Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Basic and Diluted EPS

The following table presents the calculation of basic and diluted earnings (loss) per share:

	Three Months Ended
	March 31,
	2020			2019
Net income (loss) from continuing operations	$	(232.2	)	$	92.1
Loss from discontinued operations, net of income taxes	(0.1		)	(0.1		)
Net income (loss)	$	(232.3	)	$	92.0
Basic weighted average common shares outstanding	90.0			90.5
Dilutive effect of stock options and unvested RSUs	—			0.2
Diluted weighted average common shares outstanding	90.0			90.7
Basic earnings (loss) per share amounts(1):
Continuing operations	$	(2.58	)	$	1.02
Discontinued operations	$	—		$	—
Net income (loss)	$	(2.58	)	$	1.02
Diluted earnings (loss) per share amounts(1):
Continuing operations	$	(2.58	)	$	1.02
Discontinued operations	$	—		$	—
Net income (loss)	$	(2.58	)	$	1.01
(1) Earnings (loss) per share amounts are calculated discretely and therefore may not add up to the total due to rounding.

Anti-Dilutive Equity Instruments Excluded From The Computation Of Diluted Earnings Per Share

A summary of anti-dilutive equity instruments excluded from the computation of diluted earnings (loss) per share is as follows:

	Three Months Ended
	March 31,
	2020	2019
Anti-dilutive equity instruments excluded from the computation of diluted earnings (loss) per share	3.0	2.8