CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 31,469	$ 28,114
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation	9,162	9,205
Deferred income taxes	(486)	313
Amortization of marketable security premiums	1,103	2,325
Changes in operating assets and liabilities:
Accounts receivable	9,438	9,601
Other receivables	1,823	(3,338)
Inventories	(35,338)	(54,304)
Prepaid expenses and other assets	(657)	3,233
Accounts payable and accrued liabilities	798	353
Income taxes payable	(8,643)	(769)
Postretirement health care benefits	(334)	(378)
Deferred compensation and other liabilities	442	503
Net cash provided by (used in) operating activities	8,777	(5,142)
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(8,421)	(10,723)
Purchases of trading securities	(1,587)	(1,358)
Sales of trading securities	442	528
Purchase of available for sale securities	(55,131)	(48,522)
Sale and maturity of available for sale securities	38,779	66,507
Net cash (used in) provided by investing activities	(25,918)	6,432
CASH FLOWS FROM FINANCING ACTIVITIES:
Shares purchased and retired		(16,548)
Dividends paid in cash	(12,634)	(12,531)
Proceeds from bank loans	1,039	1,997
Repayment of bank loans	(1,051)	(2,013)
Net cash used in financing activities	(12,646)	(29,095)
Effect of exchange rate changes on cash	(516)	588
Decrease in cash and cash equivalents	(30,303)	(27,217)
Cash, cash equivalents and restricted cash at beginning of year	76,290	53,635
Cash, cash equivalents and restricted cash at end of quarter	45,987	26,418
Supplemental cash flow information:
Income taxes paid/(received), net	17,728	9,521
Interest paid	137	120
Stock dividend issued	$ 66,243	$ 86,433