Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 133,882	$ 413,991
Restricted cash	14,272	9,063
Investments in marketable equity securities and other investments	779,073	587,582
Accounts receivable, net	578,592	537,156
Inventories and contracts in progress	100,258	120,622
Prepaid expenses	78,212	75,523
Income taxes receivable	15,654	29,313
Other current assets	1,641	942
Total Current Assets	1,701,584	1,774,192
Property, Plant and Equipment, Net	461,107	378,286
Lease Right-of-Use Assets	427,225	462,560
Investments in Affiliates	171,249	155,777
Goodwill, Net	1,612,343	1,484,750
Indefinite-Lived Intangible Assets	120,093	120,437
Amortized Intangible Assets, Net	248,246	204,646
Prepaid Pension Cost	1,772,859	1,708,305
Deferred Income Taxes	7,854	8,396
Deferred Charges and Other Assets (includes $782 and $0 of restricted cash)	156,912	146,770
Total Assets	6,679,472	6,444,119
Current Liabilities
Accounts payable and accrued liabilities	506,638	520,236
Deferred revenue	371,208	331,021
Income taxes payable	6,869	5,140
Current portion of lease liabilities	84,144	86,797
Current portion of long-term debt	44,254	6,452
Dividends declared	7,496	0
Total Current Liabilities	1,020,609	949,646
Accrued Compensation and Related Benefits	205,514	201,918
Other Liabilities	33,282	48,768
Deferred Income Taxes	522,923	521,274
Mandatorily Redeemable Noncontrolling Interest	11,921	9,240
Lease Liabilities	392,438	428,849
Long-Term Debt	511,635	506,103
Total Liabilities	2,698,322	2,665,798
Redeemable Noncontrolling Interests	7,412	11,928
Preferred Stock	0	0
Common Stockholders’ Equity
Common stock	20,000	20,000
Capital in excess of par value	388,386	388,159
Retained earnings	7,042,061	6,804,822
Accumulated other comprehensive income, net of taxes
Cumulative foreign currency translation adjustment	(5,598)	9,754
Unrealized gain on pensions and other postretirement plans	593,773	595,287
Cash flow hedges	(1,110)	(1,727)
Cost of Class B common stock held in treasury	(4,073,677)	(4,056,993)
Total Common Stockholders’ Equity	3,963,835	3,759,302
Noncontrolling Interests	9,903	7,091
Total Equity	3,973,738	3,766,393
Total Liabilities and Equity	$ 6,679,472	$ 6,444,119