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Multiemployer Pension Plans (Tables) | 12 Months Ended
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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.

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