Data by Geographic Region (Tables)

12 Months Ended

Dec. 31, 2019

Segment Reporting [Abstract]

Revenue From External Customers and Long-Lived Assets, by Geographical Areas

Revenue and property, plant and equipment related to continuing operations outside the U.S., based on customer and asset location, are as follows:

	U.S.		Other		Consolidated
2019
Revenue from unaffiliated customers	$	463,608	$	149,235	$	612,843
Property, plant and equipment, net	$	16,828	$	5,496	$	22,324
2018
Revenue from unaffiliated customers	$	489,825	$	139,885	$	629,710
Property, plant and equipment, net	$	15,344	$	5,498	$	20,842
2017
Revenue from unaffiliated customers	$	479,970	$	132,259	$	612,229
Property, plant and equipment, net	$	10,974	$	5,005	$	15,979