Estimated useful lives for major classes of depreciable assets are generally as follows: 
Buildings and improvements
5-39 years
Machinery and equipment
3-7 years
Computer hardware and software
3-10 years
Property, plant and equipment as of September 27, 2025 and September 28, 2024 consisted of the following (in thousands):
20252024
Land, buildings and improvements$436,166 $424,453 
Machinery and equipment513,352 508,051 
Computer hardware and software185,778 178,835 
Capital assets in progress91,366 23,868 
Total property, plant and equipment, gross1,226,662 1,135,207 
Less: accumulated depreciation(680,610)(634,095)
Total property, plant and equipment, net$546,052 $501,112 

Historical Timeline

Fiscal YearFiled
2025Nov 14, 2025Showing above
2024Nov 15, 2024
2023Nov 17, 2023
2022Nov 18, 2022
2021Nov 19, 2021
2020Nov 20, 2020
2019Nov 15, 2019
2018Nov 16, 2018
2017Nov 17, 2017
2016Nov 18, 2016
2015Nov 20, 2015

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.