Inventories (Tables)

9 Months Ended

Sep. 29, 2018

Inventory Disclosure [Abstract]

Schedule of Inventory

The components of inventories at September 29, 2018 and December 30, 2017 are as follows:

(in thousands)	September 29 2018		December 30 2017
Raw materials	$	69,575	$	39,030
Work in process	83,115		27,454
Finished goods	94,565		74,305
Total	$	247,255	$	140,789