Note 2. Discontinued Operations

12 Months Ended

Dec. 31, 2020

Discontinued Operations and Disposal Groups [Abstract]

Disposal Groups, Including Discontinued Operations, Disclosure [Text Block]

Note 2. Discontinued Operations

On November 1, 2018, we completed the spin-off of Arcosa. Upon completion of the spin-off transaction, the accounting requirements for reporting Arcosa as a discontinued operation were met, and, accordingly, Arcosa's historical results have been reclassified to discontinued operations for the periods presented herein.

The following is a summary of operating results included in income (loss) from discontinued operations for the years ended December 31, 2020, 2019, and 2018:

	Year Ended December 31,
	2020		2019		2018
	(in millions)
Revenues	$	—	$	—	$	1,042.0
Cost of revenues	—		—		840.8
Selling, engineering, and administrative expenses	0.2		4.1		116.8
Other (income) expense	—		—		(0.4)
Income (loss) from discontinued operations before income taxes	(0.2)		(4.1)		84.8
Provision (benefit) for income taxes	(0.1)		(1.0)		30.7
Income (loss) from discontinued operations, net of income taxes	$	(0.1)	$	(3.1)	$	54.1