CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands		Dec. 31, 2023		Dec. 31, 2022
Current assets:
Cash and cash equivalents		$ 757,571		$ 854,773
Marketable securities		62,154		39,612
Accounts receivable, less allowance for credit losses of $1,988 and $1,955 in 2023 and 2022, respectively		422,124		491,145
Inventories, net		309,974	[1]	325,019
Prepayments		548,970	[2]	532,962
Other current assets		37,992		14,404
Current assets held for sale		23,250		0
Total current assets		2,162,035		2,257,915
Property, plant and equipment, net		445,492	[3]	418,683
Operating lease right-of-use assets, net		73,417		73,734
Marketable securities		117,434		110,777
Deferred tax assets		175,775		142,784
Retirement plans assets		11,504		11,761
Other assets		38,580		28,925
Acquired intangible assets, net		35,404		53,478
Goodwill		415,652		403,195
Long-term assets held for sale		11,531		0
Total assets	[4]	3,486,824		3,501,252
Current liabilities:
Accounts payable		180,131		139,722
Accrued employees' compensation and withholdings		191,750		212,266
Deferred revenue and customer advances		99,804		148,285
Other accrued liabilities		114,712		112,271
Operating lease liabilities		17,522		18,594
Income taxes payable		48,653		65,010
Current debt		0		50,115
Current liabilities held for sale		7,379		0
Total current liabilities		659,951		746,263
Retirement plans liabilities		132,090		116,005
Long-term deferred revenue and customer advances		37,282		45,131
Deferred tax liabilities		183		3,267
Long-term other accrued liabilities		19,998		15,981
Long-term operating lease liabilities		65,092		64,176
Long-term incomes taxes payable		44,331		59,135
Long-term liabilities held for sale		2,000		0
Total liabilities		960,927		1,049,958
Commitments and contingencies (Note M)
SHAREHOLDERS' EQUITY
Common stock, $0.125 par value, 1,000,000 shares authorized, 152,698 and 155,759 shares issued and outstanding at December 31, 2023 and 2022, respectively		19,087		19,470
Additional paid-in capital		1,827,274		1,755,963
Accumulated other comprehensive loss		(26,978)		(49,868)
Retained earnings		706,514		725,729
Total shareholders' equity		2,525,897		2,451,294
Total liabilities, convertible common shares and shareholders' equity		$ 3,486,824		$ 3,501,252

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

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

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

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