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Property and Equipment (Tables)
3 Months Ended
Apr. 03, 2021
Property, Plant and Equipment [Abstract]  
Schedule of Property, Plant and Equipment
Property and equipment are stated at cost. Depreciation is calculated using the straight-line method over estimated useful lives as follows:
Useful Lives
Building and building improvements
7 to 39 years
Computer equipment and software
2 to 12 years
Demonstration units3 years
Furniture and office equipment
2 to 6 years
Leasehold improvementsLesser of useful life or term of lease
Machinery, equipment and tooling
3 to 10 years
Transportation, vehicles and other
4 to 20 years
Property and equipment, net, consists of the following (in thousands):
April 3,
2021
January 2,
2021
Building and building improvements$141,219 $122,310 
Machinery, equipment and tooling95,828 90,843 
Land57,002 57,151 
Transportation, vehicles and other33,133 33,175 
Computer equipment and software25,142 24,693 
Leasehold improvements19,847 19,295 
Furniture and office equipment14,057 13,567 
Demonstration units1,016 1,024 
Construction-in-progress (CIP)25,869 44,589 
     Total property and equipment413,113 406,647 
Accumulated depreciation(138,543)(134,136)
     Property and equipment, net$274,570 $272,511