XML 27 R14.htm IDEA: XBRL DOCUMENT v3.22.0.1
Property, plant and equipment
 12 Months Ended
Dec. 31, 2021
Property, Plant and Equipment [Abstract]  
Property, plant and equipment Property, plant and equipment
Details of the Company's property, plant and equipment at December 31 are as follows:
20212020
Land$112,714 $119,262 
Timber resources42,355 42,310 
Buildings550,497 566,529 
Machinery and equipment3,179,781 3,191,008 
Construction in progress237,056 132,223 
4,122,402 4,051,332 
Accumulated depreciation and depletion(2,824,902)(2,807,222)
Property, plant and equipment, net$1,297,500 $1,244,110 

Depreciation and depletion expense amounted to $189,667 in 2021, $201,004 in 2020 and $186,540 in 2019.