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Property, Plant and Equipment
 12 Months Ended
Dec. 31, 2025
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Property, Plant and Equipment
A summary of gross property, plant and equipment at December 31 is presented in the following table:
($ in millions)Expected useful lives (years)20252024
Land$29.2 $27.9 
Buildings and improvements
15-35
1,180.7 916.1 
Machinery and equipment
5-12
1,388.8 1,229.0 
Molds and dies
4-7
179.4 169.5 
Computer hardware and software
3-10
188.6 232.5 
Construction in progress256.7 410.8 
$3,223.4 $2,985.8 
Depreciation expense for the years ended December 31, 2025, 2024 and 2023 was $168.6 million, $151.8 million and $133.7 million, respectively.
We capitalize interest on borrowings during the active construction period of major capital projects. Capitalized interest is added to the cost of the underlying assets and is amortized over the useful lives of the assets. Capitalized interest for the years ended December 31, 2025, 2024 and 2023 was $14.6 million, $13.2 million and $5.8 million, respectively.