CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents		$ 553,354	$ 757,571
Marketable securities		46,312	62,154
Accounts receivable, less allowance for credit losses of $2,111 and $1,988 in 2024 and 2023, respectively		471,426	422,124
Inventories, net		298,492	309,974	[1]
Prepayments		429,086	548,970	[2]
Other current assets		17,727	37,992
Current assets held for sale		0	23,250
Total current assets		1,816,397	2,162,035
Property, plant and equipment, net		508,171	445,492	[3]
Operating lease right-of-use assets, net		70,185	73,417
Marketable securities		124,121	117,434
Deferred tax assets		222,438	175,775
Retirement plans assets		11,994	11,504
Equity Method Investment		494,494	0
Other assets		49,620	38,580
Acquired intangible assets, net		15,927	35,404
Goodwill		395,367	415,652
Long-term assets held for sale		0	11,531
Total assets	[4]	3,708,714	3,486,824
Current liabilities:
Accounts payable		134,792	180,131
Accrued employees' compensation and withholdings		204,991	191,750
Deferred revenue and customer advances		107,710	99,804
Other accrued liabilities		90,777	114,712
Operating lease liabilities		18,699	17,522
Income taxes payable		67,610	48,653
Current liabilities held for sale		0	7,379
Total current liabilities		624,579	659,951
Retirement plans liabilities		133,338	132,090
Long-term deferred revenue and customer advances		40,505	37,282
Deferred tax liabilities		1,038	183
Long-term other accrued liabilities		7,442	19,998
Long-term operating lease liabilities		57,922	65,092
Long-term incomes taxes payable		24,596	44,331
Long-term liabilities held for sale		0	2,000
Total liabilities		889,420	960,927
Commitments and contingencies (Note N)
SHAREHOLDERS' EQUITY
Common stock, $0.125 par value, 1,000,000 shares authorized, 161,722 and 152,698 shares issued and outstanding at December 31, 2024 and 2023, respectively		20,215	19,087
Additional paid-in capital		1,909,538	1,827,274
Accumulated other comprehensive loss		(81,220)	(26,978)
Retained earnings		970,761	706,514
Total shareholders' equity		2,819,294	2,525,897
Total liabilities and shareholders' equity		$ 3,708,714	$ 3,486,824

[1] Excludes $18.0 million of primarily work-in-process inventories, net classified as assets held for sale. See Note E: "Dispositions" for additional information.

[2] Excludes $5.3 million of contract manufacturer and supplier prepayments, classified as assets held for sale. See Note E: "Dispositions" for additional information.

[3] Excludes $9.0 million of property, plant and equipment, net classified as assets held for sale. See Note E: "Dispositions" for additional information.

[4] Total assets are attributable to each segment. In 2023, Semiconductor Test includes $34.8 million of total assets classified as assets held for sale. See Note E: "Dispositions" for additional information. Corporate assets consist of cash and cash equivalents, marketable securities and certain other assets.