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Property, Plant and Equipment
12 Months Ended
Jan. 02, 2021
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT PROPERTY, PLANT AND EQUIPMENT
A summary of property, plant and equipment follows (in thousands):
        
 January 2, 2021December 28, 2019
Land$170,237 $157,721 
Buildings and improvements684,459 619,212 
Machinery and equipment2,219,797 2,002,237 
Vehicles302,641 269,529 
Aircraft9,708 9,708 
Construction in process179,095 182,392 
3,565,937 3,240,799 
Accumulated depreciation(1,702,123)(1,438,388)
$1,863,814 $1,802,411