CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 266,202	$ 315,457
Restricted cash	4,358	3,026
Short-term investments	9,782	10,174
Accounts receivable , net of allowances of $8,254 and $5,641 at March 31,2024 and December 31, 2023, respectively	391,508	371,930
Inventories	429,363	389,774
Prepaid expenses and other	100,016	97,024
Total current assets	1,201,229	1,187,385
Property, plant and equipment, net	723,478	746,169
Deferred tax assets	50,912	51,620
Goodwill	146,941	146,558
Intangible assets, net	59,952	63,937
Other long-term assets	173,660	171,990
Total assets	2,356,172	2,367,659
Current liabilities:
Lines of credit	48,928	40,685
Accounts payable	149,228	158,261
Accrued liabilities and other	164,570	179,674
Income tax payable	13,283	10,459
Current portion of long-term debt	1,270	4,419
Total current liabilities	377,279	393,498
Long-term debt, net of current portion	19,639	16,979
Deferred tax liabilities	10,509	13,662
Unrecognized tax benefits	34,035	34,035
Other long-term liabilities	89,899	99,808
Total liabilities	531,361	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 46,114,753 shares and 45,938,383 shares issued and outstanding at March 31, 2024 and December 31, 2023 , respectively	36,936	36,819
Additional paid-in capital	509,401	509,861
Retained earnings	1,689,312	1,675,274
Treasury stock, at cost 9,286,862 shares and 9,286,862 shares at March 31, 2024 and December 31, 2024 respectively	(337,986)	(337,986)
Accumulated other comprehensive loss	(149,073)	(143,227)
Stockholders' equity	1,748,590	1,740,741
Noncontrolling interest	76,221	68,936
Total equity	1,824,811	1,809,677
Total liabilities and stockholders' equity	$ 2,356,172	$ 2,367,659