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EQUITY (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2024
Equity [Abstract] |
Schedule of Share Repurchases | Share repurchases under our authorization were as follows:
|  | Repurchases Occurring in 2024 |  | Cumulative Repurchases as of March 31, 2024
|  | Shares |  | Average Price |  | Shares |  | Average Price
Share Repurchase Authorization |  | — |  |  | $ | — |  |  | 7,047,510 |  |  | $ | 174.96 |

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- Definition Tabular disclosure of stock repurchased and retired during the period. + References No definition available. + Details
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Namespace Prefix: | lad_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration