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Consolidated Balance Sheets (Parenthetical)	Dec. 31, 2011	Jan. 01, 2011
Consolidated Balance Sheets [Abstract]
Common stock, shares issued	319,615,965	329,018,166
Common stock, shares outstanding	319,615,965	329,018,166

Total number of shares of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares represent the ownership interest of the common shareholders. Shares outstanding equals shares issued minus shares held in treasury and other adjustments, if any.

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