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Summary of Significant Accounting Policies - Property, Plant and Equipment (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Property, Plant & Equipment: |  |
Depreciation expense | $ 4,783 | $ 4,421
Capitalized interest expense | $ 63 | $ 174
Land improvements |  |
Property, Plant & Equipment: |  |
Useful life | 20 years |
Buildings and improvements | Minimum |  |
Property, Plant & Equipment: |  |
Useful life | 20 years |
Buildings and improvements | Maximum |  |
Property, Plant & Equipment: |  |
Useful life | 40 years |
Machinery and equipment | Minimum |  |
Property, Plant & Equipment: |  |
Useful life | 3 years |
Machinery and equipment | Maximum |  |
Property, Plant & Equipment: |  |
Useful life | 15 years |
Tools, dies and patterns | Minimum |  |
Property, Plant & Equipment: |  |
Useful life | 3 years |
Tools, dies and patterns | Maximum |  |
Property, Plant & Equipment: |  |
Useful life | 5 years |

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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Amount of interest capitalized during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Allowance for Funds Used during Construction -URI http://asc.fasb.org/extlink&oid=6504829 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 + Details
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- Details
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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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