Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current Assets
Cash and cash equivalents	$ 142,264	$ 253,256
Restricted cash	15,143	10,859
Investments in marketable equity securities and other investments	554,211	514,581
Accounts receivable, net	612,141	582,280
Income taxes receivable	9,440	19,166
Inventories and contracts in progress	113,196	69,477
Other current assets	87,863	82,723
Total Current Assets	1,534,258	1,532,342
Property, Plant and Equipment, Net	370,882	293,085
Lease Right-of-Use Assets	503,830	0
Investments in Affiliates	163,986	143,813
Goodwill, Net	1,345,393	1,297,712
Indefinite-Lived Intangible Assets	144,477	99,052
Amortized Intangible Assets, Net	245,393	263,261
Prepaid Pension Cost	1,038,676	1,003,558
Deferred Income Taxes	11,400	13,388
Deferred Charges and Other Assets	129,451	117,830
Total Assets	5,487,746	4,764,041
Current Liabilities
Accounts payable and accrued liabilities	477,522	486,578
Deferred revenue	337,573	308,728
Income taxes payable	6,668	10,496
Current portion of lease liabilities	78,114	0
Current portion of long-term debt	81,697	6,360
Dividends declared	7,387	0
Total Current Liabilities	988,961	812,162
Accrued Compensation and Related Benefits	177,116	179,652
Other Liabilities	27,398	57,901
Deferred Income Taxes	348,054	322,421
Lease Liabilities	462,868	0
Long-Term Debt	420,535	470,777
Total Liabilities	2,424,932	1,842,913
Redeemable Noncontrolling Interest	3,903	4,346
Preferred Stock	0	0
Common Stockholders’ Equity
Common stock	20,000	20,000
Capital in excess of par value	379,923	378,837
Retained earnings	6,388,546	6,236,125
Accumulated other comprehensive income, net of tax
Cumulative foreign currency translation adjustment	(47,025)	(29,270)
Unrealized gain on pensions and other postretirement plans	229,373	232,836
Cash flow hedges	(410)	263
Cost of Class B common stock held in treasury	(3,918,397)	(3,922,009)
Total Common Stockholders' Equity	3,052,010	2,916,782
Noncontrolling Interest	6,901	0
Total Equity	3,058,911	2,916,782
Total Liabilities and Equity	$ 5,487,746	$ 4,764,041