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Plant, Equipment and Timberlands (Tables)
12 Months Ended
Dec. 31, 2021
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 thousands20212020
Land and buildings$236,347 $173,646 
Machinery and equipment838,999 754,737 
Furniture, fixtures, and other219,111 160,922 
Accumulated depreciation(591,803)(569,386)
702,654 519,919 
Construction in progress56,156 23,330 
Timberlands, less depletion2 18 
Total$758,812 $543,267