Earnings (Loss) Per Share Attributable to Common Stockholders (Tables)

3 Months Ended

Mar. 31, 2024

Earnings Per Share [Abstract]

Computation of Basic and Diluted Earnings Per Share

	Three months ended March 31,
	2024		2023
Net income (loss) available to common stockholders	$	97.1	$	(34.2)
Denominator:
Basic weighted average share outstanding	183,059,321		120,487,251
Effect of dilutive securities:
Share units	825,864		—
Stock options and ESPP	695,869		—
Diluted average shares outstanding	184,581,054		120,487,251
Earnings (loss) per share available to common shares:
Basic	$	0.53	$	(0.28)
Diluted	$	0.53	$	(0.28)