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PROPERTY, PLANT AND EQUIPMENT
12 Months Ended
Dec. 25, 2021
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT PROPERTY, PLANT AND EQUIPMENT
Property, plant and equipment, at cost, consist of the following:
20212020
Land and improvements
$112,236 $114,831 
Buildings and improvements
413,884 373,271 
Machinery and equipment
672,319 616,765 
Transportation equipment
27,020 28,610 
Office furniture and equipment
117,757 101,487 
Construction in progress
78,885 106,416 
$1,422,101 $1,341,380