Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2019	Mar. 31, 2018
Operating activities:
Net earnings	$ 530,793	$ 380,112
Adjustments:
Depreciation	158,171	158,665
Amortization	21,500	22,453
Stock-based compensation	12,492	10,463
Deferred income taxes	19,948	29,988
Distributions from affiliates	26,034	25,150
Equity in earnings of unconsolidated affiliates	(2,906)	(9,580)
Changes in assets and liabilities (exclusive of acquisitions and dispositions):
Accounts receivable	21,958	(343,982)
Inventories	107,907	(246,933)
Accounts payable	(11,397)	157,836
Federal income taxes	105,573	86,746
Salaries, wages and related accruals	(325,866)	(171,626)
Other operating activities	(13,499)	28,629
Cash provided by operating activities	650,708	127,921
Investing activities:
Capital expenditures	(288,786)	(172,203)
Investment in and advances to affiliates	(29)	(55,901)
Divestiture of affiliates	67,591
Disposition of plant and equipment	12,910	5,967
Acquisitions (net of cash acquired)	(9,495)
Purchases of investments	(50,000)
Proceeds from the sale of investments		50,000
Other investing activities	2,176	975
Cash used in investing activities	(265,633)	(171,162)
Financing activities:
Net change in short-term debt	13,568	21,203
Issuance of common stock	3,137	15,312
Payment of tax withholdings on certain stock-based compensation	(1,364)	(4,430)
Distributions to noncontrolling interests	(50,402)	(24,793)
Cash dividends	(123,400)	(121,787)
Acquisition of treasury stock	(72,830)	(29,193)
Other financing activities	(1,947)	(1,844)
Cash used in financing activities	(233,238)	(145,532)
Effect of exchange rate changes on cash	84	(77)
Increase (decrease) in cash and cash equivalents	151,921	(188,850)
Cash and cash equivalents - beginning of year	1,398,886	949,104
Cash and cash equivalents - end of year	1,550,807	760,254
Non-cash investing activity:
Change in accrued plant and equipment purchases and assets recorded under finance lease arrangements	$ 12,925	$ (9,396)