CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Activities
Net income	$ 143,568	$ 164,031	$ 102,859
Adjustments to reconcile net income to cash provided by operating activities
Depreciation and amortization	10,980	6,812	4,316
Non-cash lease expense	6,098	5,069	3,189
Share-based compensation	11,053	9,903	6,796
Loss on sale or disposal of property, plant and equipment	2,130	2	212
Amortization of premium on investment securities	14	89	320
Deferred income taxes	(924)	(3,715)	601
Change in operating assets and liabilities:
Inventories	61,187	(126,651)	(4,621)
Income taxes	1,373	(945)	5,169
Prepaid expenses and other current assets	97	(9,887)	1,086
Other assets	(3,412)	(4,543)	(2,741)
Accounts payable and accrued expenses	(37,594)	54,380	28,010
Net cash flow provided by operating activities	194,570	94,545	145,196
Investing Activities
Sale and maturities of investment securities	5,267	5,145	4,605
Purchase of property and equipment	(16,681)	(34,209)	(5,887)
Net cash flow used in investing activities	(11,414)	(29,064)	(1,282)
Financing Activities
Options exercised by executives and directors	0	811	1,597
Net shares repurchased for taxes	(1,516)	(6,089)	(551)
Cash dividends paid to stockholders	(71,620)	(63,856)	(53,190)
Stock repurchases	(126,445)	(55,999)	(5,000)
Net cash flow used in financing activities	(199,581)	(125,133)	(57,144)
Foreign currency impact	(67)	112	(21)
(Decrease) Increase in cash and cash equivalents	(16,492)	(59,540)	86,749
Cash and cash equivalents - beginning of the period	104,183	163,723	76,974
Cash and cash equivalents - end of period	87,691	104,183	163,723
Supplemental disclosure of cash flow information
Income taxes paid	37,212	56,758	24,636
Dividends declared included in accounts payable	$ 19,641	$ 17,186	$ 13,831