Deferred Preservation Costs And Inventories (Schedule Of Inventories) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Deferred Preservation Costs And Inventories [Abstract]
Raw materials and supplies	$ 6,644	$ 5,836
Work-in-process	899	830
Finished goods	2,663	3,891
Total inventories	$ 10,206	$ 10,557

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Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.

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