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Amount Borrowed to Finance Business Acquisition

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Interest Rate on Advance to Minority Shareholder

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Management fee payable by the Company in connection with management services provided under the management services agreement

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

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

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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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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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Fixed interest rate related to the interest rate derivative.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of loans from a bank with maturities initially due after one year or beyond the normal operating cycle if longer.

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

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Represents the number of restaurants.

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Represents the number of stores.

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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		12 Months Ended
	Sep. 30, 2019 business	Mar. 31, 2020 USD ($) business	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($) business	Dec. 02, 2019 USD ($)	Dec. 01, 2019 USD ($)	Jul. 31, 2019 Restaurants	Jul. 11, 2019	Jan. 31, 2019 USD ($)
Business Acquisition [Line Items]
Number of businesses acquired \| business				8
Acquisition purchase price				$ 211,800,000
Floor plan payables				25,800,000
Purchase Price Net of Cash		$ 6,011,000	$ 83,721,000
Goodwill expected to be deductible for income tax purposes				$ 70,700,000
Automotive [Member]
Business Acquisition [Line Items]
Floor plan payables		$ 42,600,000
Education [Member]
Business Acquisition [Line Items]
Number of businesses acquired \| business		2		1
Education [Member] \| Professional (U.S.) [Member]
Business Acquisition [Line Items]
Number of businesses acquired \| business		1
Education [Member] \| Kaplan International [Member]
Business Acquisition [Line Items]
Number of businesses acquired \| business		1
Education [Member] \| Kaplan International [Member] \| Heverald [Member]
Business Acquisition [Line Items]
Percentage of interest acquired								100.00%
Manufacturing [Member]
Business Acquisition [Line Items]
Number of businesses acquired \| business				1
Manufacturing [Member] \| Joyce/Dayton Corp. [Member]
Business Acquisition [Line Items]
Number of businesses acquired \| business	1
Other Businesses [Member]
Business Acquisition [Line Items]
Number of businesses acquired \| business				3
Other Businesses [Member] \| Clyde's Restaurant Group [Member]
Business Acquisition [Line Items]
Number of Restaurants \| Restaurants							13
Other Businesses [Member] \| Auto dealerships [Member]
Business Acquisition [Line Items]
Percentage of interest acquired									90.00%
Management Fee				$ 2,300,000
Advances to Affiliate									$ 3,500,000
Interest Rate on Advance to Minority Shareholder									6.00%
Percentage of Shares Eligible to be Redeemed									10.00%
Amount Borrowed to Finance Business Acquisition									$ 30,000,000
Derivative, Fixed Interest Rate									4.70%
Number of Stores									2
Graham Healthcare Group [Member]
Business Acquisition [Line Items]
Percentage of interest acquired							100.00%
Number of businesses acquired \| business				3
Graham Healthcare Group [Member] \| CSI Pharmacy Holding Company, LLC [Member] [Member]
Business Acquisition [Line Items]
Percentage of interest acquired						75.00%
Redeemable noncontrolling interest						$ 1,700,000
Pinnacle Bank Term Loan [Member]
Business Acquisition [Line Items]
Loans Payable to Bank		$ 11,109,000		$ 11,203,000
Pinnacle Bank Term Loan [Member] \| Graham Healthcare Group [Member]
Business Acquisition [Line Items]
Loans Payable to Bank					$ 11,250,000
Pinnacle Bank Term Loan [Member] \| Graham Healthcare Group [Member] \| CSI Pharmacy Holding Company, LLC [Member] [Member]
Business Acquisition [Line Items]
Loans Payable to Bank					$ 11,250,000
Maximum [Member] \| CSI Pharmarcy [Member]
Business Acquisition [Line Items]
Percentage of Shares Eligible to be Redeemed						50.00%