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Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 28, 2016
Sep. 30, 2015
Supplemental Cash Flow Information [Abstract]    
Income taxes paid, net $ 1,140 $ 4,916
Interest paid 8,197 6,102
Noncash investing and financing activities:    
Property acquisition payable 0 615
Issuance of common stock, pursuant to share-based compensation plans 3,597 4,551
Execution of capital leases 7,180 3,635
Treasury stock payable $ 695 $ 1,785