Segment Information (Tables)

12 Months Ended

Dec. 31, 2019

Segment Information

Revenues and segment income by reportable segment

	Retail		Retail Commercial				Non-Automotive		Intersegment
	Automotive		Truck		Other		Investments		Elimination		Total
Revenues
2019	$	20,615.8	$	2,050.5	$	513.1	$	—	$	—	$	23,179.4
2018		20,849.2		1,374.5		561.4		—		—		22,785.1
2017		19,824.3		1,048.0		514.6		—		—		21,386.9
Floor plan interest expense
2019	$	74.9	$	8.0	$	1.6	$	—	$	—	$	84.5
2018		74.9		4.2		1.8		—		—		80.9
2017		59.4		2.7		1.3		—		—		63.4
Other interest expense
2019	$	118.4	$	3.2	$	2.6	$	—	$	—	$	124.2
2018		108.3		2.4		4.0		—		—		114.7
2017		95.0		3.4		9.0		—		—		107.4
Depreciation
2019	$	99.1	$	5.5	$	5.0	$	—	$	—	$	109.6
2018		94.2		4.3		5.2		—		—		103.7
2017		85.7		4.1		5.3		—		—		95.1
Equity in earnings of affiliates
2019	$	5.2	$	—	$	—	$	142.3	$	—	$	147.5
2018		5.2		—		—		129.6		—		134.8
2017		4.6		—		—		103.0		—		107.6
Adjusted segment income
2019	$	339.9	$	86.5	$	22.8	$	142.3	$	—	$	591.5
2018		389.7		62.3		22.5		129.6		—		604.1
2017		397.2		38.4		9.6		103.0		—		548.2

Total assets, equity method investments, and capital expenditures by reporting segment

	Retail		Retail Commercial				Non-Automotive		Intersegment
	Automotive		Truck		Other		Investments		Elimination		Total
Total assets
2019	$	10,960.1	$	1,075.8	$	579.9	$	1,326.9	$	—	$	13,942.7
2018		8,501.4		571.5		590.5		1,241.1		—		10,904.5
Equity method investments
2019	$	72.1	$	—	$	—	$	1,326.9	$	—	$	1,399.0
2018		64.1		—		—		1,241.1		—		1,305.2
Capital expenditures
2019	$	231.9	$	9.9	$	3.5	$	—	$	—	$	245.3
2018		292.6		9.3		3.7		—		—		305.6
2017		237.8		6.4		2.8		—		—		247.0

Schedule of revenue and long-lived assets by geographic area

	Year Ended December 31,
	2019		2018		2017
Revenue from external customers:
U.S.	$	13,511.8	$	12,607.8	$	12,487.2
Non-U.S.		9,667.6		10,177.3		8,899.7
Total revenue from external customers	$	23,179.4	$	22,785.1	$	21,386.9
Long-lived assets, net:
U.S.	$	2,481.1	$	2,365.5
Non-U.S.		1,303.8		1,205.6
Total long-lived assets	$	3,784.9	$	3,571.1

Schedule of revenue from external customers by product type for the Retail Automotive and Retail Commercial Truck segments

	Year Ended December 31,
Retail Automotive Dealership Revenue	2019		2018		2017
New vehicle	$	9,329.5	$	9,666.4	$	9,678.5
Used vehicle		7,241.2		7,252.1		6,386.8
Finance and insurance, net		652.1		629.6		581.8
Service and parts		2,195.9		2,151.4		2,057.5
Fleet and wholesale		1,197.1		1,149.7		1,119.7
Total retail automotive dealership revenue	$	20,615.8	$	20,849.2	$	19,824.3

	Year Ended December 31,
Retail Commercial Truck Dealership Revenue	2019		2018		2017
New truck	$	1,347.2	$	866.9	$	613.2
Used truck		117.0		112.0		89.4
Finance and insurance, net		12.4		11.9		9.0
Service and parts		503.3		364.5		325.6
Other		70.6		19.2		10.8
Total retail commercial truck dealership revenue	$	2,050.5	$	1,374.5	$	1,048.0