Goodwill - Schedule of Goodwill (Details) $ in Millions	6 Months Ended
	Jun. 30, 2016 USD ($)
Goodwill [Roll Forward]
Goodwill at beginning of period	$ 4,610.6
Property and equipment and intangible asset fair value adjustments	220.1
Other fair value adjustments	6.8
Impact of foreign exchange translation	(19.3)
Deferred tax and other tax adjustments	(86.2)
Goodwill at end of period	4,732.0
Operating Segments | Transportation
Goodwill [Roll Forward]
Goodwill at beginning of period	2,504.7
Property and equipment and intangible asset fair value adjustments	157.9
Other fair value adjustments	28.1
Impact of foreign exchange translation	1.1
Deferred tax and other tax adjustments	(61.3)
Goodwill at end of period	2,630.5
Operating Segments | Logistics
Goodwill [Roll Forward]
Goodwill at beginning of period	2,105.9
Property and equipment and intangible asset fair value adjustments	62.2
Other fair value adjustments	(21.3)
Impact of foreign exchange translation	(20.4)
Deferred tax and other tax adjustments	(24.9)
Goodwill at end of period	$ 2,101.5