Stockholders' Equity - Summary of Effects of Stock-Based Compensation on Company's Balance Sheets (Details) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2013	Dec. 29, 2012
Stock-Based Compensation Effects in Inventory [Member]
Effects Of Stock Based Compensation [Line Items]
Effects Of Stock Based Compensation	$ 3,656	$ 4,891
Stock-Based Compensation Effects in Deferred Inventory Cost [Member]
Effects Of Stock Based Compensation [Line Items]
Effects Of Stock Based Compensation	16	42
Stock-Based Compensation Effects in Fixed Assets [Member]
Effects Of Stock Based Compensation [Line Items]
Effects Of Stock Based Compensation	$ 152	$ 171