Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017
Operating activities:
Net earnings	$ 380,112	$ 377,648
Adjustments:
Depreciation	158,665	158,525
Amortization	22,453	22,368
Stock-based compensation	10,463	9,524
Deferred income taxes	29,988	(6,695)
Distributions from affiliates	25,150	30,249
Equity in earnings of unconsolidated affiliates	(9,580)	(8,756)
Changes in assets and liabilities (exclusive of acquisitions and dispositions):
Accounts receivable	(343,982)	(290,261)
Inventories	(246,933)	(519,902)
Accounts payable	157,836	413,256
Federal income taxes	86,746	157,346
Salaries, wages and related accruals	(171,626)	(102,744)
Other operating activities	28,629	3,584
Cash provided by operating activities	127,921	244,142
Investing activities:
Capital expenditures	(172,203)	(94,535)
Investment in and advances to affiliates	(55,901)	(14,000)
Disposition of plant and equipment	5,967	8,870
Acquisitions (net of cash acquired)		(485,060)
Purchases of investments		(50,000)
Proceeds from the sale of investments	50,000	150,000
Other investing activities	975
Cash used in investing activities	(171,162)	(484,725)
Financing activities:
Net change in short-term debt	21,203	30,180
Issuance of common stock	15,312	7,432
Payment of tax withholdings on certain stock-based compensation	(4,430)	(1,349)
Distributions to noncontrolling interests	(24,793)	(61,544)
Cash dividends	(121,787)	(121,303)
Acquisition of treasury stock	(29,193)
Other financing activities	(1,844)	(518)
Cash used in financing activities	(145,532)	(147,102)
Effect of exchange rate changes on cash	(77)	(517)
Decrease in cash and cash equivalents	(188,850)	(388,202)
Cash and cash equivalents-beginning of year	949,104	2,045,961
Cash and cash equivalents-end of three months	760,254	1,657,759
Non-cash investing activity:
Change in accrued plant and equipment purchases and assets recorded under capital lease arrangements	$ (9,396)	$ (11,222)