Earnings Per Share

12 Months Ended

Dec. 31, 2024

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

The following table sets forth the computation of basic and diluted net (loss) income per common share for the periods ended:

	Year ended December 31,
	2024		2023		2022
	(in millions, except per share amounts)
Net (loss) income	$	(535.6)	$	3,619.6	$	3,322.0
Basic weighted-average common shares outstanding	257.9		257.7		256.1
Effect of potentially dilutive securities:
Restricted stock units (including PSUs)	—		1.6		1.6
Stock options	—		1.2		1.4
Employee stock purchase program	—		0.0		0.0
Diluted weighted-average common shares outstanding	257.9		260.5		259.1
Basic net (loss) income per common share	$	(2.08)	$	14.05	$	12.97
Diluted net (loss) income per common share	$	(2.08)	$	13.89	$	12.82

We did not include the securities in the following table in the computation of the diluted net (loss) income per common share because the effect would have been anti-dilutive during each period:

	Year ended December 31,
	2024	2023	2022
	(in millions)
Unvested restricted stock units (including PSUs)	0.8	0.1	0.2
Stock options	0.4	0.0	0.0