CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 475,632	$ 553,354
Marketable securities	32,145	46,312
Accounts receivable, less allowance for credit losses of $2,170 and $2,111 at March 30, 2025 and December 31, 2024, respectively	460,397	471,426
Inventories, net	345,063	298,492
Prepayments	423,729	429,086
Other current assets	18,635	17,727
Total current assets	1,755,601	1,816,397
Property, plant and equipment, net	541,520	508,171
Operating lease right-of-use assets, net	63,090	70,185
Marketable securities	113,754	124,121
Deferred tax assets	230,937	222,438
Retirement plans assets	12,193	11,994
Equity method investment	509,626	494,494
Other assets	51,832	49,620
Acquired intangible assets, net	17,971	15,927
Goodwill	409,313	395,367
Total assets	3,705,837	3,708,714
Current liabilities:
Accounts payable	187,034	134,792
Accrued employees' compensation and withholdings	143,019	204,991
Deferred revenue and customer advances	119,886	107,710
Other accrued liabilities	100,058	90,777
Operating lease liabilities	18,340	18,699
Income taxes payable	80,729	67,610
Total current liabilities	649,066	624,579
Retirement plans liabilities	136,228	133,338
Long-term deferred revenue and customer advances	39,438	40,505
Deferred tax liabilities	869	1,038
Long-term other accrued liabilities	7,718	7,442
Long-term operating lease liabilities	50,423	57,922
Long-term incomes taxes payable	24,596	24,596
Total liabilities	908,338	889,420
Commitments and contingencies (Note S)
SHAREHOLDERS' EQUITY
Common stock, $0.125 par value, 1,000,000 shares authorized; 160,674 and 161,722 shares issued and outstanding at March 30, 2025 and December 31, 2024, respectively	20,084	20,215
Additional paid-in capital	1,926,180	1,909,538
Accumulated other comprehensive loss	(41,992)	(81,220)
Retained earnings	893,227	970,761
Total shareholders' equity	2,797,499	2,819,294
Total liabilities and shareholders' equity	$ 3,705,837	$ 3,708,714