CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2015	Sep. 30, 2014
Cash Flows from Operating Activities:
Net income	$ 155,902	$ 150,112
Adjustments to reconcile net income to net cash provided by operations:
Depreciation	100,427	109,821
Amortization	3,237	4,050
Stock based compensation	17,296	16,443
(Recovery of) provision for doubtful accounts	(771)	228
Deferred income taxes	943	(12,701)
Defined benefit plan expense	15,434	12,622
Equity in results of affiliates in excess of cash distributions received	735	1,868
Changes in balance sheet items, excluding effects from foreign currency adjustments:
Accounts receivable	(46,820)	(57,220)
Inventories	(26,102)	(11,386)
Prepaid and other current assets	(11,277)	(14,984)
Accounts payable and accrued liabilities	42,285	5,236
Income taxes payable	(4,154)	(13,334)
Retirement and deferred compensation plans	(11,810)	(9,803)
Other changes, net	(3,962)	20,426
Net Cash Provided by Operations	231,363	201,378
Cash Flows from Investing Activities:
Capital expenditures	(106,228)	(125,465)
Proceeds from sale of property and equipment	8	1,002
Insurance proceeds	1,900
Purchase of short-term investments	(67,414)
Notes receivable, net	611	(2,820)
Net Cash Used by Investing Activities	(171,123)	(127,283)
Cash Flows from Financing Activities:
(Repayments of) Proceeds from notes payable	(227,911)	106,455
Proceeds from long-term obligations	225,827	2,816
Repayments of long-term obligations	(336)
Dividends paid	(52,512)	(52,943)
Credit facility costs	(1,216)	(299)
Proceeds from stock option exercises	40,253	23,146
Purchase of treasury stock		(90,517)
Excess tax benefit from exercise of stock options	5,934	4,959
Net Cash Used by Financing Activities	(9,961)	(6,383)
Effect of Exchange Rate Changes on Cash	(15,982)	(30,179)
Net Increase in Cash and Equivalents	34,297	37,533
Cash and Equivalents at Beginning of Period	399,762	309,861
Cash and Equivalents at End of Period	$ 434,059	$ 347,394

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Costs and payments related to employee benefits and equity-based compensation, such as pension expense and contributions, other postretirement benefits expense and payments, stock or unit options expense, and amortization of restricted stock or unit.

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Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.

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Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.

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The cash outflow to reacquire common stock during the period.

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Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

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