Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash Flows from Operating Activities
Net Income (Loss)	$ 132,540	$ (150,329)
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and goodwill and other long-lived asset impairment	68,063	403,444
Net pension benefit	(36,714)	(45,081)
Early retirement program expense	0	3,734
Stock-based compensation expense, net	10,319	38,423
(Gain) loss on disposition of businesses, property, plant and equipment, investments and other assets, net	(62,132)	19,634
Foreign exchange loss	33,324	16,191
Write-down of cost method investments	15,161	1,364
Gain on sale of equity affiliate	0	(4,827)
Equity in losses of affiliates, net of distributions	895	853
Benefit for deferred income taxes	(17,281)	(29,152)
Net loss on sale of property, plant and equipment	(34,072)	0
Change in assets and liabilities:
Restricted cash	(7,266)	(449)
Accounts receivable, net	5,980	(20,480)
Accounts payable and accrued liabilities	(38,099)	74,112
Deferred revenue	28,014	(11,880)
Income taxes receivable	27,206	(159,490)
Other assets and other liabilities, net	(16,492)	(21,061)
Other	671	1,101
Net Cash Provided by Operating Activities	144,189	116,107
Cash Flows from Investing Activities
Investments in certain businesses, net of cash acquired	(242,472)	0
Net proceeds from sales of businesses, property, plant and equipment, investments and other assets	36,777	(807)
Proceeds from sales of marketable equity securities	22,837	0
Purchases of property, plant and equipment	(41,373)	(120,018)
Purchases of marketable equity securities	(48,265)	(135,124)
Investments in equity affiliates and cost method investments	(4,550)	(19,038)
Disbursement of loan to affiliate	(7,730)	0
Other	0	60
Net Cash Used in Investing Activities	(284,776)	(274,927)
Cash Flows from Financing Activities
Issuance of borrowings	98,610	550,000
Net cash distributed to Cable ONE in spin-off	0	(94,115)
Common shares repurchased	(90,328)	0
Purchase of noncontrolling interest	(21,000)	0
Dividends paid	(20,532)	(47,006)
Proceeds from exercise of stock options	1,200	11,308
Repayments of borrowings	0	(41,815)
Payments of financing costs	(648)	(9,944)
Other	15,408	5,334
Net Cash Used in Financing Activities	(17,290)	373,762
Effect of Currency Exchange Rate Change	(3,147)	(10,937)
Net (Decrease) Increase in Cash and Cash Equivalents	(161,024)	204,005
Beginning Cash and Cash Equivalents, Including Cash of Discontinued Operations		773,986
Beginning Cash and Cash Equivalents	754,207
Ending Cash and Cash Equivalents	$ 593,183	$ 977,991