Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Income Taxes [Abstract]
Loss carryforwards	$ 8,266	$ 8,369
Excess interest carryforward	4,786
Accrued expenses	2,723	4,719
Stock compensation	2,138	2,213
Capital Leases	1,824
Intangible assets	1,316	1,306
Credit carryforwards	939	771
Deferred compensation	778	1,010
UNICAP	404	390
Inventory and deferred preservation costs write-downs	289	570
Tax benefit of tax reserves	217	229
Other	310	539
Less valuation allowance	(3,372)	(2,469)
Total deferred tax assets	20,618	17,647
Intangible assets	(39,730)	(43,647)
Debt costs	(2,331)
Property	(1,060)	(1,632)
Prepaid items	(477)	(285)
Other	(176)	(904)
Total deferred tax liabilities	(43,774)	(46,468)
Total net deferred tax liabilities	$ (23,156)	$ (28,821)