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Rental And Lease Information (Assets Recorded Under Capital Leases Table) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Capital Leased Assets [Line Items]    
Capital Leased Assets, Gross $ 638us-gaap_CapitalLeasedAssetsGross $ 13,199us-gaap_CapitalLeasedAssetsGross
Less accumulated amortization 181us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation 12,676us-gaap_CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation
Net capital lease assets 457us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet 523us-gaap_CapitalLeasesBalanceSheetAssetsByMajorClassNet
Land Improvements [Member]    
Capital Leased Assets [Line Items]    
Capital Leased Assets, Gross 0us-gaap_CapitalLeasedAssetsGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandImprovementsMember
6,373us-gaap_CapitalLeasedAssetsGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandImprovementsMember
Machinery and Equipment [Member]    
Capital Leased Assets [Line Items]    
Capital Leased Assets, Gross 638us-gaap_CapitalLeasedAssetsGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_MachineryAndEquipmentMember
6,427us-gaap_CapitalLeasedAssetsGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_MachineryAndEquipmentMember
Building [Member]    
Capital Leased Assets [Line Items]    
Capital Leased Assets, Gross $ 0us-gaap_CapitalLeasedAssetsGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingMember
$ 399us-gaap_CapitalLeasedAssetsGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingMember