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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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

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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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Property, Plant, and Equipment (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Property, Plant, and Equipment
Net depreciated value	$ 284,759us-gaap_PropertyPlantAndEquipmentNet		$ 289,840us-gaap_PropertyPlantAndEquipmentNet
Depreciation and amortization	10,441	10,289
Pre-tax earnings	442	(4,900)
Continuing Operations
Property, Plant, and Equipment
Net depreciated value	284,759
Building and Machinery and Equipment
Property, Plant, and Equipment
Property, plant, and equipment, gross			541,191
Less: accumulated depreciation			(256,173)
Net depreciated value			285,018
Building and Machinery and Equipment \| Continuing Operations
Property, Plant, and Equipment
Property, plant, and equipment, gross	541,338
Less: accumulated depreciation	(261,676)
Net depreciated value	279,662
Buildings
Property, Plant, and Equipment
Property, plant, and equipment, gross			82,021
Buildings \| Continuing Operations
Property, Plant, and Equipment
Property, plant, and equipment, gross	82,021
Machinery and equipment
Property, Plant, and Equipment
Property, plant, and equipment, gross			459,170
Machinery and equipment \| Continuing Operations
Property, Plant, and Equipment
Property, plant, and equipment, gross	459,317
Land
Property, Plant, and Equipment
Net depreciated value			1,697
Land \| Continuing Operations
Property, Plant, and Equipment
Net depreciated value	1,697
Construction in progress
Property, Plant, and Equipment
Net depreciated value			3,125
Construction in progress \| Continuing Operations
Property, Plant, and Equipment
Net depreciated value	3,400
Salvage Value
Property, Plant, and Equipment
Pre-tax earnings	$ (200)