Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Current Assets
Cash and cash equivalents	$ 395,009	$ 648,885
Restricted cash	21,403	21,931
Investments in marketable equity securities and other investments	519,586	448,241
Accounts receivable, net	525,779	615,101
Income taxes receivable	28,108	41,635
Inventories and contracts in progress	62,531	34,818
Other current assets	65,443	60,735
Total Current Assets	1,617,859	1,871,346
Property, Plant and Equipment, Net	259,809	233,664
Investments in Affiliates	122,166	58,806
Goodwill, Net	1,299,226	1,122,954
Indefinite-Lived Intangible Assets, Net	109,901	66,026
Amortized Intangible Assets, Net	239,152	107,939
Prepaid Pension Cost	863,098	881,593
Deferred Income Taxes	15,820	17,246
Deferred Charges and Other Assets	92,884	73,096
Total Assets	4,619,915	4,432,670
Current Liabilities
Accounts payable and accrued liabilities	446,076	500,726
Deferred revenue	353,367	312,107
Current portion of long-term debt	6,713	6,128
Dividends declared	7,025	0
Total Current Liabilities	813,181	818,961
Postretirement Benefits Other Than Pensions	22,929	21,859
Accrued Compensation and Related Benefits	198,907	195,910
Other Liabilities	67,589	65,554
Deferred Income Taxes	454,027	379,092
Mandatorily Redeemable Noncontrolling Interest	12,584	12,584
Long-Term Debt	486,242	485,719
Total Liabilities	2,055,459	1,979,679
Redeemable Noncontrolling Interest	3,779	50
Preferred Stock	0	0
Common Stockholders’ Equity
Common stock	20,000	20,000
Capital in excess of par value	368,505	364,363
Retained earnings	5,648,479	5,588,942
Accumulated other comprehensive income (loss), net of tax
Cumulative foreign currency translation adjustment	7,778	(26,998)
Unrealized gain on available-for-sale securities	135,753	92,931
Unrealized gain on pensions and other postretirement plans	168,070	170,830
Cash Flow Hedge	(449)	(277)
Cost of Class B common stock held in treasury	(3,787,459)	(3,756,850)
Total Equity	2,560,677	2,452,941
Total Liabilities and Equity	$ 4,619,915	$ 4,432,670