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Goodwill (Tables)
3 Months Ended
Mar. 31, 2019
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 (in millions):
 
 
Aviation

 
Land

 
Total

Balance as of December 31, 2018
 
$
322.9

 
$
529.7

 
$
852.7

Additions
 

 

 

Foreign exchange and other adjustments
 
(1.2
)
 
1.9

 
0.7

Balance as of March 31, 2019
 
$
321.7

 
$
531.7

 
$
853.3