Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021
Operating activities
Net earnings	$ 216,719	$ 165,024
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation and amortization	80,967	83,879
(Gain) loss on disposal of property and equipment	(293)	(207)
Inventory write-offs for obsolescence	10,777	9,550
Deferred income taxes	5,922	519
Other	6,733	5,758
Change in U.S. transition tax liability	(14,757)	(14,757)
Change in repatriation tax liability	(25,201)	0
Net change in operating assets and liabilities	(172,555)	(74,983)
Net cash provided by operating activities	108,312	174,783
Investing activities
Capital expenditures	(95,700)	(60,710)
Proceeds from sale of property and equipment	377	234
Purchase of short-term investments	(7,769)	(27,488)
Maturity of short-term investments	66,763	53,679
Other investing activities	(199)	347
Net cash provided by (used in) investing activities	(36,528)	(33,938)
Financing activities
Repurchase of convertible debt instruments	0	(300)
Net proceeds (payments) on revolving credit lines	6,000	0
Repurchase of common stock held in treasury	(36,161)	0
Distributions to noncontrolling interests	(733)	(800)
Cash withholding taxes paid when shares withheld for vested equity awards	(2,123)	(1,963)
Net cash provided by (used in) financing activities	(61,825)	(30,577)
Effect of exchange rate changes on cash and cash equivalents	(18,474)	(3,383)
Net increase (decrease) in cash and cash equivalents	(8,515)	106,885
Cash and cash equivalents at beginning of period	774,108	619,874
Cash and cash equivalents at end of period	765,593	726,759
Common Stock [Member]
Financing activities
Dividends paid to common stockholders	(26,389)	(25,216)
Class B Convertible Common Stock [Member]
Financing activities
Dividends paid to common stockholders	$ (2,419)	$ (2,298)