Income (Loss) per Common Share (Tables)

12 Months Ended

Dec. 31, 2022

Earnings Per Share [Abstract]

Schedule of Computation of Weighted Average Basic and Diluted Income (Loss) Per Share

The following table sets forth the computation of the weighted average basic and diluted income (loss) per share:

	Years Ended December 31,
	2022			2021
	(In millions, except share and per share amounts)
Numerator:
Income (loss) from continuing operations	$	(3.0	)	$	13.0
Loss from discontinued operations, net of income taxes		—			(0.7	)
Gain on sale and deconsolidation of discontinued business, net of income taxes		—			16.7
Net income (loss)	$	(3.0	)	$	29.0
Denominator:
Weighted average number of shares outstanding during the period - basic and dilutive (in thousands)		26.4			25.4
Income (loss) per common share — basic and diluted:
Continuing operations	$	(113.64	)	$	511.81
Discontinued operations		—			629.92
Net income (loss)	$	(113.64	)	$	1,141.73