Accumulated Other Comprehensive Income (Loss) (Tables)

9 Months Ended

Sep. 30, 2024

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 during the three and nine months ended September 30, 2024 and 2023, respectively, attributable to Penske Automotive Group common stockholders follows:

Three Months Ended September 30, 2024

	Foreign Currency Translation		Other		Accumulated Other Comprehensive Income (Loss)
Balance at June 30, 2024	$	(296.9)	$	(2.8)	$	(299.7)
Other comprehensive income (loss), net of tax	95.1		(7.8)		87.3
Balance at September 30, 2024	$	(201.8)	$	(10.6)	$	(212.4)

Three Months Ended September 30, 2023

	Foreign Currency Translation		Other		Accumulated Other Comprehensive Income (Loss)
Balance at June 30, 2023	$	(276.8)	$	1.0	$	(275.8)
Other comprehensive income (loss), net of tax	(65.9)		0.1		(65.8)
Balance at September 30, 2023	$	(342.7)	$	1.1	$	(341.6)

Nine Months Ended September 30, 2024

	Foreign Currency Translation		Other		Accumulated Other Comprehensive Income (Loss)
Balance at December 31, 2023	$	(262.6)	$	(1.5)	$	(264.1)
Other comprehensive income (loss), net of tax	60.8		(9.1)		51.7
Balance at September 30, 2024	$	(201.8)	$	(10.6)	$	(212.4)

Nine Months Ended September 30, 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), net of tax	(14.6)		8.3		(6.3)
Balance at September 30, 2023	$	(342.7)	$	1.1	$	(341.6)