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Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 28, 2016
Dec. 30, 2015
Dec. 31, 2014
Supplemental Cash Flow Information [Abstract]      
Income taxes paid, net $ 3,012 $ 5,364 $ 3,802
Interest paid 11,288 8,141 8,170
Noncash investing and financing activities:      
Property acquisition payable 0 573 0
Accrued purchase of property 1,445 1,781 635
Issuance of common stock, pursuant to share-based compensation plans 3,597 4,551 1,030
Execution of capital leases 9,597 5,556 3,300
Treasury stock payable $ 313 $ 185 $ 152