Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
CURRENT ASSETS:
Cash and cash equivalents	$ 462,037	$ 396,097	[1]
Short-term investment securities	14,661	14,687	[1]
TOTAL CASH, CASH EQUIVALENTS AND INVESTMENT SECURITIES	476,698	410,784	[1]
Accounts receivable, net of allowance for doubtful accounts of $14,590 at June 30 2021 and $21,490 at December 31, 2020	120,782	124,093	[1]
Inventories	299,610	314,928	[1]
Prepaid income taxes	38,285	29,480	[1]
Prepaid expenses and other current assets	37,979	41,492	[1]
TOTAL CURRENT ASSETS	973,354	920,777	[1]
PROPERTY AND EQUIPMENT, net	458,785	466,628	[1]
Operating Lease, Right-of-Use Asset	43,315	46,571	[1]
Long-term investment securities	15,670	12,974
GOODWILL	32,927	33,001	[1]
INTANGIBLE ASSETS, net	189,620	197,231	[1]
Deferred Income Tax Assets	31,120	31,034
OTHER ASSETS	58,051	55,475	[1]
TOTAL ASSETS	1,802,842	1,763,691	[1]
CURRENT LIABILITIES:
Accounts payable	69,782	71,864	[1]
Accrued liabilities	85,283	97,021	[1]
Income tax liability	2,299	303	[1]
Contingent earn-out liability	26,300	26,300
TOTAL CURRENT LIABILITIES	183,664	195,488	[1]
Other long-term liabilities	42,951	47,835
DEFERRED INCOME TAXES	1,663	1,663	[1]
INCOME TAX LIABILITY	17,299	16,440	[1]
COMMITMENTS AND CONTINGENCIES	0	0	[1]
STOCKHOLDERS' EQUITY:
Convertible preferred stock, $1.00 par value Authorized-500 shares; Issued and outstanding - none	0	0	[1]
Common stock, $0.10 par value - Authorized-80,000 shares; Issued 21,219 shares at June 30, 2021 and 21,058 shares at December 31, 2020 and outstanding 21,208 shares at June 30, 2021 and 21,058 shares at December 31, 2020	2,122	2,106	[1]
Additional paid-in capital	705,582	693,068	[1]
Treasury Stock, at cost (26,785 and 209 shares, respectively)	(2,269)	(39)	[1]
Retained earnings	860,781	808,652	[1]
Accumulated other comprehensive loss	(8,951)	(1,522)	[1]
TOTAL STOCKHOLDERS' EQUITY	1,557,265	1,502,265	[1]
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 1,802,842	$ 1,763,691	[1]

[1] December 31, 2020 balances were derived from audited consolidated financial statements.