Property, Plant and Equipment, Net (Tables)

6 Months Ended

Jun. 30, 2022

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment - Net

Major classes of property, plant and equipment are stated at cost and were as follows:

	June 30, 2022			December 31, 2021
Land and improvements	$	19,042		$	21,039
Buildings and improvements		98,634			99,403
Machinery, equipment and aircraft		209,675			204,945
Construction in progress		19,135			10,605
		346,486			335,992
Less accumulated depreciation		(189,042	)		(186,218	)
Property, plant and equipment, net	$	157,444		$	149,774