Inventories

9 Months Ended

Sep. 25, 2016

Inventory Disclosure [Abstract]

Inventory Disclosure [Text Block]

Inventories

(Dollars in thousands)
	September 25, 2016		December 27, 2015
Raw materials	$	35,874	$	19,148
Work in process	21,527		21,063
Finished goods	15,588		21,558
Inventories	$	72,989	$	61,769

Service wheel and supplies inventory included in other non-current assets in the condensed consolidated balance sheets totaled $6.6 million and $6.9 million at September 25, 2016 and December 27, 2015, respectively. Included in raw materials were operating supplies and spare parts totaling $10.3 million and $9.2 million on September 25, 2016 and December 27, 2015, respectively.