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Net Income (Loss) Per Share (Policy)	6 Months Ended
Net Income (Loss) Per Share (Policy)	Jul. 02, 2011
Net Income (Loss) Per Share
Earnings Per Share Policy Basic	Basic net income (loss) per share is computed based on the weighted average number of shares outstanding and shares issuable upon exercise of warrants issued by the Company to West Coast Hitech L.P., in connection with the initial GF transaction in 2009. The warrants became exercisable on July 24, 2009. Diluted net income per share is computed based on the weighted average number of shares outstanding plus any potentially dilutive shares outstanding. Potentially dilutive shares include stock options, restricted stock units and shares issuable upon the conversion of convertible debt.

Discloses the methodology and assumptions used to compute basic earnings or loss per share for each class of common stock and participating security.