Amount Borrowed to Finance Business Acquisition

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- Definition

Value of liabilities assumed at the acquistion date related to acquiree's stock compensation plan

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- Definition

Percentage of share minority shareholders may put to the Company through redeemable noncontrolling interest

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- Definition

The amount borrowed to finance the purchase of specific vehicle inventories.

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- Definition

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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No definition available.

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- 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.

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No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

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.

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- 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.

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- Definition

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

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- Definition

Represents the number of stores.

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No definition available.

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- Definition

Fair value of noncontrolling interests which are redeemable by the parent entity and classified as other equity.

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Acquisitions and Dispositions of Businesses (Acquisitions) (Narrative) (Details)		1 Months Ended				3 Months Ended	9 Months Ended	12 Months Ended
	Jun. 14, 2021 USD ($)	Aug. 31, 2022 business	May 31, 2022 business	Dec. 31, 2021 USD ($) business	Nov. 30, 2021 business	Sep. 30, 2022 USD ($)	Sep. 30, 2022 USD ($) business campus	Dec. 31, 2021 USD ($) business	Jul. 31, 2022	Jul. 05, 2022 USD ($) store	Dec. 28, 2021 USD ($)	Sep. 30, 2021 USD ($)
Business Acquisition [Line Items]
Number of businesses acquired							7	6
Acquisition purchase price							$ 142,800,000	$ 392,400,000
Business Acquisition, Transaction Costs						$ 1,600,000	1,600,000					$ 1,600,000
Goodwill expected to be deductible for income tax purposes				$ 80,100,000		38,000,000	38,000,000	$ 80,100,000
Revenues of acquired companies since acquisition date						73,200,000	74,700,000
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual						2,400,000	$ 2,200,000
Education [Member]
Business Acquisition [Line Items]
Number of businesses acquired \| business					1			2
Other Businesses [Member]
Business Acquisition [Line Items]
Number of businesses acquired \| business								1
Other Businesses [Member] \| Leaf Group [Member]
Business Acquisition [Line Items]
Stock Compensation Liabilities Assumed	$ 9,200,000
Acquisition purchase price	$ 308,600,000
Graham Healthcare Group [Member]
Business Acquisition [Line Items]
Number of businesses acquired \| business		2	2	2			5	2
Graham Healthcare Group [Member] \| Weiss \| Maximum [Member]
Business Acquisition [Line Items]
Percentage of Shares Eligible to be Redeemed				10.00%				10.00%
Graham Healthcare Group [Member] \| Weiss
Business Acquisition [Line Items]
Percentage of interest acquired				50.10%				50.10%
Redeemable noncontrolling interest				$ 6,600,000				$ 6,600,000
Graham Healthcare Group [Member] \| Applied Behavior Analysis clinics
Business Acquisition [Line Items]
Percentage of interest acquired									100.00%
Automotive [Member]
Business Acquisition [Line Items]
Number of businesses acquired \| business							2	1
Floor plan payables						$ 55,000,000	$ 55,000,000
Automotive [Member] \| Auto dealerships [Member]
Business Acquisition [Line Items]
Amount Borrowed to Finance Business Acquisition										$ 77,400,000
Floor plan payables										$ 10,900,000
Number of Stores \| store										2
Automotive [Member] \| Ford auto dealership
Business Acquisition [Line Items]
Amount Borrowed to Finance Business Acquisition											$ 22,500,000
Floor plan payables											$ 16,600,000