CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 303,295	$ 363,599
Restricted cash	2,710	3,219
Short-term investments	9,241	6,542
Accounts receivable, net of allowances of $5,394 and $4,324 at March 31, 2022 and December 31, 2021, respectively	362,035	358,496
Inventories	370,045	348,622
Prepaid expenses and other	104,763	107,194
Total current assets	1,152,089	1,187,672
Property, plant and equipment, net	589,915	582,079
Deferred income tax	21,755	21,256
Goodwill	147,968	149,890
Intangible assets, net	90,451	94,550
Other long-term assets	163,284	159,048
Total assets	2,165,462	2,194,495
Current liabilities:
Lines of credit	28,031	18,068
Accounts payable	211,365	221,254
Accrued liabilities and other	167,392	184,649
Income tax payable	45,603	29,682
Current portion of long-term debt	11,102	17,381
Total current liabilities	463,493	471,034
Long-term debt, net of current portion	192,538	265,574
Deferred tax liabilities	32,432	32,230
Other long-term liabilities	116,980	122,933
Total liabilities	805,443	891,771
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 45,231,793 shares and 45,017,774 shares issued and outstanding at March 31, 2022 and December 31, 2021, respectively	36,338	36,195
Additional paid-in capital	470,363	471,649
Retained earnings	1,189,500	1,116,809
Treasury stock at cost, 9,272,513 shares at March 31, 2022 and at December 31, 2021	(336,894)	(336,894)
Accumulated other comprehensive loss	(61,804)	(50,517)
Total stockholders' equity	1,297,503	1,237,242
Noncontrolling interest	62,516	65,482
Total equity	1,360,019	1,302,724
Total liabilities and stockholders' equity	$ 2,165,462	$ 2,194,495