Schedule III - Real Estate and Accumulated Depreciation - Changes in Real Estate Rollforward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Reconciliation of Carrying Amount of Real Estate Investments [Roll Forward]
Balance at the beginning of period	$ 5,567.3	$ 5,207.7	$ 5,430.5
Additions during the period:
Other acquisitions	167.6	137.3	183.0
Improvements	604.2	1,110.4	108.4
Foreign currency	(226.0)	(91.8)	129.9
Deductions during the period:
Cost of real estate sold	(337.8)	(796.3)	(644.1)
Balance at close of period	$ 5,775.3	$ 5,567.3	$ 5,207.7