Earnings Per Share ("EPS") (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Calculation of basic and diluted earnings per share

The calculation of basic and diluted earnings per share for the three and nine months ended September 30, 2021 and 2020 is set forth in the following table (in millions, except per share amounts):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Net (loss) income	$	(35.1)	$	19.3	$	(4.8)	$	20.0
Weighted Average Shares Outstanding:
Basic weighted average shares outstanding	48.1		47.8		48.1		47.8
Dilutive effect of stock options and restricted share unit awards	—		0.3		—		0.2
Diluted weighted average shares outstanding	48.1		48.1		48.1		48.0
(Loss) Earnings Per Share:
Basic	$	(0.73)	$	0.40	$	(0.10)	$	0.42
Diluted	$	(0.73)	$	0.40	$	(0.10)	$	0.42