Certain Balance Sheet Components (Components Of Net Inventories) (Details) (USD $)	Jan. 03, 2014	Dec. 28, 2012	Dec. 30, 2011
Balance Sheet Related Disclosures [Abstract]
Raw materials	$ 94,988,000	$ 89,016,000
Work-in-process	6,871,000	6,658,000
Finished goods	152,452,000	144,855,000
Total inventories, net	254,311,000	240,529,000	232,063,000
Deferred Costs, Current	$ 12,600,000	$ 16,200,000