Property and Equipment

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Property and Equipment

PROPERTY AND EQUIPMENT

Cost of property and equipment and their estimated useful lives is as follows:

	Year	December 31, 2022		January 1, 2022
Buildings	39.5	$	78,071	$	80,820
Laboratory and production equipment	5-7	50,679		47,552
Air transportation equipment	5	2,952		2,952
Computer equipment and software	3-5	53,436		53,562
Furniture and fixtures	3-5	6,198		6,636
Automobiles	3-5	722		767
Leasehold improvements	3-5	14,388		15,212
Land improvements	15	3,271		3,382
		209,717		210,883
Less accumulated depreciation and amortization		124,748		121,590
		84,969		89,293
Land		6,723		6,992
Deposits and projects in process		6,081		5,495
		$	97,773	$	101,780

Depreciation of property and equipment was $11,351, $11,661, and $12,242, for the years ended 2022, 2021, and 2020, respectively.