Note 9 – Inventories


	October 1, 2017		December 31, 2016
(Dollars in thousands)
Raw materials	$	59,744	$	40,255
Work in process		53,711		21,447
Finished goods		64,642		21,135

Inventories	$	178,097	$	82,837

Service wheel and supplies inventory included in other non-current assets in the condensed consolidated balance sheets totaled $8.5 million and $6.5 million at October 1, 2017 and December 31, 2016, respectively. Included in raw materials were operating supplies and spare parts totaling $13.6 million and $10.3 million on October 1, 2017 and December 31, 2016, respectively. The significant increase in the current year inventory is attributable to the acquired European operations.