Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash Flows from Operating Activities
Net Income	$ 29,951	$ 228,561
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and long-lived asset impairments	68,689	65,786
Amortization of lease right-of-use asset	33,473	36,774
Net pension benefit	(90,971)	(45,413)
Loss (gain) on marketable equity securities and cost method investments, net	118,628	(165,257)
Gain on disposition of businesses, property, plant and equipment and investments, net	(2,265)	(15,080)
Provision for doubtful trade receivables	2,218	2,506
Stock-based compensation expense, net of forfeitures	3,102	3,060
Foreign exchange loss (gain)	1,525	(680)
Equity in earnings of affiliates, net of distributions	2,036	(5,053)
Provision for deferred income taxes	5,795	52,856
Accretion expense and change in fair value of contingent consideration liabilities	(2,655)	(2,679)
Change in operating assets and liabilities:
Accounts receivable, net	126,006	38,541
Inventories	(36,360)	(4,971)
Accounts payable and accrued liabilities	(37,455)	(15,592)
Deferred revenue	(59,558)	(61,591)
Income taxes receivable/payable	(8,284)	10,681
Lease liabilities	(40,872)	(41,655)
Other assets and other liabilities, net	(15,834)	(9,343)
Other	2,239	1,394
Net Cash Provided by Operating Activities	99,408	72,845
Cash Flows from Investing Activities
Proceeds from sales of marketable equity securities	74,233	37,629
Purchases of property, plant and equipment	(32,154)	(27,502)
Purchases of marketable equity securities	(31,468)	(48,036)
Investments in equity affiliates, cost method and other investments	(27,950)	(4,910)
Investments in certain businesses, net of cash acquired	(3,053)	(272,428)
Net proceeds from disposition of businesses, property, plant and equipment, and investments	2,324	4,735
Return of investment in equity affiliates	152	4
Net Cash Used in Investing Activities	(17,916)	(310,508)
Cash Flows from Financing Activities
Net payments under revolving credit facilities	(47,000)	(2,304)
Common shares repurchased	(34,303)	0
Dividends paid	(15,465)	(15,106)
Net proceeds from (repayments of) vehicle floor plan payable	14,121	(9,591)
Repayments of borrowings	(7,580)	(2,071)
(Repayments of) proceeds from bank overdrafts	6,073	4,433
Deferred payments of acquisition	(4,731)	(30,866)
Proceeds from exercise of stock options	1,437	0
Purchase of noncontrolling interest	0	(3,508)
Issuance of borrowings	0	121
Other	(2,123)	(283)
Net Cash Used in Financing Activities	(89,571)	(59,175)
Effect Of Currency Exchange Rate Change	(4,901)	(684)
Net Decrease in Cash and Cash Equivalents and Restricted Cash	(12,980)	(297,522)
Beginning Cash and Cash Equivalents and Restricted Cash	158,843	423,054
Ending Cash and Cash Equivalents and Restricted Cash	$ 145,863	$ 125,532