Consolidated Balance Sheets (Parentheticals) (USD $)
In Thousands, except Share data, unless otherwise specified
Dec. 28, 2014
Dec. 29, 2013
Allowance for doubtful accounts (in Dollars) $ 760 $ 779
Property and equipment, accumulated depreciation (in Dollars) 114,708 122,691
Common stock, par value (in Dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 34,333,858 34,990,170
Common stock, shares outstanding 34,333,858 34,990,170
Treasury stock, shares 71,950 71,950
Other Intangible Assets [Member]    
Finite-lived intangible assets, accumulated amortization (in Dollars) $ 2,920 $ 2,703