Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash Flows from Operating Activities
Net Income	$ 125,339,000	$ 52,977,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and long-lived asset impairments	33,278,000	34,714,000
Amortization of lease right-of-use asset	16,866,000	16,492,000
Net pension benefit and special separation benefit expense	(29,056,000)	(23,162,000)
Gain on marketable equity securities and cost method investments, net	(103,746,000)	(19,853,000)
Gain on disposition of property, plant and equipment and investments, net	(487,000)	(1,053,000)
Credit loss expense and provision for other receivables	1,696,000	15,000
Stock-based compensation expense, net of forfeitures	1,444,000	1,802,000
Foreign exchange (gain) loss	(617,000)	1,504,000
Equity in earnings of affiliates, net of distributions	(131,000)	(4,655,000)
Provision for (benefit from) deferred income taxes	12,255,000	(1,781,000)
Change in operating assets and liabilities:
Accounts receivable, net	21,523,000	47,244,000
Inventories	(28,754,000)	(19,318,000)
Accounts payable and accrued liabilities	(43,762,000)	(48,264,000)
Deferred revenue	(1,130,000)	4,614,000
Income taxes receivable/payable	27,161,000	17,274,000
Lease liabilities	(16,424,000)	(16,182,000)
Other assets and other liabilities, net	(14,958,000)	(18,800,000)
Other	570,000	(757,000)
Net Cash Provided by Operating Activities	1,067,000	22,811,000
Cash Flows from Investing Activities
Purchases of property, plant and equipment	(21,258,000)	(22,554,000)
Investments in equity affiliates, cost method investments	(526,000)	(4,735,000)
Net proceeds from disposition of property, plant and equipment, and investments	495,000	2,706,000
Proceeds from sales of marketable equity securities	0	29,028,000
Purchases of marketable equity securities	0	(6,162,000)
Other	327,000	(237,000)
Net Cash Used in Investing Activities	(20,962,000)	(1,954,000)
Cash Flows from Financing Activities
Net proceeds from vehicle floor plan payable	26,803,000	7,196,000
Common shares repurchased	(20,028,000)	(23,439,000)
Net borrowings (payments) under revolving credit facilities	9,245,000	(33,000,000)
Dividends paid	(7,678,000)	(7,910,000)
Repayments of borrowings	(4,902,000)	(3,999,000)
Proceeds from bank overdrafts	757,000	3,153,000
Other	(2,671,000)	197,000
Net Cash Provided by (Used in) Financing Activities	1,526,000	(57,802,000)
Effect Of Currency Exchange Rate Change	(4,539,000)	1,235,000
Net Decrease in Cash and Cash Equivalents and Restricted Cash	(22,908,000)	(35,710,000)
Beginning Cash and Cash Equivalents and Restricted Cash	201,891,000	190,432,000
Ending Cash and Cash Equivalents and Restricted Cash	$ 178,983,000	$ 154,722,000