This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

+ Details

Name:	us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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_BusinessCombinationSeparatelyRecognizedTransactionsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of businesses acquired by the entity during the period.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfBusinessesAcquired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Business Combinations - Narrative (Details) $ in Millions	12 Months Ended
Business Combinations - Narrative (Details) $ in Millions	Dec. 31, 2024 USD ($) dealership franchise	Dec. 31, 2023 shop center dealership franchise
Business Combination, Separately Recognized Transactions [Line Items]
Revenue from date of acquisition of companies acquired \| $	$ 1,200.0
Pre-tax income from date of acquisition of companies acquired \| $	$ 27.8
U.K. \| Retail automotive dealership \| Franchised Dealerships
Business Combination, Separately Recognized Transactions [Line Items]
Number of franchises acquired	16
Italy \| Retail automotive dealership \| Franchised Dealerships
Business Combination, Separately Recognized Transactions [Line Items]
Number of franchises acquired	2	2
Italy \| Retail automotive dealership \| Body Shops
Business Combination, Separately Recognized Transactions [Line Items]
Number of franchises acquired \| shop		1
AUSTRALIA \| Retail automotive dealership \| Franchised Dealerships
Business Combination, Separately Recognized Transactions [Line Items]
Number of franchises acquired	3
AUSTRALIA \| Retail automotive dealership \| CarShop Used Vehicle Dealerships
Business Combination, Separately Recognized Transactions [Line Items]
Number of franchises acquired \| dealership	1
AUSTRALIA \| Commercial vehicle distribution and other \| Service Centers
Business Combination, Separately Recognized Transactions [Line Items]
Number of franchises acquired \| center		1
U.S. \| Retail automotive dealership \| Franchised Dealerships
Business Combination, Separately Recognized Transactions [Line Items]
Number of franchises acquired		2
U.S. \| Retail automotive dealership \| Franchised Dealerships \| Ford \| Nonrelated Party
Business Combination, Separately Recognized Transactions [Line Items]
Number of franchises acquired	1
U.S. \| Retail commercial truck dealership \| Franchised Dealerships \| Full-Service Dealership
Business Combination, Separately Recognized Transactions [Line Items]
Number of franchises acquired \| dealership	3
U.S. \| Retail commercial truck dealership \| Franchised Dealerships \| Collision Center
Business Combination, Separately Recognized Transactions [Line Items]
Number of franchises acquired \| dealership	2
Canada \| Retail automotive dealership \| Service And Parts
Business Combination, Separately Recognized Transactions [Line Items]
Number of franchises acquired \| center		2
Canada \| Retail commercial truck dealership \| Franchised Dealerships \| Full-Service Dealership
Business Combination, Separately Recognized Transactions [Line Items]
Number of franchises acquired \| dealership		3