Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Current Assets
Cash and cash equivalents	$ 260,247	$ 200,165
Restricted cash	16,043	13,879
Investments in marketable equity securities and other investments	444,742	599,967
Accounts receivable, net	452,231	624,216
Inventories and contracts in progress	121,490	120,834
Prepaid expenses	75,857	92,289
Income taxes receivable	36,848	10,735
Other current assets	939	1,400
Total Current Assets	1,408,397	1,663,485
Property, Plant and Equipment, Net	376,681	384,670
Lease Right-of-Use Assets	481,589	526,417
Investments in Affiliates	156,677	162,249
Goodwill, Net	1,440,379	1,388,279
Indefinite-Lived Intangible Assets	115,913	140,197
Amortized Intangible Assets, Net	231,887	233,481
Prepaid Pension Cost	1,315,174	1,292,350
Deferred Income Taxes	4,666	11,629
Deferred Charges and Other Assets (includes $2,784 and $0 of restricted cash)	140,954	128,479
Total Assets	5,672,317	5,931,236
Current Liabilities
Accounts payable and accrued liabilities	433,672	507,701
Deferred revenue	280,321	355,156
Income taxes payable	3,029	4,121
Current portion of lease liabilities	87,652	92,714
Current portion of long-term debt	5,858	82,179
Dividends declared	7,572	0
Total Current Liabilities	818,104	1,041,871
Accrued Compensation and Related Benefits	189,084	193,836
Other Liabilities	75,552	27,223
Deferred Income Taxes	405,955	427,372
Mandatorily Redeemable Noncontrolling Interest	829	829
Lease Liabilities	451,874	477,004
Long-Term Debt	505,672	430,650
Total Liabilities	2,447,070	2,598,785
Redeemable Noncontrolling Interest	11,831	5,655
Preferred Stock	0	0
Common Stockholders’ Equity
Common stock	20,000	20,000
Capital in excess of par value	384,804	381,669
Retained earnings	6,497,166	6,534,427
Accumulated other comprehensive income, net of tax
Cumulative foreign currency translation adjustment	(42,859)	(21,888)
Unrealized gain on pensions and other postretirement plans	327,344	325,921
Cash flow hedges	(2,065)	(738)
Cost of Class B common stock held in treasury	(3,977,722)	(3,920,152)
Total Common Stockholders' Equity	3,206,668	3,319,239
Noncontrolling Interest	6,748	7,557
Total Equity	3,213,416	3,326,796
Total Liabilities and Equity	$ 5,672,317	$ 5,931,236