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Property, Plant and Equipment
 12 Months Ended
Dec. 31, 2022
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT PROPERTY, PLANT AND EQUIPMENT
A summary of property, plant and equipment follows (in thousands):
        
 December 31, 2022January 1, 2022
Land$201,572 $161,244 
Buildings and improvements873,080 701,594 
Machinery and equipment2,683,991 2,299,417 
Vehicles433,183 328,768 
Aircraft15,004 9,708 
Construction in process310,180 194,769 
4,517,010 3,695,500 
Accumulated depreciation(2,054,928)(1,855,420)
$2,462,082 $1,840,080 
Depreciation expense for the three years ended December 31, 2022, January 1, 2022 and January 2, 2021, was approximately $306.0 million, $249.0 million and $276.2 million, respectively.