Goodwill and Other Intangible Assets - Acquired Developed Technology and Other Intangibles (Details) - USD ($) $ in Millions	Dec. 27, 2025	Jun. 28, 2025
Finite-Lived Intangible Assets
Gross Carrying Amounts	$ 1,267.4	$ 1,267.7
Accumulated Amortization	(870.7)	(802.6)
Net Carrying Amounts	396.7	465.1
In-process research and development
Finite-Lived Intangible Assets
Indefinite-lived intangible asset (excluding goodwill)	2.5	8.5
Acquired developed technologies
Finite-Lived Intangible Assets
Gross Carrying Amounts	828.4	822.4
Accumulated Amortization	(599.3)	(559.0)
Net Carrying Amounts	$ 229.1	$ 263.4
Weighted Average Remaining Amortization Period (Years)	3 years 9 months 18 days	4 years 1 month 6 days
Customer relationships
Finite-Lived Intangible Assets
Gross Carrying Amounts	$ 419.5	$ 419.8
Accumulated Amortization	(254.4)	(226.6)
Net Carrying Amounts	$ 165.1	$ 193.2
Weighted Average Remaining Amortization Period (Years)	3 years 8 months 12 days	4 years 1 month 6 days
Order backlog
Finite-Lived Intangible Assets
Gross Carrying Amounts	$ 14.0	$ 14.0
Accumulated Amortization	(14.0)	(14.0)
Net Carrying Amounts	0.0	0.0
Trade name and trademarks
Finite-Lived Intangible Assets
Gross Carrying Amounts	3.0	3.0
Accumulated Amortization	(3.0)	(3.0)
Net Carrying Amounts	$ 0.0	$ 0.0