Share-Based and Other Compensation - Share-Based Compensation Cost Recorded During the Period and Other Compensation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 43.7	$ 34.8	$ 41.0
Share-based compensation expense capitalized	6.9	$ 6.4	$ 7.2
Share-based compensation not yet recognized	$ 18.2
Share-based compensation not yet recognized period of recognition	1 year 7 months 6 days
Severance
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 27.3