The following table summarizes the components of property, plant, and equipment as of December 31, 2025 and 2024.
December 31,
2025
December 31,
2024
 (in millions)
Land$197.0 $158.3 
Mineral reserves1,114.7 1,111.7 
Buildings and improvements443.5 366.4 
Machinery and other1,292.9 1,292.8 
Construction in progress136.5 129.7 
3,184.6 3,058.9 
Less accumulated depreciation and depletion(1,086.8)(929.5)
$2,097.8 $2,129.4 

Historical Timeline

Fiscal YearFiled
2025Feb 27, 2026Showing above
2024Feb 28, 2025
2023Feb 23, 2024
2022Feb 24, 2023
2021Feb 24, 2022
2020Feb 25, 2021
2019Feb 27, 2020
2018Feb 28, 2019

About PP&E Disclosures

The PP&E disclosure details a company's physical asset base — land, buildings, machinery, and equipment — along with the depreciation methods and useful life assumptions that determine how these costs flow through the income statement. Capitalization policy thresholds reveal management's judgment on the boundary between expense and asset, directly affecting both reported earnings and asset values.

Key signals: changes in estimated useful lives or depreciation methods can materially shift reported earnings without any operational change. Compare capital expenditures against depreciation expense — when capex consistently trails depreciation, the asset base may be aging and underinvested. Watch for large asset impairments or write-downs that signal overvalued carrying amounts. Asset retirement obligations reveal future environmental or decommissioning costs that are often underappreciated. Compare PP&E intensity (PP&E-to-revenue) against industry peers to assess capital efficiency and competitive positioning.