Segment Information (Tables)

6 Months Ended

Jun. 30, 2015

Segment Reporting [Abstract]

Reportable Segment Revenue

Reportable segment revenue and segment income are as follows:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2015		2014		2015		2014
Revenue:
Domestic	$	1,764.2	$	1,604.9	$	3,429.9	$	3,077.9
Import	1,795.0		1,717.8		3,473.7		3,267.2
Premium Luxury	1,633.0		1,431.9		3,196.2		2,738.3
Total	5,192.2		4,754.6		10,099.8		9,083.4
Corporate and other	32.1		33.9		68.7		68.6
Total consolidated revenue	$	5,224.3	$	4,788.5	$	10,168.5	$	9,152.0

Reportable Segment Income

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2015			2014			2015			2014
Segment income(1):
Domestic	$	84.9		$	70.5		$	164.2		$	134.3
Import	80.1			77.5			155.1			142.9
Premium Luxury	94.4			85.8			188.5			169.1
Total	259.4			233.8			507.8			446.3
Corporate and other	(51.5		)	(49.3		)	(98.2		)	(85.9		)
Other interest expense	(21.6		)	(21.3		)	(43.0		)	(42.9		)
Interest income	—			0.1			0.1			0.1
Other income, net	0.5			0.9			1.6			2.4
Income from continuing operations before income taxes	$	186.8		$	164.2		$	368.3		$	320.0

⁽¹⁾ Segment income represents income for each of our reportable segments and is defined as operating income less floorplan interest expense.