v3.8.0.1
Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Sep. 24, 2017
Dec. 25, 2016
Statement Of Financial Position [Abstract]    
Allowances on accounts receivable $ 112 $ 78
Common stock, par value $ 0.01 $ 0.01
Common stock, authorized 200,000,000 200,000,000
Common stock, outstanding 24,804,265 25,139,127
Treasury stock, shares 6,498,908 5,753,412