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Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Property, Plant and Equipment
Property, plant and equipment, gross	$ 847,644	$ 832,407	$ 773,298
Less: accumulated depreciation and amortization	(486,564)	(474,974)	(443,762)
Property, plant and equipment excluding capital projects in progress, net	361,080	357,433	329,536
Capital projects in progress	76,349	61,179	39,553
Property, plant and equipment, net	437,429	418,612	369,089
Land
Property, Plant and Equipment
Property, plant and equipment, gross	62,036	62,587	51,543
Buildings and site improvements
Property, Plant and Equipment
Property, plant and equipment, gross	245,240	246,021	233,141
Leasehold improvements
Property, Plant and Equipment
Property, plant and equipment, gross	10,085	7,782	6,621
Machinery and equipment
Property, Plant and Equipment
Property, plant and equipment, gross	$ 530,283	$ 516,017	$ 481,993

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- Definition

Represents the aggregate of long-lived physical assets excluding capital projects in progress used in the normal conduct of business and not intended for resale.

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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 structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

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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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