Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
CURRENT ASSETS:
Cash and cash equivalents	$ 350,993	$ 268,670	[1]
Short-term investment securities	12,544	23,967	[1]
TOTAL CASH, CASH EQUIVALENTS AND INVESTMENT SECURITIES	363,537	292,637	[1]
Accounts receivable, net of allowance for doubtful accounts of $19,648 at June 30, 2020 and $20,219 at December 31, 2019	164,538	202,219	[1]
Inventories	321,961	337,640	[1]
Prepaid income taxes	8,032	15,720	[1]
Prepaid expenses and other current assets	42,071	33,981	[1]
TOTAL CURRENT ASSETS	900,139	882,197	[1]
PROPERTY AND EQUIPMENT, net	456,348	456,085	[1]
Operating Lease, Right-of-Use Asset	47,802	34,465	[1]
GOODWILL	32,651	31,245	[1]
INTANGIBLE ASSETS, net	200,428	211,408	[1]
Deferred Income Tax Assets, Net	36,373	27,998
OTHER ASSETS	55,795	48,984	[1]
TOTAL ASSETS	1,729,536	1,692,382	[1]
CURRENT LIABILITIES:
Accounts payable	81,027	128,629	[1]
Accrued liabilities	103,397	117,776	[1]
Accrued Income Taxes, Current	935	2,063	[1]
TOTAL CURRENT LIABILITIES	185,359	248,468	[1]
CONTINGENT EARN-OUT LIABILITY	24,300	17,300	[1]
Other Liabilities, Noncurrent	48,750	32,820
DEFERRED INCOME TAXES	2,091	2,091	[1]
INCOME TAX LIABILITY	16,816	14,459	[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 20,937 shares at June 30, 2020 and 20,743 shares at December 31, 2019 and outstanding 20,936 shares at June 30, 2020 and 20,742 shares at December 31, 2019	2,097	2,074	[1]
Additional paid-in capital	683,326	668,947	[1]
Treasury Stock, at cost	(180)	(157)	[1]
Retained earnings	782,510	721,782	[1]
Accumulated other comprehensive loss	(15,533)	(15,402)	[1]
TOTAL STOCKHOLDERS' EQUITY	1,452,220	1,377,244	[1]
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 1,729,536	$ 1,692,382	[1]
Convertible preferred stock, par value	$ 1.00
Convertible preferred stock, authorized shares	500,000
Convertible preferred stock, issued shares	0
Convertible preferred stock, outstanding shares	0	0
Common stock, par value	$ 0.10
Common stock, shares authorized	80,000,000
Common stock, shares issued	20,969,000	20,743,000
Common stock, shares outstanding	20,968,000	20,742,000
Treasury Stock, Shares	(928)	(850)
Accounts Receivable, Allowance for Credit Loss	$ 22,299	$ 20,219

[1] December 31, 2019 balances were derived from audited consolidated financial statements.