Earnings Per Share

3 Months Ended

Mar. 31, 2021

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

The following table sets forth the computation of basic and diluted net earnings per share (dollars and shares in millions, except per share amounts):

	Three Months Ended
	March 31,
	2021		2020
Earnings
Net income	$	8.5	$	4.3
Shares
Weighted-average common shares outstanding (basic shares)	45.2		45.3
Adjustment for assumed dilution:
Restricted stock units	0.1		—
Performance shares	0.1		0.1
Weighted-average shares assuming dilution (diluted shares)	45.4		45.4
Earnings per share
Basic(1)	$	0.19	$	0.09
Diluted(1)	$	0.19	$	0.09

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(1)    Basic and diluted earnings per share are calculated based on unrounded actual amounts.

The number of common shares that were not included in the computation of diluted earnings per share because the effect would have been anti-dilutive were 437,362 and 469,302 for the three months ended March 31, 2021 and March 31, 2020, respectively.