CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 289,812	$ 371,089
Provision for losses on accounts receivable	12,769	8,282
Deferred income taxes and tax uncertainties	(7,339)	4,565
Depreciation and amortization	128,195	113,496
Net losses (gains) from sales of assets and non-cash charges	12,537	(15,564)
Stock-based compensation	20,030	21,135
Losses from equity method investment	14,495	11,815
Change in operating assets and liabilities – net of business acquisitions:
Accounts receivable	(136,844)	(98,394)
Inventories	29,936	8,733
Prepaid expenses and other assets	(24,232)	(6,143)
Trade accounts payable	36,817	43,338
Other current liabilities	(18,989)	(112,256)
Current income taxes payable	6,360	(1,368)
Accrued employment-related benefits cost	3,655	3,877
Other – net	4,976	(9,512)
Net cash provided by operating activities	372,178	343,093
CASH FLOWS FROM INVESTING ACTIVITIES:
Additions to property, buildings and equipment	(131,147)	(105,717)
Proceeds from sales of assets	69,758	43,119
Equity method investment	(13,300)	(10,340)
Other – net	(146)	(597)
Net cash used in investing activities	(74,835)	(73,535)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net (decrease) increase in commercial paper	(269,841)	19,888
Borrowings under lines of credit	30,374	18,501
Payments against lines of credit	(18,036)	(19,306)
Proceeds from issuance of long-term debt	415,672	393,284
Payments of long-term debt	(7,799)	(129,981)
Proceeds from stock options exercised	27,064	26,191
Payments for employee taxes withheld from stock awards	(16,719)	(16,704)
Excess tax benefits from stock-based compensation	0	9,770
Purchase of treasury stock	(313,562)	(412,647)
Cash dividends paid	(151,637)	(147,480)
Net cash used in financing activities	(304,484)	(258,484)
Exchange rate effect on cash and cash equivalents	8,060	14,787
NET CHANGE IN CASH AND CASH EQUIVALENTS	919	25,861
Cash and cash equivalents at beginning of year	274,146	290,136
Cash and cash equivalents at end of period	$ 275,065	$ 315,997