Basis of Presentation and Significant Accounting Policies (Details)						3 Months Ended		6 Months Ended				3 Months Ended		6 Months Ended
	Jun. 29, 2013 USD ($)	Jun. 29, 2013 JPY (¥)	Mar. 30, 2013 USD ($)	Dec. 29, 2012 USD ($)	Dec. 29, 2012 JPY (¥)	Jun. 29, 2013 Sales Revenue Sell-Through Distributors	Jun. 30, 2012 Sales Revenue Sell-Through Distributors	Jun. 29, 2013 Sales Revenue Sell-Through Distributors	Jun. 30, 2012 Sales Revenue Sell-Through Distributors	Jun. 29, 2013 Maximum	Jun. 30, 2012 Maximum USD ($)	Jun. 29, 2013 Minimum USD ($)	Jun. 30, 2012 Minimum USD ($)	Jun. 29, 2013 Minimum USD ($)
Basis of Presentation and Significant Accounting Policies [Line Items]
Fiscal year duration (52 weeks or 53 weeks)										371 days				364 days
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 (in JPY)		¥ 100,000,000			¥ 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	1,200,000		1,100,000
Resale of product by sell-through distributors as a percentage of total revenue						44.00%	56.00%	46.00%	55.00%
Deferred Revenue and Credits [Abstract]
Inventory valued at published list price and held by sell-through distributors with right of return	43,571,000			38,623,000
Allowance for distributor advances	(23,890,000)			(22,450,000)
Deferred cost of sales related to inventory held by sell-through distributors	(5,791,000)			(5,620,000)
Total Deferred income and allowances on sales to sell-through distributors	$ 13,890,000			$ 10,553,000