax	$ 3.1	$ (3.3)	$ (2.8)
Advertising Expense	$ 27.9us-gaap_AdvertisingExpense	$ 19.6us-gaap_AdvertisingExpense	$ 16.2us-gaap_AdvertisingExpense

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Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

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-Publisher FASB

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- Definition

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

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-Publisher FASB

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Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.

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