Property, plant and equipment	6 Months Ended
Jun. 30, 2014
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment Disclosure	6. Property, plant and equipment Depreciation and amortization expense of property, plant, and equipment for the six months ended June 30, 2014 and 2013 was $10,988,000 and $9,292,000, respectively.

- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

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