Earnings (Loss) Per Share (Tables)

6 Months Ended

Jun. 30, 2021

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The following table sets forth the computation of basic and diluted earnings (loss) per share (in millions, except per share data).

	Three Months Ended June 30,				Six Months Ended June 30,
	2021		2020		2021		2020
Basic and diluted earnings (loss) per share:
Numerator:
Net income (loss), basic and diluted	$	47.1	$	2.0	$	80.0	$	(1.7)
Denominator:
Basic weighted average common shares	29.6		29.1		29.5		29.0
Stock options, RSUs and PSUs	0.8		0.1		0.8		—
Weighted average shares used to calculate diluted earnings (loss) per share	30.4		29.2		30.3		29.0
Earnings (loss) per share:
Basic	$	1.59	$	0.07	$	2.71	$	(0.06)
Diluted	$	1.55	$	0.07	$	2.64	$	(0.06)
Antidilutive stock options, RSUs and PSUs	—		0.8		—		0.9