INCOME TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Domestic and foreign components of pretax income
Domestic	$ 105,018	$ 84,286	$ 77,434
Foreign	14,876	13,855	8,295
Earnings before income taxes	119,894	98,141	85,729
Current:
Federal	21,710	13,070	16,886
Foreign	3,775	4,110	1,983
State	3,738	2,605	2,822
Total current	29,223	19,785	21,691
Deferred:
Federal	(1,209)	2,364	(2,069)
Foreign	658	81	39
State	(664)	19	760
Total deferred	(1,215)	2,464	(1,270)
Total provision for income taxes	28,008	22,249	$ 20,421
Deferred tax assets:
Accrued customer promotions	1,223	1,269
Deferred compensation	21,617	17,533
Postretirement benefits	2,572	2,466
Other accrued expenses	4,214	7,744
Foreign subsidiary tax loss carry forward	5,012	4,650
Outside basis difference in foreign subsidiary	361	359
Capitalized research and development costs	6,594	2,049
Deductible state tax depreciation	1,386	893
Tax credit carry forward	2,368	2,047
Deferred tax assets, gross	45,347	39,010
Valuation allowance	(6,361)	(5,703)
Total deferred tax assets	38,986	33,307
Deferred tax liabilities:
Depreciation	27,604	27,153
Deductible goodwill and trademarks	38,512	37,608
Accrued export company commissions	4,735	4,580
Employee benefit plans	4,000	395
Inventory reserves	(688)	934
Prepaid insurance	721	1,016
Unrealized capital gains	2,633	(160)
Deferred foreign exchange gain		119
Deferred gain on sale of real estate	5,240	5,213
Total deferred tax liabilities	82,757	76,858
Net deferred tax liability	$ 43,771	$ 43,551