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- Definition

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

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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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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

Contractual interest rate for funds borrowed, under the debt agreement.

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Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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

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Acquisitions and Dispositions of Businesses (Acquisitions) (Narrative) (Details) $ in Thousands	1 Months Ended					12 Months Ended
	May 31, 2024 business	Jan. 31, 2024 business	Dec. 31, 2023 USD ($) business	Jul. 31, 2023 business	Jan. 31, 2023 business	Dec. 31, 2023 USD ($) business	Jun. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)
Business Acquisition [Line Items]
Acquisition purchase price						$ 83,300
Vehicle floor plan payable			$ 148,300			148,300	$ 174,911
Goodwill expected to be deductible for income tax purposes			$ 45,000			$ 45,000
Number of businesses acquired \| business						5
Automotive [Member]
Business Acquisition [Line Items]
Number of businesses acquired \| business						1
Graham Healthcare Group [Member]
Business Acquisition [Line Items]
Number of businesses acquired \| business			1		2	3
Other Segments
Business Acquisition [Line Items]
Number of businesses acquired \| business		1		1		1
CSI Pharmacy Holding Company, LLC
Business Acquisition [Line Items]
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests			$ 20,000
CSI Pharmacy Holding Company, LLC \| Promissory Note for CSI Minority Shares
Business Acquisition [Line Items]
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests			$ 15,000
Interest rate			8.00%			8.00%
CSI Pharmacy Holding Company, LLC \| Cash Paid for CSI Minority Shares
Business Acquisition [Line Items]
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests			$ 5,000
Graham Holdings Company [Member] \| CSI Pharmacy Holding Company, LLC
Business Acquisition [Line Items]
Percentage Ownership After Change in Noncontrolling Interest							86.70%
Auto dealerships [Member] \| Automotive [Member]
Business Acquisition [Line Items]
Amount Borrowed to Finance Business Acquisition								$ 37,000
Vehicle floor plan payable								$ 2,200
Kaplan International [Member] \| Education [Member]
Business Acquisition [Line Items]
Number of businesses acquired \| business	1