PROPERTY, PLANT AND EQUIPMENT

12 Months Ended

Dec. 31, 2021

Property, Plant and Equipment [Abstract]

PROPERTY, PLANT AND EQUIPMENT

PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment at December 31, 2021 and 2020 are summarized as follows:

	2021		2020
Land	$	11,692	$	12,215
Building	89,602		86,873
Equipment	253,995		247,884
Construction in progress	52,930		31,240
	408,219		378,212
Less: Accumulated depreciation	170,702		150,116
Property, plant and equipment, net	$	237,517	$	228,096

Geographic Area Data - Long-Lived Assets (excluding intangible assets):

	2021		2020
United States	$	197,432	$	187,719
Foreign Countries	40,085		40,377
Total	$	237,517	$	228,096

Depreciation expense was $23,295, $22,990 and $19,791 for the years ended December 31, 2021, 2020 and 2019, respectively.