Accumulated Other Comprehensive Income (Loss) (Tables)

3 Months Ended

Mar. 31, 2023

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of the changes in accumulated other comprehensive income/(loss) by component and the reclassifications out of accumulated other comprehensive income/(loss) attributable to the entity's common stockholders

Changes in accumulated other comprehensive income (loss) by component and the reclassifications out of accumulated other comprehensive income (loss) during the three months ended March 31, 2023 and 2022, respectively, attributable to Penske Automotive Group common stockholders follows:

Three Months Ended March 31, 2023

	Foreign Currency Translation		Other		Accumulated Other Comprehensive Income (Loss)
Balance at December 31, 2022	$	(328.1)	$	(7.2)	$	(335.3)
Other comprehensive income (loss) before reclassifications	18.0		4.8		22.8
Amounts reclassified from accumulated other comprehensive income (loss) — net of tax	—		—		—
Net current period other comprehensive income (loss)	18.0		4.8		22.8
Balance at March 31, 2023	$	(310.1)	$	(2.4)	$	(312.5)

Three Months Ended March 31, 2022

	Foreign Currency Translation		Other		Accumulated Other Comprehensive Income (Loss)
Balance at December 31, 2021	$	(174.4)	$	5.6	$	(168.8)
Other comprehensive income (loss) before reclassifications	(28.1)		(1.2)		(29.3)
Amounts reclassified from accumulated other comprehensive income (loss) — net of tax	—		—		—
Net current period other comprehensive income (loss)	(28.1)		(1.2)		(29.3)
Balance at March 31, 2022	$	(202.5)	$	4.4	$	(198.1)