Condensed Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash Flows from Operating Activities
Net Income	$ 99,414,000	$ 80,227,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and long-lived asset impairment	45,346,000	135,881,000
Net pension benefit	(24,325,000)	(22,872,000)
Stock-based compensation expense, net	7,152,000	13,843,000
Gain on disposition of businesses, property, plant and equipment, investments and other assets, net	(62,273,000)	(7,040,000)
Foreign exchange loss	29,527,000	3,219,000
Gain on sale of equity affiliate	0	(4,827,000)
Equity in (earnings) losses of affiliates, net of distributions	(113,000)	948,000
Benefit for deferred income taxes	(6,806,000)	(1,858,000)
Net loss on sale of property, plant and equipment	(34,072,000)	0
Change in assets and liabilities:
Restricted cash	(11,133,000)	(1,635,000)
Accounts receivable, net	49,786,000	26,950,000
Accounts payable and accrued liabilities	4,612,000	47,530,000
Deferred revenue	(19,751,000)	(45,219,000)
Income taxes receivable	38,989,000	(120,480,000)
Other assets and other liabilities, net	(15,459,000)	(28,256,000)
Other	502,000	879,000
Net Cash Provided by Operating Activities	135,468,000	77,290,000
Cash Flows from Investing Activities
Investments in certain businesses, net of cash acquired	(200,336,000)	0
Net proceeds from sales of businesses, property, plant and equipment, investments and other assets	36,771,000	3,019,000
Proceeds from sales of marketable equity securities	22,837,000	0
Purchases of property, plant and equipment	(22,202,000)	(100,240,000)
Purchases of marketable equity securities	(18,274,000)	0
Investments in equity affiliates and cost method investments	(2,387,000)	(16,834,000)
Net Cash Used in Investing Activities	(183,591,000)	(114,055,000)
Cash Flows from Financing Activities
Common shares repurchased	(89,062,000)	0
Purchase of noncontrolling interest	(21,000,000)	0
Dividends paid	(13,736,000)	(31,316,000)
Issuance of borrowings	0	550,000,000
Repayments of borrowings	0	(39,343,000)
Payments of financing costs	0	(9,865,000)
Other	19,896,000	16,534,000
Net Cash Used in Financing Activities	(103,902,000)	486,010,000
Effect of Currency Exchange Rate Change	(1,842,000)	(3,897,000)
Net Decrease in Cash and Cash Equivalents	(153,867,000)	445,348,000
Beginning Cash and Cash Equivalents, Including Cash of Discontinued Operations		773,986,000
Beginning Cash and Cash Equivalents	754,207,000
Ending Cash and Cash Equivalents	$ 600,340,000	$ 1,219,334,000