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Goodwill and Identifiable Intangible Assets - Goodwill (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Goodwill [Roll Forward]    
Balance at the beginning of the period $ 861.9 $ 858.6
Acquisitions 388.7 7.5
Foreign currency translation of non-USD functional currency subsidiary goodwill (17.6) (4.2)
Balance at the end of the period 1,233.0 861.9
Aviation    
Goodwill [Roll Forward]    
Balance at the beginning of the period 400.1 398.8
Acquisitions 0.7 0.0
Foreign currency translation of non-USD functional currency subsidiary goodwill (3.2) 1.3
Balance at the end of the period 397.6 400.1
Land    
Goodwill [Roll Forward]    
Balance at the beginning of the period 461.8 459.7
Acquisitions 388.0 7.5
Foreign currency translation of non-USD functional currency subsidiary goodwill (14.4) (5.5)
Balance at the end of the period $ 835.3 $ 461.8