Property and equipment are stated at cost. Depreciation is calculated using the straight-line method over estimated useful lives as follows:


			Useful Lives


Buildings and building improvements			7 to 39 years
Computer equipment and software			2 to 12 years
Demonstration units			2 to 3 years
Furniture and office equipment			2 to 15 years
Leasehold improvements			Lesser of useful life or term of lease
Machinery, equipment, tooling and other			3 to 20 years
Operating lease assets			Lesser of useful life or term of lease


(in millions)	June 28, 2025		December 28, 2024
Operating lease assets	$	170.0	$	148.6
Machinery, equipment, tooling and other	150.0		147.1
Building and building improvements	143.5		143.5
Land	47.7		47.7
Computer equipment and software	38.4		38.7
Leasehold improvements	33.3		31.2

Furniture and office equipment	16.2		15.8
Demonstration units	0.5		0.5

Construction-in-progress (CIP)	28.0		29.0
Total property and equipment	627.6		602.1
Accumulated depreciation	(290.0)		(265.1)
Property and equipment, net	$	337.6	$	337.0