Segment Information (Tables)

3 Months Ended

Mar. 31, 2016

Segment Reporting [Abstract]

Reportable Segment Revenue

revenue and segment income of our reportable segments are reconciled to consolidated revenue and consolidated income from continuing operations before income taxes, respectively.

	Three Months Ended
	March 31,
	2016		2015
Revenue:
Domestic	$	1,848.2	$	1,665.7
Import	1,675.0		1,678.7
Premium Luxury	1,540.3		1,563.2
Total	5,063.5		4,907.6
Corporate and other	56.1		36.6
Total consolidated revenue	$	5,119.6	$	4,944.2

Reportable Segment Income

	Three Months Ended
	March 31,
	2016			2015
Segment income(1):
Domestic	$	77.4		$	79.3
Import	76.1			75.0
Premium Luxury	83.0			94.1
Total	236.5			248.4
Corporate and other	(48.0		)	(46.7		)
Other interest expense	(28.3		)	(21.4		)
Interest income	0.1			0.1
Other income (loss), net	(3.4		)	1.1
Income from continuing operations before income taxes	$	156.9		$	181.5
(1) Segment income represents income for each of our reportable segments and is defined as operating income less floorplan interest expense.