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CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 26, 2015
Dec. 27, 2014
CONSOLIDATED BALANCE SHEETS (Unaudited) [Abstract]    
Cash and cash equivalents $ 63,813 $ 51,134
Stockholders' Equity Attributable to Parent [Abstract]    
Preferred Stock, Shares Authorized 40,000 40,000
Preferred stock, par value (in dollars per share) $ 1.00 $ 1.00
Common stock, authorized 400,000,000 400,000,000
Preferred stock, issued (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.008 $ 0.008
Common stock, issued (in shares) 168,974,000 167,716,000
Common stock, outstanding (in shares) 134,224,000 136,382,000
Treasury stock, at cost (in shares) 34,750,000 31,334,000