CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating Activities
Net income	$ 39,968	$ 41,781
Adjustments to reconcile net income to cash provided by operating activities
Depreciation and amortization	2,974	2,444
Non-cash lease expense	1,369	1,619
Share-based compensation	606	2,275
Amortization of premium on investment securities	0	11
Deferred income taxes	800	0
Change in operating assets and liabilities:
Inventories	21,960	(8,929)
Prepaid expenses and other current assets	6,563	3,107
Other assets	(887)	(6,632)
Accounts payable and accrued expenses	(21,897)	(6,084)
Income taxes payable	12,603	14,081
Net cash flow provided by operating activities	64,059	43,673
Investing Activities
Sale and maturities of investment securities	0	1,245
Purchase of property and equipment	(2,115)	(3,009)
Net cash flow used in investing activities	(2,115)	(1,764)
Financing Activities
Options exercised by directors	105	0
Net shares repurchased for taxes	(3,236)	(1,459)
Cash dividends paid to stockholders	(19,163)	(16,660)
Stock repurchases	(3,602)	(10,000)
Net cash flow used in financing activities	(25,896)	(28,119)
Foreign currency impact	9	30
Increase in cash and cash equivalents	36,057	13,820
Cash and cash equivalents - beginning of the period	87,691	104,183
Cash and cash equivalents - end of period	123,748	118,003
Supplemental disclosure of cash flow information:
Income taxes (refunded) paid	(46)	62
Dividends declared included in accounts payable	$ 18,653	$ 19,663