Goodwill and Intangible Assets - Purchased Intangible Assets (Details) - USD ($) $ in Millions	Mar. 29, 2026	Dec. 28, 2025
Acquired finite-lived intangible assets:
Gross Value	$ 369.6	$ 198.0
Accumulated Amortization	(156.8)	(151.0)
Net Value	212.8	47.0
Total intangible assets, gross value	376.5	204.9
Total intangible assets, net value	219.7	53.9
Trade names
Acquired finite-lived intangible assets:
Indefinite-lived trade names	6.9	6.9
Customer relationships
Acquired finite-lived intangible assets:
Gross Value	123.6	86.7
Accumulated Amortization	(69.3)	(68.2)
Net Value	54.3	18.5
Contracts and backlog
Acquired finite-lived intangible assets:
Gross Value	86.7	54.5
Accumulated Amortization	(50.3)	(47.7)
Net Value	36.4	6.8
Non-compete Agreements
Acquired finite-lived intangible assets:
Gross Value	0.5	0.5
Accumulated Amortization	(0.1)	(0.1)
Net Value	0.4	0.4
Developed technology and technical know-how
Acquired finite-lived intangible assets:
Gross Value	49.9	35.1
Accumulated Amortization	(31.4)	(30.8)
Net Value	18.5	4.3
Trade names
Acquired finite-lived intangible assets:
Gross Value	92.1	4.4
Accumulated Amortization	(4.9)	(3.5)
Net Value	87.2	0.9
In-process research and development
Acquired finite-lived intangible assets:
Gross Value	16.8	16.8
Accumulated Amortization	(0.8)	(0.7)
Net Value	$ 16.0	$ 16.1