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Summary Of Significant Accounting Policies (Schedule Of Property And Equipment, Estimated Useful Lives) (Details) | 12 Months Ended
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Dec. 31, 2012
Vehicles [Member] |
Property, Plant and Equipment [Line Items] |
Property and equipment, useful life | 5 years
Maximum [Member] | Building And Improvements [Member] |
Property, Plant and Equipment [Line Items] |
Property and equipment, useful life | 39 years
Maximum [Member] | Machinery And Equipment [Member] |
Property, Plant and Equipment [Line Items] |
Property and equipment, useful life | 12 years
Maximum [Member] | Office Equipment [Member] |
Property, Plant and Equipment [Line Items] |
Property and equipment, useful life | 7 years
Minimum [Member] | Building And Improvements [Member] |
Property, Plant and Equipment [Line Items] |
Property and equipment, useful life | 31 years
Minimum [Member] | Machinery And Equipment [Member] |
Property, Plant and Equipment [Line Items] |
Property and equipment, useful life | 5 years
Minimum [Member] | Office Equipment [Member] |
Property, Plant and Equipment [Line Items] |
Property and equipment, useful life | 5 years

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration