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Supplemental Cash Flow Information (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 29, 2016
Jul. 01, 2015
Supplemental Cash Flow Information [Abstract]    
Income taxes paid, net $ 938 $ 4,160
Interest paid 5,215 4,136
Noncash investing and financing activities:    
Property acquisition payable 2,973 0
Issuance of common stock, pursuant to share-based compensation plans 3,597 4,551
Execution of capital leases 4,623 1,731
Treasury stock payable $ 147 $ 175