Earnings per Share - Schedule of Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Earnings Per Share [Abstract]
Net income - basic	$ 65.0	$ 95.5	$ 108.4	$ 18.9
Net income - diluted	$ 65.0	$ 95.5	$ 108.4	$ 18.9
Weighted-average common shares outstanding:
Basic (in shares)	100.8	97.6	100.3	97.4
Effect of dilutive securities (in shares)	3.1	2.6	3.5	2.9
Diluted (in shares)	103.9	100.2	103.8	100.3
Earnings per share:
Earnings per share, basic (in USD per share)	$ 0.64	$ 0.98	$ 1.08	$ 0.19
Earnings per share, diluted (in USD per share)	$ 0.63	$ 0.95	$ 1.04	$ 0.19
Shares excluded from diluted per share amounts because their effect would have been anti-dilutive (in shares)	2.3	6.7	2.0	5.6