Inventories are stated at the lower of cost (First-In, First-Out (FIFO) Method) and net realizable value and consist of the following classes:



(thousands)	Sep. 25, 2016			Dec. 31, 2015
Raw materials	$	72,852		$	52,601
Work in process	6,045			5,529
Finished goods	10,266			10,450
Less: reserve for inventory obsolescence	(2,757		)	(1,897		)
Total manufactured goods, net	86,406			66,683
Materials purchased for resale (distribution products)	31,315			24,406
Less: reserve for inventory obsolescence	(1,606		)	(1,611		)
Total materials purchased for resale (distribution products), net	29,709			22,795
Total inventories	$	116,115		$	89,478