XML 303 R63.htm IDEA: XBRL DOCUMENT
v3.24.3

EQUITY AND REDEEMABLE NON-CONTROLLING INTEREST - Redeemable Non-Controlling Interest, Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Aug. 31, 2024 | Dec. 31, 2021 | Sep. 30, 2024
Noncontrolling Interest [Line Items] |  |  |
Redeemable non-controlling interest, redemption feature, period |  | 3 years |
Pfaff Automotive |  |  |
Noncontrolling Interest [Line Items] |  |  |
Ownership percentage |  |  | 100.00%
Additional premium on redeemable noncontrolling interest | $ 11.6 |  |
Pfaff Automotive |  |  |
Noncontrolling Interest [Line Items] |  |  |
Remaining ownership percentage acquired | 10.10% |  |
Total consideration for purchase of redeemable noncontrolling interest | $ 58.8 |  |

X
- Definition Net Income Attributable To Redeemable Noncontrolling Interest, Premium On Noncontrolling Interest Buy Out + References No definition available. + Details
Name: | lad_NetIncomeAttributableToRedeemableNoncontrollingInterestPremiumOnNoncontrollingInterestBuyOut
Namespace Prefix: | lad_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Redeemable Non-controlling Interest, Redemption Feature, Period + References No definition available. + Details
Name: | lad_RedeemableNonControllingInterestRedemptionFeaturePeriod
Namespace Prefix: | lad_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Redeemable Noncontrolling Interest, Ownership Percentage Acquired + References No definition available. + Details
Name: | lad_RedeemableNoncontrollingInterestOwnershipPercentageAcquired
Namespace Prefix: | lad_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_MinorityInterestLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The cash outflow associated with the purchase of noncontrolling interest during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-13 + Details
Name: | us-gaap_PaymentsToAcquireAdditionalInterestInSubsidiaries
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_OwnershipAxis=lad_PfaffAutomotivePartnersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=lad_PfaffAutomotivePartnersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |