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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Dec. 28, 2013
Dec. 29, 2012
Stockholders' Equity Attributable to Parent [Abstract]    
Preferred stock, authorized (in shares) 40,000 40,000
Preferred stock, par value (in dollars per share) $ 1.00 $ 1.00
Common stock, authorized (in shares) 200,000,000 200,000,000
Preferred stock, issued (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.008 $ 0.008
Common stock, issued (in shares) 166,324,000 163,390,000
Common stock, outstanding (in shares) 139,654,000 139,007,000
Treasury stock, at cost (in shares) 26,670,000 24,383,000