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Goodwill (Tables)
9 Months Ended
Sep. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Changes in Goodwill
The following table provides the components of and changes in the carrying amount of goodwill for the nine months ended September 30, 2020 (in millions):
AviationLandTotal
Balance as of December 31, 2019$323.6 $520.1 $843.7 
Additions79.1 — 79.1 
Sale of business (Note 3)(7.0)(64.6)(71.6)
Foreign exchange adjustments0.9 (3.8)(2.9)
Balance as of September 30, 2020$396.5 $451.7 $848.2