CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 247.6	$ 116.1	$ 343.9	$ 333.8
Other comprehensive income:
Foreign currency translation adjustment	49.9	(44.3)	(15.4)	(54.1)
Unrealized gain (loss) on interest rate swaps:
Unrealized gain (loss) arising during the period, net of tax provision (benefit) of $0.1, $0.0, ($1.4), and $0.0, respectively	0.3		(3.8)
Reclassification adjustment for loss included in floor plan interest expense, net of tax benefit of $0.1, $0.0, $0.1, and $0.0, respectively	(0.2)		(0.2)
Unrealized gain (loss) on interest rate swaps, net of tax	0.1		(4.0)
Other adjustments to comprehensive income, net	3.3	(1.9)	0.6	1.9
Other comprehensive income (loss), net of tax	53.3	(46.2)	(18.8)	(52.2)
Comprehensive income	300.9	69.9	325.1	281.6
Less: Comprehensive income (loss) attributable to non-controlling interests	1.4	(0.6)	0.8	(1.1)
Comprehensive income attributable to Penske Automotive Group common stockholders	$ 299.5	$ 70.5	$ 324.3	$ 282.7