Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2019

Property Plant And Equipment [Abstract]

Schedule of Property Plant and Equipment

Property, plant and equipment at December 31 were:

	2019			2018
Buildings and leasehold improvements	$	228,522		$	208,184
Machinery and equipment		863,771			817,202
		1,092,293			1,025,386
Less:  Accumulated depreciation and amortization		(706,658	)		(635,969	)
		385,635			389,417
Construction in-progress		30,747			16,886
Land		53,192			40,532
	$	469,574		$	446,835