Depreciation and amortization are provided for using principally the straight-line method over the estimated useful lives of the assets as follows:
Buildings
20 - 30 years
Machinery and other equipment
8 - 15 years
Computer equipment and software
3 - 5 years
The components of property, plant and equipment at December 31 were as follows:

 20252024
Land$0.8 $1.0 
Buildings and leasehold improvements60.9 59.4 
Machinery and other equipment186.7 177.6 
Computer equipment123.4 114.1 
Software71.4 75.6 
Property, plant and equipment, gross443.2 427.7 
Accumulated depreciation(286.3)(278.0)
Property, plant and equipment, net$156.9 $149.7 

Historical Timeline

Fiscal YearFiled
2025Feb 24, 2026Showing above
2024Feb 24, 2025
2023Feb 22, 2024
2022Feb 27, 2023
2021Feb 22, 2022
2020Feb 22, 2021
2019Feb 28, 2020
2018Feb 25, 2019
2017Feb 23, 2018
2016Feb 27, 2017
2015Feb 26, 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.