CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 264,709	$ 315,457
Restricted cash	2,948	3,026
Short-term investments	9,188	10,174
Accounts receivable , net of allowances of $12,133 and $5,641 at June 30, 2024 and December 31, 2023, respectively	384,965	371,930
Inventories	461,539	389,774
Prepaid expenses and other	97,115	97,024
Total current assets	1,220,464	1,187,385
Property, plant and equipment, net	707,617	746,169
Deferred tax assets	50,956	51,620
Goodwill	145,595	146,558
Intangible assets, net	57,391	63,937
Other long-term assets	179,034	171,990
Total assets	2,361,057	2,367,659
Current liabilities:
Lines of credit	26,343	40,685
Accounts payable	156,687	158,261
Accrued liabilities and other	167,436	179,674
Income tax payable	9,145	10,459
Current portion of long-term debt	1,344	4,419
Total current liabilities	360,955	393,498
Long-term debt, net of current portion	18,988	16,979
Deferred tax liabilities	9,532	13,662
Unrecognized tax benefits	34,035	34,035
Other long-term liabilities	85,971	99,808
Total liabilities	509,481	557,982
Commitments and contingencies (See Note 9)
Stockholders' equity
Preferred stock - par value $1.00 per share; 1,000,000 shares authorized; no shares issued or outstanding	0	0
Common stock - par value $0.66 2/3 per share; 70,000,000 shares authorized; and 46,146,009 shares and 45,938,383 shares issued and outstanding at June 30, 2024 and December 31, 2023 , respectively	36,958	36,819
Additional paid-in capital	513,309	509,861
Retained earnings	1,697,312	1,675,274
Treasury stock, at cost 9,287,762 shares and 9,286,862 shares at June 30, 2024 and December 31, 2023 respectively	(338,052)	(337,986)
Accumulated other comprehensive loss	(135,172)	(143,227)
Stockholders' equity	1,774,355	1,740,741
Noncontrolling interest	77,221	68,936
Total equity	1,851,576	1,809,677
Total liabilities and stockholders' equity	$ 2,361,057	$ 2,367,659