Leases - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Leases
Total undiscounted rent obligations	$ 5,418.3		$ 5,418.3
Sublease income	$ 4.4	$ 4.2	$ 12.0	$ 12.7
Property leases | Minimum
Leases
Initial lease period (in years)	5 years		5 years
Property leases | Maximum
Leases
Initial lease period (in years)	20 years		20 years
Equipment leases | Maximum
Leases
Initial lease period (in years)	5 years		5 years