Inventories

Inventories are composed of material, labor and overhead and are stated at the lower of cost or market. Costs for inventory have been determined using the first-in, first-out ("FIFO") method. The company estimates reserves for inventory obsolescence and shrinkage based on its judgment of future realization. Inventories at September 29, 2018 and December 30, 2017 are as follows (in thousands):



	Sep 29, 2018		Dec 30, 2017
Raw materials and parts	$	233,061	$	180,559
Work-in-process	56,838		38,917
Finished goods	222,925		205,163
	$	512,824	$	424,639