Multiemployer Pension Plans (Tables)

12 Months Ended

Dec. 31, 2023

Multiemployer Plan [Abstract]

Multiemployer Plans

		Pension Protection Act Zone Status		Contributions of AutoNation ($ in millions) (1)							Expiration Date of Collective-Bargaining Agreement
Pension Fund	EIN/Pension Plan Number	2023	2022	2023		2022		2021		Surcharge Imposed (2)
Automotive Industries Pension Plan	94-1133245 - 001	Red	Red	$	1.2	$	1.3	$	1.2	Yes	(3)
IAM National Pension Fund	51-6031295- 002	Red	Red	0.2		0.2		0.2		Yes	(4)
Other funds				0.1		0.1		0.1
Total contributions				$	1.5	$	1.6	$	1.5

(1)    Our stores were not listed in the Automotive Industries Pension Plan’s or IAM National Pension Fund’s Form 5500 as providing more than 5% of the total contributions for the plan years ended December 31, 2022 or 2021.

(2)    We paid surcharges to the Automotive Industries Pension Plan of $0.6 million, $0.6 million, and $0.5 million in 2023, 2022, and 2021 respectively. Surcharges to the IAM National Pension Fund were de minimis.

(3)    We are party to three collective-bargaining agreements that require contributions to the Automotive Industries Pension Plan with expiration dates of April 30, 2024, May 31, 2024, and December 31, 2025.

(4)    We are party to two collective-bargaining agreements that require contributions to the IAM National Pension Fund. Both agreements have an expiration date of August 31, 2025.