Earnings (Loss) Per Share Attributable to Common Stockholders (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share Basic And Diluted [Line Items]
Net income (loss) available to common stockholders	$ 97.1	$ (34.2)
Weighted average number of shares outstanding:
Basic weighted average share outstanding (in shares)	183,059,321	120,487,251
Diluted average shares outstanding (in shares)	184,581,054	120,487,251
Earnings (loss) per share available to common shares:
Basic (usd per share)	$ 0.53	$ (0.28)
Diluted (usd per share)	$ 0.53	$ (0.28)
Share units
Weighted average number of shares outstanding:
Effect of dilutive securities: Share units and Stock options (in shares)	825,864	0
Stock options and ESPP
Weighted average number of shares outstanding:
Effect of dilutive securities: Share units and Stock options (in shares)	695,869	0