Basis of Presentation and Significant Accounting Policies (Details)	3 Months Ended		9 Months Ended			3 Months Ended		9 Months Ended				9 Months Ended
	Sep. 28, 2013 USD ($)	Sep. 29, 2012 USD ($)	Sep. 28, 2013 USD ($)	Sep. 29, 2012 USD ($)	Dec. 29, 2012 USD ($)	Sep. 28, 2013 Sales Revenue Sell-Through Distributors	Sep. 29, 2012 Sales Revenue Sell-Through Distributors	Sep. 28, 2013 Sales Revenue Sell-Through Distributors	Sep. 29, 2012 Sales Revenue Sell-Through Distributors	Sep. 28, 2013 Not designated as effective hedges for accounting purposes Foreign exchange contracts JPY (¥)	Dec. 29, 2012 Not designated as effective hedges for accounting purposes Foreign exchange contracts JPY (¥)	Sep. 28, 2013 Minimum	Sep. 28, 2013 Maximum
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										¥ 120,000,000	¥ 150,000,000
Gain on foreign exchange contracts adjusted to fair value through earnings - less than	100,000	100,000	100,000	100,000
Risks and Uncertainties [Abstract]
Allowance for doubtful accounts	900,000		900,000		1,100,000
Resale of product by sell-through distributors as a percentage of total revenue						41.00%	56.00%	44.00%	55.00%
Deferred Revenue and Credits [Abstract]
Inventory valued at published list price and held by sell-through distributors with right of return	51,891,000		51,891,000		38,623,000
Allowance for distributor advances	(27,880,000)		(27,880,000)		(22,450,000)
Deferred cost of sales related to inventory held by sell-through distributors	(6,424,000)		(6,424,000)		(5,620,000)
Total Deferred income and allowances on sales to sell-through distributors	$ 17,587,000		$ 17,587,000		$ 10,553,000