Goodwill (Tables)

6 Months Ended

Jun. 30, 2018

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, 2017	$	326.9		$	518.5	$	845.5
Additions	—			13.4		13.4
Foreign exchange and other adjustments	(4.5		)	2.3		(2.2		)
Balance as of June 30, 2018	$	322.4		$	534.2	$	856.7