Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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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.

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Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of.

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The increase (decrease) during the period in book value of long-lived assets that the reporting entity plans to sell within one year (or one business cycle).

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The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.

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-Glossary Investing Activities

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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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.

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Amount of write-down of additional assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill

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Represents the amount of long-lived assets that are converted and sold during the period.

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Property, Plant, and Equipment (Details) (USD $)	12 Months Ended
Property, Plant, and Equipment (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment
Gross property, plant, and equipment	$ 170,542,000us-gaap_PropertyPlantAndEquipmentGross	$ 180,701,000us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation and amortization	91,790,000	91,562,000
Net property, plant, and equipment	78,752,000us-gaap_PropertyPlantAndEquipmentNet	89,139,000us-gaap_PropertyPlantAndEquipmentNet
Depreciation	11,400,000us-gaap_Depreciation	12,900,000us-gaap_Depreciation	11,300,000us-gaap_Depreciation
Assets held for sale	6,000,000
Property, plant and equipment, net
Transfers from property, plant and equipment	9,500,000
Asset impairment	58,170,000us-gaap_AssetImpairmentCharges	1,220,000us-gaap_AssetImpairmentCharges	1,335,000us-gaap_AssetImpairmentCharges
Assets held for sale	6,000,000
Property, Plant and Equipment
Property, plant and equipment, net
Asset impairment	3,500,000
Tools
Property, Plant and Equipment
Assets held for sale	1,300,000	7,200,000
Aggregate sales	8,900,000	7,400,000
Assets converted and sold	7,400,000	3,700,000
Property, plant and equipment, net
Asset impairment	100,000	900,000
Assets held for sale	1,300,000	7,200,000
Aggregate selling price	8,900,000	7,400,000
Land
Property, Plant and Equipment
Gross property, plant, and equipment	9,392,000	12,535,000
Property, plant and equipment, net
Asset impairment	1,900,000
Building and improvements
Property, Plant and Equipment
Gross property, plant, and equipment	51,979,000	52,050,000
Building and improvements \| Minimum
Property, Plant and Equipment
Estimated useful lives	10 years
Building and improvements \| Maximum
Property, Plant and Equipment
Estimated useful lives	40 years
Machinery and equipment
Property, Plant and Equipment
Gross property, plant, and equipment	104,815,000	110,228,000
Property, plant and equipment, net
Asset impairment charges	700,000
Machinery and equipment \| Minimum
Property, Plant and Equipment
Estimated useful lives	3 years
Machinery and equipment \| Maximum
Property, Plant and Equipment
Estimated useful lives	10 years
Machinery and equipment \| Asia
Property, plant and equipment, net
Asset impairment	1,600,000
Leaseholds improvements
Property, Plant and Equipment
Gross property, plant, and equipment	$ 4,356,000	$ 5,888,000
Leaseholds improvements \| Minimum
Property, Plant and Equipment
Estimated useful lives	3 years
Leaseholds improvements \| Maximum
Property, Plant and Equipment
Estimated useful lives	7 years