CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 18,041	$ 15,835
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation	4,571	4,580
Deferred income taxes	12	(345)
Amortization of marketable security premiums	93	642
Changes in operating assets and liabilities:
Accounts receivable	3,977	11,378
Other receivables	857	2,626
Inventories	(18,748)	(13,262)
Prepaid expenses and other assets	1,018	(250)
Accounts payable and accrued liabilities	(3,999)	(3,414)
Income taxes payable	158	3,797
Postretirement health care benefits	(240)	(152)
Deferred compensation and other liabilities	(2,138)	(34)
Net cash provided by operating activities	3,602	21,401
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(2,852)	(4,494)
Purchases of trading securities	(1,508)	(1,296)
Sales of trading securities	2,070	430
Purchase of available for sale securities	(13,110)	(27,297)
Sale and maturity of available for sale securities	11,727	12,655
Net cash used in investing activities	(3,673)	(20,002)
CASH FLOWS FROM FINANCING ACTIVITIES:
Shares purchased and retired	(6,483)
Dividends paid in cash	(12,781)	(12,491)
Proceeds from bank loans	895	1,039
Repayment of bank loans	(884)	(1,055)
Net cash used in financing activities	(19,253)	(12,507)
Effect of exchange rate changes on cash	26	71
Decrease in cash and cash equivalents	(19,298)	(11,037)
Cash, cash equivalents and restricted cash at beginning of year	139,193	76,290
Cash, cash equivalents and restricted cash at end of quarter	119,895	65,253
Supplemental cash flow information:
Income taxes paid, net	4,827	565
Interest paid	54	66
Stock dividend issued	$ 66,289	$ 66,243