Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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-Name Regulation S-X (SX)

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Deferred Income And Allowances On Sales To Sell-Through Distributors, Allowance For Distributor Advances

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Deferred Income And Allowances On Sales To Sell-Through Distributors, Deferred Cost Of Sales On Inventory Held By Sell-Through Distributors

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Deferred Income And Allowances On Sales To Sell-Through Distributors, Inventory Valued At Published List Price And Held By Sell-Through Distributors With Right Of Return

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Fiscal Year Duration

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Term of Maturities of Investments Considered Cash and Cash Equivalents

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A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 4

-Article 5

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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-Topic 825

-SubTopic 10

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Total carrying amount of consideration received or receivable as of the balance sheet date on potential earnings that were not recognized as revenue or other forms of income in conformity with GAAP, and which are expected to be recognized as such within one year or the normal operating cycle, if longer.

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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-Subparagraph (SX 210.5-02.20)

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-Name Staff Accounting Bulletin (SAB)

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Amount of gain (loss) recognized in earnings in the period from the increase (decrease) in fair value of foreign currency derivatives not designated as hedging instruments.

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-Publisher FASB

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-SubTopic 10

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Basis of Presentation and Significant Accounting Policies (Details)	3 Months Ended	6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended				6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 28, 2014 USD ($)	Jun. 28, 2014 USD ($)	Dec. 28, 2013 USD ($)	Jun. 28, 2014 Revenue Customer Concentration Risk	Jun. 29, 2013 Revenue Customer Concentration Risk	Jun. 28, 2014 Revenue Customer Concentration Risk	Jun. 29, 2013 Revenue Customer Concentration Risk	Jun. 28, 2014 Sales Revenue Sell-Through Distributors	Jun. 29, 2013 Sales Revenue Sell-Through Distributors	Jun. 28, 2014 Sales Revenue Sell-Through Distributors	Jun. 29, 2013 Sales Revenue Sell-Through Distributors	Jun. 28, 2014 Not designated as effective hedges for accounting purposes Foreign exchange contracts JPY (¥)	Dec. 28, 2013 Not designated as effective hedges for accounting purposes Foreign exchange contracts JPY (¥)	Jun. 28, 2014 Minimum	Jun. 28, 2014 Maximum	Jun. 28, 2014 Customer A Revenue Customer Concentration Risk	Jun. 29, 2013 Customer A Revenue Customer Concentration Risk	Jun. 28, 2014 Customer A Revenue Customer Concentration Risk	Jun. 29, 2013 Customer A Revenue Customer Concentration Risk	Jun. 28, 2014 Customer B Revenue Customer Concentration Risk	Jun. 29, 2013 Customer B Revenue Customer Concentration Risk	Jun. 28, 2014 Customer B Revenue Customer Concentration Risk	Jun. 29, 2013 Customer B Revenue Customer Concentration Risk
Basis of Presentation and Significant Accounting Policies [Line Items]
Fiscal year duration (52 weeks or 53 weeks)														364 days	371 days
Term of maturities of investments considered cash and cash equivalents															3 months
General Discussion of Derivative Instruments and Hedging Activities [Abstract]
Open foreign exchange contracts - notional amounts												¥ 405,000,000	¥ 240,000,000
Gain on foreign exchange contracts adjusted to fair value through earnings - less than	100,000	100,000
Risks and Uncertainties [Abstract]
Allowance for doubtful accounts	900,000	900,000	900,000
Concentration Risk				47.00%	46.00%	49.00%	43.00%	42.00%	44.00%	40.00%	46.00%					20.00%	24.00%	21.00%	21.00%	14.00%	9.00%	14.00%	8.00%
Deferred Revenue and Credits [Abstract]
Inventory valued at published list price and held by sell-through distributors with right of return	62,070,000	62,070,000	36,056,000
Allowance for distributor advances	(31,220,000)	(31,220,000)	(24,090,000)
Deferred cost of sales related to inventory held by sell-through distributors	(7,219,000)	(7,219,000)	(4,471,000)
Total Deferred income and allowances on sales to sell-through distributors	$ 23,631,000	$ 23,631,000	$ 7,495,000