Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2018

Intangible Assets

Summary of the changes in the carrying amount of goodwill and other indefinite-lived intangible assets

			Other Indefinite-
			Lived Intangible
	Goodwill		Assets
Balance — December 31, 2016	$	1,291.2	$	420.1
Additions		324.8		40.8
Disposals		(4.5)		(1.7)
Foreign currency translation		49.0		14.8
Balance — December 31, 2017	$	1,660.5	$	474.0
Additions		144.1		29.8
Disposals		(13.8)		(0.5)
Impairment		—		(5.8)
Foreign currency translation		(38.8)		(11.3)
Balance — December 31, 2018	$	1,752.0	$	486.2

Summary of the changes in the carrying amount of goodwill by reportable segment

			Retail
	Retail		Commercial
	Automotive		Truck		Other		Total
Balance — December 31, 2016	$	1,050.2	$	162.0	$	79.0	$	1,291.2
Additions		324.8		—		—		324.8
Disposals		(4.5)		—		—		(4.5)
Foreign currency translation		41.6		1.0		6.4		49.0
Balance — December 31, 2017	$	1,412.1	$	163.0	$	85.4	$	1,660.5
Additions		143.2		0.9		—		144.1
Disposals		(13.8)		—		—		(13.8)
Foreign currency translation		(29.6)		(1.3)		(7.9)		(38.8)
Balance — December 31, 2018	$	1,511.9	$	162.6	$	77.5	$	1,752.0