Balance Sheet Information (Details Textuals) (USD $)	12 Months Ended
	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012
Balance Sheet Information
Accumulated Depreciation Amortization And Depletion Expense Property and Equipment, Current Charge	$ 226,300,000	$ 161,900,000	$ 115,000,000
Financing Receivable, Recorded Investment, Past Due	0	0
Provision for Loan and Lease Losses	$ 0	$ 0	$ 0
Product Warranties Disclosures [Abstract]
Weighted Average Warranty For Companys Products	3 years
Maximum Warranty For Companys Products	10 years