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Supplemental Disclosure of Cash Flow Information (Tables)
 12 Months Ended
Dec. 30, 2016
Supplemental Cash Flow Elements [Abstract]  
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]
The Company’s non-cash investing and financing activities were as follows (in thousands):
 
Non-cash investing and financing activities:
 
2016
 
2015
 
2014
 
Assets obtained by capital lease
 
$
2,383
 
$
91
 
$
802
 
Purchase of property and equipment included in accounts payable
 
$
485
 
$
51
 
$
682