Condensed Statements of Consolidated Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
OPERATING ACTIVITIES
Net income	$ 250,127	$ 239,152
Adjustments to reconcile net income to net operating cash:
Depreciation	71,591	44,595
Amortization of intangible assets	85,049	6,170
Stock-based compensation expense	14,611	17,321
Amortization of credit facility and debt issuance costs	2,749	984
Provisions for qualified exit costs	3,799	2,856
Provisions for environmental-related matters	765	519
Defined benefit pension plans net cost	1,345	5,155
Net change in postretirement liability	996	1,910
Other	3,466	(37,367)
Change in working capital accounts - net	(382,842)	(58,402)
Costs incurred for environmental-related matters	(4,069)	(3,372)
Costs incurred for qualified exit costs	(8,084)	(996)
Other	1,246	13,291
Net operating cash	40,749	231,816
INVESTING ACTIVITIES
Capital expenditures	(42,253)	(41,479)
Proceeds from sale of assets	7,352	34,762
Increase in other investments	(5,650)	(23,194)
Net investing cash	(40,551)	(29,911)
FINANCING ACTIVITIES
Net increase in short-term borrowings	288,866	326
Payments of long-term debt	(808)	(71)
Payments for credit facility and debt issuance costs	(113)	(7)
Payments of cash dividends	(81,028)	(79,450)
Proceeds from stock options exercised	21,595	41,762
Treasury stock purchased	(241,148)	0
Other	(14,813)	(22,702)
Net financing cash	(27,449)	(60,142)
Effect of exchange rate changes on cash	(18,349)	(13,748)
Net (decrease) increase in cash and cash equivalents	(45,600)	128,015
Cash and cash equivalents at beginning of year	204,213	889,793
Cash and cash equivalents at end of period	158,613	1,017,808
Income taxes paid	27,910	8,675
Interest paid	$ 57,757	$ 30,841