Net Income Per Common Share Computations (Tables)

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following is a reconciliation of the numerator and denominator of the net income per common share computations:

	Three Months Ended March 31,
(in millions, except per share data)	2021		2020
Numerator for basic net income (loss) per common share:
Net income (loss) from continuing operations	$	36.1	$	(22.6)
Net loss attributable to noncontrolling interest	—		(0.1)
Net income (loss) from continuing operations, net of loss attributable to noncontrolling interests	36.1		(22.5)
Net loss from discontinued operations	—		(0.9)
Numerator for basic net income (loss) per common share	$	36.1	$	(23.4)
Numerator for diluted net income (loss) from continuing operations per common share	$	36.1	$	(22.5)
Numerator for diluted net income (loss) per common share	$	36.1	$	(23.4)
Denominator for net income (loss) per common share:
Basic	39.0		39.7
Plus dilutive effect of stock awards	0.6		—
Diluted	39.6		39.7
Net income (loss) per common share data:
Basic
Continuing operations	$	0.93	$	(0.57)
Discontinued operations	$	—	$	(0.02)
Net income (loss) per common share - basic	$	0.93	$	(0.59)
Diluted
Continuing operations	$	0.91	$	(0.57)
Discontinued operations	$	—	$	(0.02)
Net income (loss) per common share - diluted	$	0.91	$	(0.59)
Anti-dilutive stock awards excluded from the calculation of diluted shares	—		0.5