Property, plant and equipment, net includes the following:
 December 31
 20252024
Coal lands and real estate$72,490 $70,766 
Mineral interests73,850 69,148 
Plant and equipment354,447 317,933 
Property, plant and equipment, at cost500,787 457,847 
Less allowances for depreciation, depletion and amortization
213,241 198,390 
 $287,546 $259,457 

Historical Timeline

Fiscal YearFiled
2025Mar 4, 2026Showing above
2024Mar 5, 2025
2023Mar 6, 2024
2022Mar 15, 2023
2021Mar 2, 2022
2020Mar 3, 2021
2019Mar 4, 2020
2018Mar 6, 2019
2017Mar 7, 2018
2016Mar 1, 2017
2015Mar 2, 2016

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.