CONSOLIDATED CONDENSED STATEMENTS OF INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue:
Total revenues	$ 6,920.7	$ 6,497.3	$ 20,803.0	$ 19,258.6
Cost of sales:
Total cost of sales	5,733.8	5,331.6	17,147.4	15,997.0
Gross profit	1,186.9	1,165.7	3,655.6	3,261.6
Selling, general and administrative expenses	792.7	757.7	2,408.2	2,171.8
Depreciation	31.5	30.2	95.1	89.7
Operating income	362.7	377.8	1,152.3	1,000.1
Floor plan interest expense	(13.8)	(6.0)	(30.3)	(23.4)
Other interest expense	(17.9)	(16.2)	(51.4)	(53.8)
Debt redemption costs	0.0	0.0	0.0	(17.0)
Equity in earnings of affiliates	136.2	120.5	393.8	281.5
Income from continuing operations before income taxes	467.2	476.1	1,464.4	1,187.4
Income taxes	(125.7)	(120.1)	(377.5)	(308.0)
Income from continuing operations	341.5	356.0	1,086.9	879.4
Income from discontinued operations, net of tax	0.0	0.3	0.0	0.4
Net income	341.5	356.3	1,086.9	879.8
Less: Income attributable to non-controlling interests	1.4	1.2	4.9	3.3
Net income attributable to Penske Automotive Group common stockholders	$ 340.1	$ 355.1	$ 1,082.0	$ 876.5
Basic earnings per share attributable to Penske Automotive Group common stockholders:
Continuing operations (in dollars per share)	$ 4.61	$ 4.46	$ 14.32	$ 10.91
Discontinued operations (in dollars per share)	0	0	0	0
Net income attributable to Penske Automotive Group common stockholders (in dollars per share)	$ 4.61	$ 4.47	$ 14.32	$ 10.92
Shares used in determining basic earnings per share (in shares)	73,739,316	79,497,482	75,575,189	80,272,613
Diluted earnings per share attributable to Penske Automotive Group common stockholders:
Continuing operations (in dollars per share)	$ 4.61	$ 4.46	$ 14.31	$ 10.91
Discontinued operations (in dollars per share)	0	0	0	0
Net income attributable to Penske Automotive Group common stockholders (in dollars per share)	$ 4.61	$ 4.47	$ 14.31	$ 10.92
Shares used in determining diluted earnings per share (in shares)	73,764,715	79,523,327	75,600,588	80,298,458
Amounts attributable to Penske Automotive Group common stockholders:
Income from continuing operations	$ 341.5	$ 356.0	$ 1,086.9	$ 879.4
Less: Income attributable to non-controlling interests	1.4	1.2	4.9	3.3
Income from continuing operations, net of tax	340.1	354.8	1,082.0	876.1
Income from discontinued operations, net of tax	0.0	0.3	0.0	0.4
Net income attributable to Penske Automotive Group common stockholders	$ 340.1	$ 355.1	$ 1,082.0	$ 876.5
Cash dividends per share (in dollars per share)	$ 0.53	$ 0.45	$ 1.50	$ 1.32
Retail automotive dealership
Revenue:
Total revenues	$ 5,757.8	$ 5,634.9	$ 17,784.3	$ 17,039.4
Cost of sales:
Total cost of sales	4,750.9	4,624.0	14,666.7	14,188.2
Retail commercial truck dealership
Revenue:
Total revenues	1,019.5	717.3	2,580.5	1,777.3
Cost of sales:
Total cost of sales	879.8	602.0	2,163.6	1,479.3
Commercial vehicle distribution and other
Revenue:
Total revenues	143.4	145.1	438.2	441.9
Cost of sales:
Total cost of sales	$ 103.1	$ 105.6	$ 317.1	$ 329.5