INCOME TAXES (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Domestic and foreign components of pretax income
Domestic	$ 87,016	$ 82,276	$ 81,255
Foreign	10,896	10,302	10,039
Earnings before income taxes	97,912	92,578	91,294
Current:
Federal	28,484	26,259	25,173
Foreign	86	(596)	549
State	1,954	785	1,538
Total current	30,524	26,448	27,260
Deferred:
Federal	(2,547)	(1,189)	(172)
Foreign	3,323	2,106	2,032
State	(707)	(914)	(686)
Total deferred	69	3	1,174
Total provision for income taxes	30,593	26,451	$ 28,434
Deferred tax assets:
Accrued customer promotions	3,194	3,907
Deferred compensation	26,509	23,842
Postretirement benefits	4,732	4,543
Other accrued expenses	6,543	8,324
Foreign subsidiary tax loss carry forward	8,452	9,956
Tax credit carry forward	2,514	2,319
Deferred tax assets, gross	51,944	52,891
Valuation allowance	(2,317)	(2,077)
Total deferred tax assets	49,627	50,814
Deferred tax liabilities:
Depreciation	28,049	29,062
Deductible goodwill and trademarks	45,733	44,255
Accrued export company commissions	6,044	5,897
Employee benefit plans	928	2,403
Inventory reserves	3,529	3,793
Prepaid insurance	1,015	1,065
Deferred foreign exchange gain	436
Unrealized capital gain	733	362
Deferred gain on sale of real estate	8,093	8,154
Total deferred tax liabilities	94,560	94,991
Net deferred tax liability	44,933	$ 44,177
Benefits related to foreign subsidiary tax credit carryforwards	268
State tax credit carry-forwards expiring in 2018	313
State tax credit carry-forwards expiring in 2019	1,080
State tax credit carry-forwards expiring in 2020	$ 853