Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Current Assets
Cash and cash equivalents	$ 632,787	$ 648,885
Restricted cash	24,555	21,931
Investments in marketable equity securities and other investments	456,558	448,241
Accounts receivable, net	493,804	615,101
Income taxes receivable	47,734	41,635
Inventories and contracts in progress	35,736	34,818
Other current assets	68,717	60,735
Total Current Assets	1,759,891	1,871,346
Property, Plant and Equipment, Net	243,330	233,664
Investments in Affiliates	60,287	58,806
Goodwill, Net	1,179,431	1,122,954
Indefinite-Lived Intangible Assets, Net	93,203	66,026
Amortized Intangible Assets, Net	153,924	107,939
Prepaid Pension Cost	836,430	881,593
Deferred Income Taxes	15,818	17,246
Deferred Charges and Other Assets	73,791	73,096
Total Assets	4,416,105	4,432,670
Current Liabilities
Accounts payable and accrued liabilities	444,677	500,726
Deferred revenue	321,058	312,107
Current portion of long-term debt	6,158	6,128
Dividends declared	7,100	0
Total Current Liabilities	778,993	818,961
Postretirement Benefits Other Than Pensions	22,270	21,859
Accrued Compensation and Related Benefits	193,060	195,910
Other Liabilities	67,850	65,554
Deferred Income Taxes	373,534	379,092
Mandatorily Redeemable Noncontrolling Interest	12,584	12,584
Long-Term Debt	487,186	485,719
Total Liabilities	1,935,477	1,979,679
Redeemable Noncontrolling Interest	50	50
Preferred Stock	0	0
Common Stockholders’ Equity
Common stock	20,000	20,000
Capital in excess of par value	363,361	364,363
Retained earnings	5,595,826	5,588,942
Accumulated other comprehensive income (loss), net of tax
Cumulative foreign currency translation adjustment	(13,330)	(26,998)
Unrealized gain on available-for-sale securities	98,666	92,931
Unrealized gain on pensions and other postretirement plans	169,808	170,830
Cash Flow Hedge	(376)	(277)
Cost of Class B common stock held in treasury	(3,753,377)	(3,756,850)
Total Equity	2,480,578	2,452,941
Total Liabilities and Equity	$ 4,416,105	$ 4,432,670