Condensed Statements of Consolidated Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
OPERATING ACTIVITIES
Net income	$ 100,216	$ 68,316
Adjustments to reconcile net income to net operating cash:
Depreciation	37,884	37,332
Amortization of intangible assets	6,599	6,394
Stock-based compensation expense	10,768	11,093
Provisions for qualified exit costs	53	375
Provisions for environmental-related matters	5,105	5,352
Defined benefit pension plans net cost	4,928	3,945
Net increase in postretirement liability	900	900
Other	(3,318)	(1,381)
Change in working capital accounts - net	(301,361)	(276,747)
Costs incurred for environmental-related matters	(10,289)	(4,913)
Costs incurred for qualified exit costs	(1,097)	(1,422)
Other	(5,227)	(2,410)
Net operating cash	(154,839)	(153,166)
INVESTING ACTIVITIES
Capital expenditures	(32,783)	(26,951)
Proceeds from sale of assets	3,580	6,225
Decrease (increase) in other investments	3,162	(8,274)
Net investing cash	(26,041)	(29,000)
FINANCING ACTIVITIES
Net increase in short-term borrowings	328,827	280,455
Proceeds from long-term debt	2,921	6,715
Payments of long-term debt	(5,253)	(4,302)
Payments of cash dividends	(40,363)	(39,004)
Proceeds from stock options exercised	66,885	23,446
Income tax effect of stock-based compensation exercises and vesting	20,266	4,931
Treasury stock purchased	(180,794)	(90,817)
Other	(16,694)	(80)
Net financing cash	175,795	181,344
Effect of exchange rate changes on cash	(2,118)	(3,816)
Net decrease in cash and cash equivalents	(7,203)	(4,638)
Cash and cash equivalents at beginning of year	32,696	58,585
Cash and cash equivalents at end of period	25,493	53,947
Income Taxes paid	78,559	21,424
Interest paid	$ 8,978	$ 9,401