Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash Flows from Operating Activities
Net Income	$ 214,670	$ 87,929
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and goodwill and other long-lived asset impairment	84,070	84,351
Net pension benefit	(55,458)	(44,281)
Early retirement program expense	0	932
Gain on marketable equity securities and cost method investments, net	(36,793)	0
Stock-based compensation expense, net	5,172	7,528
(Gain) loss on disposition of businesses, property, plant and equipment and investments, net	(13,379)	504
Debt extinguishment costs	10,563	0
Foreign exchange loss (gain)	2,205	(6,608)
Write-down of cost method investments	2,500
Write-down of cost method investments		200
Equity in earnings of affiliates, net of distributions	(10,294)	(1,434)
(Benefit) provision for deferred income taxes	(10,867)	16,306
Change in operating assets and liabilities:
Accounts receivable, net	55,200	106,230
Accounts payable and accrued liabilities	(95,100)	(63,255)
Deferred revenue	38,148	27,254
Income taxes receivable	23,073	14,477
Other assets and other liabilities, net	(23,757)	(9,795)
Other	1,905	519
Net Cash Provided by Operating Activities	191,858	220,857
Cash Flows from Investing Activities
Investments in certain businesses, net of cash acquired	(111,451)	(299,938)
Proceeds from sales of marketable equity securities	66,741	0
Purchases of property, plant and equipment	(58,850)	(43,863)
Advance related to Kaplan University transaction and loan to affiliate	(28,061)	(6,771)
Net (payments) proceeds from disposition of businesses, property, plant and equipment and investments	(13,483)	2,672
Investments in equity affiliates, cost method and other investments	(10,679)	(66,097)
Return of investment in equity affiliates	4,521	3,527
Net Cash Used in Investing Activities	(151,262)	(410,470)
Cash Flows from Financing Activities
Repayments of borrowings and early redemption premium	(417,112)	(7,712)
Issuance of borrowings	400,000	0
Common shares repurchased	(110,848)	(35,394)
Dividends paid	(21,564)	(21,304)
Purchase of noncontrolling interest	(16,500)	0
Payments of debt financing costs	(6,490)	0
Deferred payments of acquisition and noncontrolling interest	0	(5,187)
Other	5,303	(4,962)
Net Cash Used in Financing Activities	(167,211)	(74,559)
Effect Of Currency Exchange Rate Change	(4,216)	9,768
Net Decrease in Cash and Cash Equivalents and Restricted Cash	(130,831)	(254,404)
Beginning Cash and Cash Equivalents and Restricted Cash	407,566	670,816
Ending Cash and Cash Equivalents and Restricted Cash	$ 276,735	$ 416,412