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Inventories and Deferred Preservation Costs, net (Narrative) (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Inventory [Line Items]    
Consignment inventory $ 10.7 $ 12.7
Inventory valuation reserve $ 3.0 $ 2.2
Domestic    
Inventory [Line Items]    
Consignment inventory percentage 44.00% 41.00%
Foreign    
Inventory [Line Items]    
Consignment inventory percentage 56.00% 59.00%