Basis of Presentation and Significant Accounting Policies (Details)					3 Months Ended			12 Months Ended	3 Months Ended
	Mar. 30, 2013 USD ($)	Mar. 30, 2013 JPY (¥)	Dec. 29, 2012 USD ($)	Dec. 29, 2012 JPY (¥)	Mar. 30, 2013 Sales Revenue Sell-Through Distributors	Dec. 29, 2012 Sales Revenue Sell-Through Distributors	Mar. 30, 2013 Maximum	Dec. 29, 2012 Maximum USD ($)	Mar. 30, 2013 Minimum USD ($)
Basis of Presentation and Significant Accounting Policies [Line Items]
Fiscal year duration							53 weeks		52 weeks
Term of maturities of investments considered cash and cash equivalents							3 months
General Discussion of Derivative Instruments and Hedging Activities [Abstract]
Foreign exchange contracts outstanding		¥ 100,000,000		¥ 150,000,000
Gain on foreign exchange contracts adjusted to fair value through earnings								100,000	100,000
Risks and Uncertainties [Abstract]
Allowance for doubtful accounts	1,200,000		1,100,000
Resale of product by sell-through distributors as a percentage of total revenue					49.00%	61.00%
Deferred Revenue and Credits [Abstract]
Inventory valued at published list price and held by sell-through distributors with right of return	39,093,000		38,623,000
Allowance for distributor advances	(22,000,000)		(22,450,000)
Deferred cost of sales related to inventory held by sell-through distributors	(5,437,000)		(5,620,000)
Total Deferred income and allowances on sales to sell-through distributors	$ 11,656,000		$ 10,553,000