Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 27, 2025	Sep. 28, 2024
Operating activities
Net earnings (loss)	$ (9,964)	$ 36,330
Adjustments to reconcile net earnings (loss) to net cash provided by operating activities:
Depreciation and amortization	167,036	155,272
(Gain) loss on disposal of property and equipment	56	(1,168)
Inventory write-offs for obsolescence	25,614	27,163
Deferred income taxes	(7,461)	(13,667)
Stock compensation expense	17,635	14,928
Other	(2,189)	14,506
Change in U.S. transition tax liability	(47,027)	(37,622)
Change in repatriation tax liability	(9,375)	(15,000)
Net change in operating assets and liabilities, net of effects of businesses acquired	(99,379)	(74,696)
Net cash provided by operating activities	34,946	106,046
Investing activities
Capital expenditures	(178,491)	(175,175)
Proceeds from sale of property and equipment	854	1,397
Purchase of businesses, net of cash acquired	0	(200,185)
Purchase of short-term investments	(28,575)	(101,263)
Maturity of short-term investments	45,111	123,561
Other investing activities	(2,336)	(1,220)
Net cash used in investing activities	(163,437)	(352,885)
Financing activities
Principal payments on long-term debt	(41,911)	0
Net proceeds from revolving credit facility	53,000	0
Debt issuance and amendment costs	0	(1,062)
Repurchase of common stock held in treasury	(12,538)	(37,784)
Cash withholding taxes paid when shares withheld for vested equity awards	(4,000)	(4,092)
Other financing activities	10,080	0
Net cash used in financing activities	(36,048)	(84,034)
Effect of exchange rate changes on cash and cash equivalents	18,111	1,925
Net decrease in cash and cash equivalents	(146,428)	(328,948)
Cash and cash equivalents at beginning of period	590,286	972,719
Cash and cash equivalents at end of period	443,858	643,771
Common Stock [Member]
Financing activities
Dividends paid to common stockholders	(37,050)	(37,467)
Class B Convertible Common Stock [Member]
Financing activities
Dividends paid to common stockholders	$ (3,629)	$ (3,629)