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v3.25.2

Business Acquisitions and Dispositions - Additional Information (Details) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2025 USD ($) | Mar. 31, 2025 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) retail_Units | Jun. 30, 2024 USD ($) Business retail_Units | Dec. 31, 2024 USD ($)
Mid-line import franchise |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Net cash generated from disposition |  |  |  |  | $ 3,400,000 |
Luxury Dealership [Domain] |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Number of franchises disposed | retail_Units |  |  |  |  | 2 |
Number of franchises disposed | Business |  |  |  |  | 1 |
Number of franchises terminated | retail_Units |  |  |  | 1 |  |
Number of acquired franchises | retail_Units |  |  |  |  | 0 |
Business Combination, Recognized Asset Acquired, Inventory, Current | $ 135,600,000 |  |  | $ 135,600,000 |  |
Business Combination, Recognized Asset Acquired, Property, Plant, and Equipment | 8,000,000.0 |  |  | 8,000,000.0 |  |
Business Combination, Recognized Liability Assumed, Other Liability, Current | (700,000) |  |  | (700,000) |  |
PY Acq GW Allocations Fdealer |  | $ 93,500,000 |  | (300,000) |  |
PY Acq GW Allocations Powersports |  | $ 0 |  | 0 |  |
number of powersport stores with GW Adjustment |  |  |  |  |  |
Gain on Franchise Disposal | 2,400,000 |  |  | 2,700,000 |  |
Excluded non-recurring compensation-related charges |  |  | $ 11,200,000 |  |  |
GainLossOnExitOfLeasedDealerships | (800,000) |  | (3,000,000.0) | (1,000,000.0) | $ (3,000,000.0) |
Impairment charges | (172,400,000) |  | 1,400,000 | (173,800,000) | (2,400,000) |
Excluded storm-related physical damage and legal costs | 4,100,000 |  | 3,600,000 | 5,000,000.0 | 3,600,000 |
Business Combination, Pro Forma Information, Pro Forma Revenue |  |  |  | 7,585,300,000 |  |
Business Acquisition, Pro Forma Earnings |  |  |  | 36,700,000 |  |
Business Combination, Acquiree's Revenue, Prior Period |  |  |  |  |  | $ 14,735,400,000
Business Acquisition, Earnings Reported by Acquired Entity for Last Annual Period |  |  |  |  |  | $ 283,400,000
Business Combination, Goodwill, Expected Tax Deductible, Amount | 215,500,000 |  |  | 215,500,000 |  |
Business Combination, Acquisition-Related Cost, Expense |  |  |  | 0 |  |
Excluded non-recurring compensation-related charges |  |  | 11,200,000 |  |  |
Excluded storm-related physical damage and legal costs | 4,100,000 |  | 3,600,000 | 5,000,000.0 | 3,600,000 |
Gain on Franchise Disposal | 2,400,000 |  |  | 2,700,000 |  |
Impairment charges | (172,400,000) |  | 1,400,000 | (173,800,000) | (2,400,000) |
GainLossOnExitOfLeasedDealerships | (800,000) |  | (3,000,000.0) | (1,000,000.0) | (3,000,000.0) |
JLR 4 Pack [Member] |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Business Combination, Recognized Asset Acquired, Other Asset, Current | 1,500,000 |  |  | 1,500,000 |  |
Payments to Acquire Businesses, Gross |  |  |  | (359,900,000) |  |
number of powersport stores with GW Adjustment |  |  |  |  |  |
Payments to Acquire Businesses, Gross |  |  |  | (359,900,000) |  |
CDK Outage Impact [Member] |  |  |  |  |  |
number of powersport stores with GW Adjustment |  |  |  |  |  |
Excluded non-recurring compensation-related charges |  |  |  |  | 11,200,000 |
Excluded non-recurring compensation-related charges |  |  |  |  | 11,200,000 |
Powersports Segment |  |  |  |  |  |
number of powersport stores with GW Adjustment |  |  |  |  |  |
Impairment charges | 6,500,000 |  |  | 7,200,000 |  |
Other Asset Impairment Charges |  |  |  | 400,000 |  |
Impairment charges | $ 6,500,000 |  |  | 7,200,000 |  |
EchoPark Segment [Member] |  |  |  |  |  |
number of powersport stores with GW Adjustment |  |  |  |  |  |
Impairment charges |  |  |  | 200,000 | 1,400,000 |
Impairment charges |  |  |  | $ 200,000 | 1,400,000 |
EchoPark Segment [Member] | CDK Outage Impact [Member] |  |  |  |  |  |
number of powersport stores with GW Adjustment |  |  |  |  |  |
Excluded non-recurring compensation-related charges |  |  | 400,000 |  | 400,000 |
Excluded non-recurring compensation-related charges |  |  | $ 400,000 |  | $ 400,000 |

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