Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash Flows from Operating Activities
Net Income	$ 52,977,000	$ 96,566,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and long-lived asset impairments	34,714,000	34,387,000
Amortization of lease right-of-use asset	16,492,000	17,569,000
Net pension benefit and special separation benefit expense	(23,162,000)	(44,782,000)
Gain on marketable equity securities and cost method investments, net	(19,853,000)	(46,912,000)
Gain on disposition of property, plant and equipment and investments, net	(1,053,000)	(1,593,000)
Credit loss expense and provision for other receivables	15,000	1,503,000
Stock-based compensation expense	1,802,000	1,677,000
Foreign exchange loss	1,504,000	1,047,000
Equity in earnings of affiliates, net of distributions	(4,655,000)	2,020,000
(Benefit from) provision for deferred income taxes	(1,781,000)	16,182,000
Contingent consideration accretion expense	315,000	76,000
Change in operating assets and liabilities:
Accounts receivable, net	54,245,000	89,228,000
Inventories	(19,318,000)	(15,298,000)
Accounts payable and accrued liabilities	(48,264,000)	(78,819,000)
Deferred revenue	(2,387,000)	(9,037,000)
Income taxes receivable/payable	17,274,000	18,392,000
Lease liabilities	(16,182,000)	(20,247,000)
Other assets and other liabilities, net	(18,800,000)	(18,549,000)
Other	(1,072,000)	1,482,000
Net Cash Provided by Operating Activities	22,811,000	44,892,000
Cash Flows from Investing Activities
Proceeds from sales of marketable equity securities	29,028,000	55,731,000
Purchases of property, plant and equipment	(22,554,000)	(14,207,000)
Purchases of marketable equity securities	(6,162,000)	0
Investments in equity affiliates, cost method and other investments	(4,735,000)	(23,698,000)
Net proceeds from disposition of property, plant and equipment, and investments	2,706,000	1,334,000
Other	(237,000)	363,000
Net Cash (Used in) Provided by Investing Activities	(1,954,000)	19,523,000
Cash Flows from Financing Activities
Net payments under revolving credit facilities	(33,000,000)	(37,000,000)
Common shares repurchased	(23,439,000)	(9,527,000)
Dividends paid	(7,910,000)	(7,749,000)
Net proceeds from (repayments of) vehicle floor plan payable	7,196,000	(3,889,000)
Repayments of borrowings	(3,999,000)	(977,000)
Proceeds from (repayments of) bank overdrafts	3,153,000	(2,868,000)
Deferred payments of acquisition	(161,000)	(3,294,000)
Other	358,000	942,000
Net Cash Used in Financing Activities	(57,802,000)	(64,362,000)
Effect Of Currency Exchange Rate Change	1,235,000	(208,000)
Net Decrease in Cash and Cash Equivalents and Restricted Cash	(35,710,000)	(155,000)
Beginning Cash and Cash Equivalents and Restricted Cash	190,432,000	158,843,000
Ending Cash and Cash Equivalents and Restricted Cash	$ 154,722,000	$ 158,688,000