Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Current Assets
Cash and cash equivalents	$ 295,672	$ 200,165
Restricted cash	11,072	13,879
Investments in marketable equity securities and other investments	506,246	599,967
Accounts receivable, net	474,256	624,216
Inventories and contracts in progress	124,258	120,834
Prepaid expenses	73,426	92,289
Income taxes receivable	33,115	10,735
Other current assets	976	1,400
Total Current Assets	1,519,021	1,663,485
Property, Plant and Equipment, Net	379,010	384,670
Lease Right-of-Use Assets	486,691	526,417
Investments in Affiliates	157,529	162,249
Goodwill, Net	1,458,194	1,388,279
Indefinite-Lived Intangible Assets	117,841	140,197
Amortized Intangible Assets, Net	218,125	233,481
Prepaid Pension Cost	1,322,151	1,292,350
Deferred Income Taxes	5,362	11,629
Deferred Charges and Other Assets (includes $4,509 and $0 of restricted cash)	147,589	128,479
Total Assets	5,811,513	5,931,236
Current Liabilities
Accounts payable and accrued liabilities	500,335	507,701
Deferred revenue	309,142	355,156
Income taxes payable	4,401	4,121
Current portion of lease liabilities	88,218	92,714
Current portion of long-term debt	6,104	82,179
Dividends declared	7,259	0
Total Current Liabilities	915,459	1,041,871
Accrued Compensation and Related Benefits	202,647	193,836
Other Liabilities	62,471	27,223
Deferred Income Taxes	407,429	427,372
Mandatorily Redeemable Noncontrolling Interest	768	829
Lease Liabilities	454,902	477,004
Long-Term Debt	509,282	430,650
Total Liabilities	2,552,958	2,598,785
Redeemable Noncontrolling Interest	11,897	5,655
Preferred Stock	0	0
Common Stockholders’ Equity
Common stock	20,000	20,000
Capital in excess of par value	386,506	381,669
Retained earnings	6,567,676	6,534,427
Accumulated other comprehensive income, net of tax
Cumulative foreign currency translation adjustment	(22,429)	(21,888)
Unrealized gain on pensions and other postretirement plans	328,056	325,921
Cash flow hedges	(1,944)	(738)
Cost of Class B common stock held in treasury	(4,038,052)	(3,920,152)
Total Common Stockholders' Equity	3,239,813	3,319,239
Noncontrolling Interest	6,845	7,557
Total Equity	3,246,658	3,326,796
Total Liabilities and Equity	$ 5,811,513	$ 5,931,236