Business Dispositions (Tables)

3 Months Ended

Mar. 31, 2020

Discontinued Operations And Disposal Groups [Abstract]

Schedule of Discontinued Operations

The results of the historical environmental & infrastructure businesses have been reported in discontinued operations as follows:

	Three Months Ended
	March 31,
		2019
Revenue	$	9,184
Loss before income taxes from discontinued operations		(4,193	)
Loss on disposal of assets held for sale		(315	)
Income tax benefit		1,128
Loss from discontinued operations, net of income taxes	$	(3,380	)