Consolidated Statements Of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash Flows from Operating Activities:
Net Income	$ 35,614	$ 203,506
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	193,960	183,508
Deferred income tax provision	(6,704)	15,780
Inventory Write-down	30,490	9,025
Net loss (gain) on sales of property and equipment	516	111
Noncash compensation	10,546	12,688
Excluding the effects of acquisitions, increase (decrease) in cash from:
Accounts receivable	102,361	98,357
Inventory	768	5,135
Other operating assets	57,879	(49,140)
Currency translation effect on working capital	15,592	(19,366)
Current liabilities	(163,415)	(80,086)
Other operating liabilities	(14,857)	(6,458)
Total adjustments to net income	227,136	169,554
Net Cash Provided by Operating Activities	262,750	373,060
Cash Flows from Investing Activities:
Purchases of property and equipment	(83,389)	(139,208)
Payments to Acquire Businesses, Net of Cash Acquired	(2,500)	(229,979)
Payments to Acquire Other Investments	(39,818)	(19,531)
Distributions of capital from unconsolidated affiliates	5,108	3,265
Dispositions of property and equipment	3,217	376
Net Cash Used in Investing Activities	(117,382)	(385,077)
Cash Flows from Financing Activities:
Proceeds from Notes Payable	0	50,000
Excess tax benefits from employee benefit plans	(3,004)	(781)
Cash Dividends	(79,429)	(80,036)
Purchases of treasury stock	0	(100,459)
Net Cash Provided by (Used in) Financing Activities	(82,433)	(131,276)
Effect of Exchange Rate on Cash and Cash Equivalents	(6,545)	(16,266)
Net Increase (Decrease) in Cash and Cash Equivalents	56,390	(159,559)
Cash and Cash Equivalents-Beginning of Period	385,235	430,714
Cash and Cash Equivalents-End of Period	$ 441,625	$ 271,155