Acquisitions and Dispositions of Businesses (Assets Acquired and Liabilities Assumed) (Details 1) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Goodwill	$ 1,567,594	$ 1,560,953
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Accounts receivable		3,172
Inventory		21,278
Property, plant and equipment		36,255
Lease right-of-use assets		4,773
Goodwill		56,163
Indefinite-lived intangible assets		41,800
Amortized intangible assets		1,200
Other assets		481
Deferred income tax asset		241
Floor plan payables		(10,908)
Other liabilities		(3,798)
Current and noncurrent lease liabilities		(5,865)
Redeemable noncontrolling interest		(2,164)
Noncontrolling interest		(512)
Aggregate purchase price, net of cash acquired		$ 142,116