Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2021

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Net Income Per Common 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				Six Months Ended
	June 30,				June 30,
	2021		2020		2021		2020
Earnings
Net income	$	15.5	$	16.9	$	24.0	$	21.2
Shares
Weighted-average common shares outstanding (basic shares)	45.2		45.1		45.2		45.2
Adjustment for assumed dilution:
Restricted stock units	0.2		0.1		0.1		0.1
Performance shares	0.1		0.1		0.1		0.1
Weighted-average shares assuming dilution (diluted shares)	45.5		45.3		45.4		45.4
Earnings per share
Basic and diluted(1)	$	0.34	$	0.38	$	0.53	$	0.47

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