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Property, Plant, and Equipment (Summary of Property, Plant, and Equipment) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	$ 437,476	$ 444,202
Less accumulated depreciation and amortization	(194,552)	(184,147)
Total property, plant, and equipment, net	242,924	260,055
Buildings
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	127,700	124,326
Leasehold improvement
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	27,356	30,028
Land
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	7,645	7,719
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	207,595	211,666
Furniture, fixtures, and automobiles
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	27,123	26,482
Construction in progress
Property, Plant and Equipment [Line Items]
Total property, plant, and equipment	$ 40,057	$ 43,981

X

- Definition

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

+ References

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- Definition

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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