CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash Flows from Operating Activities:
Net income	$ 127,566	$ 144,998
Adjustments to reconcile net income to net cash provided by operations:
Depreciation	98,501	100,099
Amortization	1,898	1,925
Stock option based compensation	10,773	12,160
(Recovery)/Provision for doubtful accounts	(327)	1,188
Deferred income taxes	(3,644)	(4,710)
Defined benefit plan expense	10,855	8,126
Equity in results of affiliates in excess of cash distributions received	518
Changes in balance sheet items, excluding effects from foreign currency adjustments:
Accounts receivable	(14,365)	(19,655)
Inventories	(11,819)	(29,230)
Prepaid and other current assets	6,342	(31,111)
Accounts payable and accrued liabilities	(2,963)	15,252
Income taxes payable	4,716	(3,747)
Retirement and deferred compensation plans	(19,260)	(13,770)
Other changes, net	(11,273)	3,250
Net Cash Provided by Operations	197,518	184,775
Cash Flows from Investing Activities:
Capital expenditures	(133,016)	(126,710)
Disposition of property and equipment	2,430	1,656
Intangible assets acquired		129
Acquisition of business, net of cash acquired	(187,840)
Investment in unconsolidated affiliate	(279)
Notes receivable, net	7	48
Net Cash Used by Investing Activities	(318,698)	(124,877)
Cash Flows from Financing Activities:
(Repayments)/Proceeds from notes payable	(166,911)	97,360
Proceeds from long-term obligations	125,029
Repayments of long-term obligations		(49,342)
Dividends paid	(43,830)	(38,769)
Credit facility costs	(1,470)
Proceeds from stock option exercises	35,239	17,098
Purchase of treasury stock	(40,896)	(79,640)
Excess tax benefit from exercise of stock options	6,006	4,564
Net Cash Used by Financing Activities	(86,833)	(48,729)
Effect of Exchange Rate Changes on Cash	4,684	(16,167)
Net Decrease in Cash and Equivalents	(203,329)	(4,998)
Cash and Equivalents at Beginning of Period	377,616	376,427
Cash and Equivalents at End of Period	$ 174,287	$ 371,429