Reportable Segments - Summary of Segment Data (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2024	Sep. 29, 2023	Sep. 27, 2024	Sep. 29, 2023	Dec. 29, 2023
Revenues:
Total segment revenues	$ 540.4	$ 435.0	$ 1,534.3	$ 1,289.8
Gross margin:
Total segment gross margin	93.4	65.2	264.5	206.3
Operating profit:
Total segment income from operations	25.2	5.7	65.3	30.7
Assets
Total segment assets	1,947.5		1,947.5		$ 1,867.7
Products
Revenues:
Total segment revenues	479.0	380.9	1,350.2	1,112.0
Gross margin:
Total segment gross margin	75.7	51.6	209.0	156.5
Operating profit:
Total segment income from operations	22.4	7.7	55.9	27.3
Assets
Total segment assets	1,670.8		1,670.8		1,617.5
Services
Revenues:
Total segment revenues	61.4	54.1	184.1	177.8
Gross margin:
Total segment gross margin	17.7	13.6	55.5	49.8
Operating profit:
Total segment income from operations	2.8	$ (2.0)	9.4	$ 3.4
Assets
Total segment assets	$ 276.7		$ 276.7		$ 250.2