Note 2. Acquisitions and Discontinued Operations (Tables)

12 Months Ended

Dec. 31, 2023

Discontinued Operations and Disposal Groups [Abstract]

Disposal Groups, Including Discontinued Operations [Table Text Block]

The following is a summary of operating results related to the THP business included in income (loss) from discontinued operations for the years ended December 31, 2023, 2022, and 2021:

	Year Ended December 31,
	2023		2022		2021
	(in millions)
Revenues	$	—	$	—	$	296.5
Cost of revenues	—		—		216.6
Selling, engineering, and administrative expenses	17.0		21.4		65.3
Income (loss) from discontinued operations before income taxes	(17.0)		(21.4)		14.6
Provision (benefit) for income taxes	(3.6)		(1.1)		2.7
Income (loss) from discontinued operations, net of income taxes	$	(13.4)	$	(20.3)	$	11.9