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Property and Equipment, net
 12 Months Ended
Dec. 31, 2023
Property, Plant and Equipment [Abstract]  
Property and Equipment, net Property and Equipment, net
The following table details our property and equipment, net. 
 December 31,
(In millions)20232022
Land and improvements$47.5 $44.1 
Buildings835.8 783.1 
Machinery and equipment2,811.5 2,612.3 
Other property and equipment142.0 124.5 
Construction-in-progress227.0 222.4 
Property and equipment, gross4,063.8 3,786.4 
Accumulated depreciation and amortization
(2,647.4)(2,510.5)
Property and equipment, net$1,416.4 $1,275.9 
For the year ended December 31, 2023, we recorded an impairment charge of approximately $25.8 million within (Loss) Gain on disposal and sale of businesses and property and equipment, net on the Consolidated Statements of Operations, related to closure activity of Kevothermal, the plant-based rollstock business and other activities as part of the CTO2Grow Program. See Note 12, "Restructuring Activities," for further details related to the business closure activity.
The following table details our interest cost capitalized and depreciation and amortization expense for property and equipment and finance lease ROU assets. 
 Year Ended December 31,
(In millions)202320222021
Interest cost capitalized$13.1 $8.9 $6.8 
Depreciation and amortization expense(1)
$170.7 $148.5 $147.6 
 
(1)Includes amortization expense of finance lease ROU assets of $10.0 million, $10.5 million, and $10.6 million for the years ended December 31, 2023, 2022 and 2021, respectively.