Inventories (Tables)

3 Months Ended

Mar. 27, 2021

Inventory Disclosure [Abstract]

Components of Inventories

  Inventories consist of the following:

	March 27, 2021		December 26, 2020
	(in thousands)
Current inventory:
Raw materials	$	75,545	$	69,272
Work in process		16,679		16,846
Finished goods		68,447		44,792
Total current inventory		160,671		130,910
Long term inventory		10,459		9,639
Total inventory	$	171,130	$	140,549