Accounts Receivable, Accounts Payable, Vehicle Floor Plan Payable and Accrued Liabilities (Narrative) (Details) - USD ($)		3 Months Ended		9 Months Ended
	Sep. 26, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Accounts Receivable, Accounts Payable, Vehicle Floor Plan Payable and Accrued Liabilities [Line Items]
Credit loss expense		$ 2,400,000	$ 600,000	$ 4,312,000	$ 2,831,000
Cash overdrafts		$ 4,300,000		$ 4,300,000		$ 500,000
Weighted average interest rate		6.20%	4.90%	6.00%	4.60%
Automotive [Member]
Accounts Receivable, Accounts Payable, Vehicle Floor Plan Payable and Accrued Liabilities [Line Items]
Borrowing capacity		$ 142,900,000		$ 142,900,000
Floor plan assistance		$ 1,600,000	$ 1,400,000	$ 4,500,000	$ 3,400,000
Truist and Toyota Floor Plan Facility [Member] | Automotive [Member]
Accounts Receivable, Accounts Payable, Vehicle Floor Plan Payable and Accrued Liabilities [Line Items]
Borrowing capacity	$ 115,000,000
Truist and Toyota Floor Plan Facility [Member] | Automotive [Member] | Secured Overnight Financing Rates (SOFR) [Member]
Accounts Receivable, Accounts Payable, Vehicle Floor Plan Payable and Accrued Liabilities [Line Items]
Applicable interest rate margin	1.25%
Vehicle Floor Plan Facility [Member] | Automotive [Member]
Accounts Receivable, Accounts Payable, Vehicle Floor Plan Payable and Accrued Liabilities [Line Items]
Weighted average interest rate		6.60%	3.50%	6.00%	2.60%