CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
CASH FLOWS FROM OPERATING ACTIVITIES:
Net earnings	$ 35,571	$ 31,469
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation	9,185	9,162
Deferred income taxes	797	(486)
Amortization of marketable security premiums	157	1,103
Changes in operating assets and liabilities:
Accounts receivable	(4,477)	9,438
Other receivables	583	1,823
Inventories	(48,821)	(35,338)
Prepaid expenses and other assets	2,916	(657)
Accounts payable and accrued liabilities	3,467	798
Income taxes payable	(2,387)	(8,643)
Postretirement health care benefits	(467)	(334)
Deferred compensation and other liabilities	(1,459)	442
Net cash (used in) provided by operating activities	(4,935)	8,777
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(10,363)	(8,421)
Purchases of trading securities	(1,756)	(1,587)
Sales of trading securities	2,070	442
Purchase of available for sale securities	(13,110)	(55,131)
Sale and maturity of available for sale securities	28,829	38,779
Net cash provided by (used in) investing activities	5,670	(25,918)
CASH FLOWS FROM FINANCING ACTIVITIES:
Shares purchased and retired	(6,483)
Dividends paid in cash	(12,928)	(12,634)
Proceeds from bank loans	1,663	1,039
Repayment of bank loans	(1,689)	(1,051)
Net cash used in financing activities	(19,437)	(12,646)
Effect of exchange rate changes on cash	430	(516)
Decrease in cash and cash equivalents	(18,272)	(30,303)
Cash, cash equivalents and restricted cash at beginning of year	139,193	76,290
Cash, cash equivalents and restricted cash at end of quarter	120,921	45,987
Supplemental cash flow information:
Income taxes paid, net	15,975	17,728
Interest paid	114	137
Stock dividend issued	$ 66,289	$ 66,243