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Leases ASC 842 (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Lessor Disclosure [Abstract]        
Rental and other revenues related to operating lease payments $ 203.8 $ 200.7 $ 413.2 $ 404.3
Variable lease income $ 17.5 $ 17.7 $ 37.0 $ 35.0
Minimum [Member]        
Lessor Disclosure [Abstract]        
Operating leases, term of leases (in years) 3 years   3 years  
Maximum [Member]        
Lessor Disclosure [Abstract]        
Operating leases, term of leases (in years) 10 years   10 years