Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current Assets
Cash and cash equivalents	$ 169,897	$ 169,319
Restricted cash	31,994	20,467
Investments in marketable equity securities and other investments	697,028	622,408
Accounts receivable, net	525,087	531,941
Inventories and contracts in progress	297,211	226,811
Prepaid expenses	119,933	97,450
Income taxes receivable	6,848	9,313
Other current assets	1,298	1,547
Total Current Assets	1,849,296	1,679,256
Property, Plant and Equipment, Net	560,314	503,000
Lease Right-of-Use Assets	409,183	429,403
Investments in Affiliates	186,480	186,419
Goodwill, Net	1,525,194	1,560,953
Indefinite-Lived Intangible Assets	187,862	178,934
Amortized Intangible Assets, Net	112,194	161,422
Prepaid Pension Cost	2,113,638	1,658,046
Deferred Income Taxes	10,578	6,812
Deferred Charges and Other Assets (includes $0 and $646 of restricted cash)	232,991	189,132
Total Assets	7,187,730	6,553,377
Current Liabilities
Accounts payable, vehicle floor plan payable and accrued liabilities	694,521	574,287
Deferred revenue	396,754	341,296
Income taxes payable	7,406	3,766
Current portion of lease liabilities	64,247	70,007
Current portion of long-term debt	66,751	155,813
Total Current Liabilities	1,229,679	1,145,169
Accrued Compensation and Related Benefits	137,275	134,921
Other Liabilities	32,076	37,506
Deferred Income Taxes	600,124	466,275
Mandatorily Redeemable Noncontrolling Interest	40,764	30,845
Lease Liabilities	376,677	393,626
Long-Term Debt	745,082	570,547
Total Liabilities	3,161,677	2,778,889
Commitments and Contingencies (Note 18)
Redeemable Noncontrolling Interests	24,185	21,827
Preferred Stock, $1 par value; 977,000 shares authorized, none issued	0	0
Common Stockholders’ Equity
Capital in excess of par value	372,040	390,438
Retained earnings	7,337,463	7,163,128
Accumulated other comprehensive income, net of taxes
Cumulative foreign currency translation adjustment	(32,711)	(54,638)
Unrealized gain on pensions and other postretirement plans	649,185	388,591
Cash flow hedges	(2,137)	2,198
Cost of 15,521,190 and 15,213,398 shares of Class B common stock held in treasury	(4,368,103)	(4,178,334)
Total Common Stockholders’ Equity	3,975,737	3,731,383
Noncontrolling Interests	26,131	21,278
Total Equity	4,001,868	3,752,661
Total Liabilities and Equity	7,187,730	6,553,377
Class A Common Stock [Member]
Common Stockholders’ Equity
Common stock	964	964
Class B Common Stock [Member]
Common Stockholders’ Equity
Common stock	$ 19,036	$ 19,036