CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
CONSOLIDATED CONDENSED STATEMENTS OF COMPREHENSIVE INCOME
Net Income	$ 75.9us-gaap_ProfitLoss	$ 67.9us-gaap_ProfitLoss
Other comprehensive income:
Foreign currency translation adjustment	(52.8)	9.3
Unrealized gain (loss) on interest rate swaps:
Unrealized gain (loss) arising during the period, net of tax benefits		(0.2)
Reclassification adjustment for loss included in floor plan interest expense, net of tax provision of $0.7		1.1
Unrealized gain (loss) on interest rate swaps, net of tax		0.9
Other adjustments to comprehensive income, net	(2.3)	(4.0)
Other comprehensive income (loss), net of taxes	(55.1)	6.2
Comprehensive income	20.8	74.1
Less: Comprehensive income attributable to non-controlling interests	0.1	0.2
Comprehensive income attributable to Penske Automotive Group common stockholders	$ 20.7us-gaap_ComprehensiveIncomeNetOfTax	$ 73.9us-gaap_ComprehensiveIncomeNetOfTax

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