Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current Assets
Cash and cash equivalents	$ 111,738	$ 169,319
Restricted cash	40,468	20,467
Investments in marketable equity securities and other investments	661,306	622,408
Accounts receivable, net	468,363	560,779
Inventories and contracts in progress	259,224	226,811
Prepaid expenses	119,100	97,450
Income taxes receivable	2,048	9,313
Other current assets	3,683	1,547
Total Current Assets	1,665,930	1,708,094
Property, Plant and Equipment, Net	511,182	503,000
Lease Right-of-Use Assets	420,357	429,403
Investments in Affiliates	198,261	186,419
Goodwill, Net	1,568,020	1,560,953
Indefinite-Lived Intangible Assets	181,026	178,934
Amortized Intangible Assets, Net	134,363	161,422
Prepaid Pension Cost	1,684,914	1,658,046
Deferred Income Taxes	6,850	6,812
Deferred Charges and Other Assets (includes $174 and $646 of restricted cash)	233,055	189,132
Total Assets	6,603,958	6,582,215
Current Liabilities
Accounts payable and accrued liabilities	559,153	563,005
Deferred revenue	319,549	381,416
Income taxes payable	10,305	3,766
Current portion of lease liabilities	70,431	70,007
Current portion of long-term debt	141,161	155,813
Dividends declared	7,788	0
Total Current Liabilities	1,108,387	1,174,007
Accrued Compensation and Related Benefits	137,588	134,921
Other Liabilities	32,974	37,506
Deferred Income Taxes	485,467	466,275
Mandatorily Redeemable Noncontrolling Interest	31,136	30,845
Lease Liabilities	383,318	393,626
Long-Term Debt	565,564	570,547
Total Liabilities	2,744,434	2,807,727
Commitments and Contingencies (Note 14)
Redeemable Noncontrolling Interests	26,999	21,827
Preferred Stock	0	0
Common Stockholders’ Equity
Common stock	20,000	20,000
Capital in excess of par value	385,399	390,438
Retained earnings	7,314,654	7,163,128
Accumulated other comprehensive income, net of taxes
Cumulative foreign currency translation adjustment	(43,260)	(54,638)
Unrealized gain on pensions and other postretirement plans	373,453	388,591
Cash flow hedges	2,397	2,198
Cost of Class B common stock held in treasury	(4,243,166)	(4,178,334)
Total Common Stockholders’ Equity	3,809,477	3,731,383
Noncontrolling Interests	23,048	21,278
Total Equity	3,832,525	3,752,661
Total Liabilities and Equity	$ 6,603,958	$ 6,582,215