Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 26, 2021	Mar. 27, 2020
Net Earnings	$ 105,687	$ 72,818
Adjustments to reconcile net earnings to net cash provided by operating activities
Depreciation and amortization	14,515	13,062
Deferred income taxes	1,842	(65)
Share-based compensation	6,618	6,318
Change in
Accounts receivable	(10,611)	(10,139)
Inventories	(27,541)	(17,726)
Trade accounts payable	9,323	5,185
Salaries and incentives	(6,949)	(20,182)
Retirement benefits and deferred compensation	2,867	3,172
Other accrued liabilities	4,493	1,441
Other	1,425	349
Net cash provided by operating activities	101,669	54,233
Cash Flows From Investing Activities
Property, plant and equipment additions	(21,415)	(18,944)
Other	(34)	(256)
Net cash used in investing activities	(21,449)	(19,200)
Cash Flows From Financing Activities
Borrowings (payments) on short-term lines of credit, net	9,667	24,576
Borrowings on long-term lines of credit	0	250,000
Payments of Debt Issuance Costs	1,404	0
Common stock issued	26,460	38,882
Common stock repurchased	0	(82,176)
Payment, Tax Withholding, Share-based Payment Arrangement	0	1,796
Cash dividends paid	(31,642)	(29,333)
Net cash provided by financing activities	3,081	200,153
Effect of exchange rate changes on cash	(1,594)	497
Net increase (decrease) in cash and cash equivalents	81,707	235,683
Cash and Cash Equivalents
Beginning of year	378,909	220,973
End of period	$ 460,616	$ 456,656

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