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Plant, Equipment and Timberlands (Tables)
12 Months Ended
Dec. 31, 2022
Property, Plant and Equipment [Abstract]  
Summary of Plant, Equipment and Timberlands
The range of estimated service lives used to calculate financial reporting depreciation for principal items of plant and equipment are as follows:
Buildings
15 – 45 years
Machinery and equipment
5 – 40 years
Other
3 – 25 years
Plant, equipment and timberlands at December 31 were as follows:
In thousands20222021
Land$23,718 $25,978 
Building228,310 210,371 
Machinery, equipment & other1,031,012 1,058,110 
Accumulated depreciation(645,404)(591,803)
637,636 702,656 
Construction in progress38,175 56,156 
Total$675,811 $758,812