CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 182,853	$ 191,644
Provision for losses on accounts receivable	3,918	3,454
Deferred income taxes and tax uncertainties	(7,632)	21,035
Depreciation and amortization	62,249	56,294
Gains from sales of assets and write-offs	(10,966)	(7,465)
Stock-based compensation	6,757	7,456
Losses from equity method investment	8,374	6,388
Change in operating assets and liabilities – net of business acquisitions:
Accounts receivable	(95,419)	(84,435)
Inventories	27,826	10,831
Prepaid expenses and other assets	(25,943)	4,370
Trade accounts payable	18,051	30,827
Other current liabilities	(64,171)	(104,552)
Current income taxes payable	73,227	32,757
Accrued employment-related benefits cost	1,520	323
Other – net	302	(8,290)
Net cash provided by operating activities	180,946	160,637
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to property, buildings and equipment	(78,768)	(51,797)
Proceeds from sales of assets	48,306	13,817
Equity method investment	(7,067)	(7,199)
Other – net	0	(206)
Net cash used in investing activities	(37,529)	(45,385)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net increase in commercial paper	34,946	214,645
Borrowings under lines of credit	9,883	12,028
Payments against lines of credit	(9,167)	(11,060)
Proceeds from issuance of long-term debt	3,917	245
Payments of long-term debt	(6,235)	(125,014)
Proceeds from stock options exercised	26,345	5,206
Excess tax benefits from stock-based compensation	0	17,287
Payment for employee taxes withheld from stock awards	(11,625)	(6,906)
Purchase of treasury stock	(159,146)	(172,047)
Cash dividends paid	(72,118)	(72,632)
Net cash used in financing activities	(183,200)	(138,248)
Exchange rate effect on cash and cash equivalents	4,438	12,766
NET CHANGE IN CASH AND CASH EQUIVALENTS	(35,345)	(10,230)
Cash and cash equivalents at beginning of year	274,146	290,136
Cash and cash equivalents at end of period	$ 238,801	$ 279,906