INCOME TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Domestic and foreign components of pretax income
Domestic	$ 66,253	$ 76,042	$ 87,016
Foreign	6,953	8,519	10,896
Earnings before income taxes	73,206	84,561	97,912
Current:
Federal	12,414	6,019	28,484
Foreign			86
State	1,421	369	1,954
Total current	13,835	6,388	30,524
Deferred:
Federal	(577)	(7,191)	(2,547)
Foreign	2,685	3,425	3,323
State	458	1,285	(707)
Total deferred	2,566	(2,481)	69
Total provision for income taxes	16,401	3,907	$ 30,593
Deferred tax assets:
Accrued customer promotions	913	1,583
Deferred compensation	15,872	15,403
Postretirement benefits	3,119	3,352
Other accrued expenses	4,520	4,200
Foreign subsidiary tax loss carry forward	5,731	7,270
Outside basis difference in foreign subsidiary	273
Unrealized capital losses	472
Deductible state tax depreciation	390
Tax credit carry forward	2,989	3,435
Deferred tax assets, gross	34,279	35,243
Valuation allowance	(3,892)	(3,269)
Total deferred tax assets	30,387	31,974
Deferred tax liabilities:
Depreciation	21,637	18,791
Deductible goodwill and trademarks	35,037	34,593
Accrued export company commissions	4,211	4,189
Employee benefit plans	3,539	4,662
Inventory reserves	2,784	2,147
Prepaid insurance	735	769
Other prepaid expenses		1,196
Deferred foreign exchange gain	577	405
Unrealized capital gain		977
Deferred gain on sale of real estate	5,286	5,278
Total deferred tax liabilities	73,806	73,007
Net deferred tax liability	43,419	$ 41,033
State tax credit carry-forwards expiring in 2019	478
State tax credit carry-forwards expiring in 2020	672
State tax credit carry-forwards expiring in 2021	524
State tax credit carry-forwards expiring in 2028	14
State tax credit carry-forwards expiring in 2029	64
State tax credit carry-forwards expiring in 2030	222
State tax credit carry-forwards expiring in 2031	234
State tax credit carry-forwards expiring in 2032	248
State tax credit carry-forwards expiring in 2033	$ 236
U.S. statutory rate (as a percent)	21.00%	35.00%	35.00%