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v3.23.1

Property, Plant and Equipment, Net (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022 | Mar. 31, 2022
--- | --- | --- | ---
Property, Plant and Equipment |  |  |
Property, plant and equipment, gross | $ 773,298 | $ 762,422 | $ 645,732
Less accumulated depreciation and amortization | (443,762) | (432,392) | (406,835)
Property, plant and equipment excluding capital projects in progress, net | 329,536 | 330,030 | 238,897
Capital projects in progress | 39,553 | 31,525 | 26,778
Property, plant and equipment, net | 369,089 | 361,555 | 265,675
Land |  |  |
Property, Plant and Equipment |  |  |
Property, plant and equipment, gross | 51,543 | 50,025 | 34,591
Buildings and site improvements |  |  |
Property, Plant and Equipment |  |  |
Property, plant and equipment, gross | 233,141 | 233,123 | 197,180
Leasehold improvements |  |  |
Property, Plant and Equipment |  |  |
Property, plant and equipment, gross | 6,621 | 6,367 | 6,153
Machinery, equipment, and software |  |  |
Property, Plant and Equipment |  |  |
Property, plant and equipment, gross | $ 481,993 | $ 472,907 | $ 407,808

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