Business Segments (Tables)

3 Months Ended

Mar. 27, 2016

Segment Reporting [Abstract]

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

Net sales by geographic location are as follows:

(Dollars in thousands)	Thirteen Weeks Ended
Net sales:	March 27, 2016		March 29, 2015
U.S.	$	37,396	$	43,619
Mexico	148,669		130,110
Consolidated net sales	$	186,065	$	173,729
Long Lived Assets
Long-lived assets includes property, plant and equipment, net, by geographic location as follows:
Property, plant and equipment, net:	March 27, 2016		December 27, 2015
U.S.	$	42,691	$	44,274
Mexico	187,715		190,372
Consolidated property, plant and equipment, net	$	230,406	$	234,646