Acquired Developed Technology and Other Intangibles - Summary of Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 29, 2024	Jul. 01, 2023
Acquired developed technology, customer relationships and other intangibles
Gross Carrying Amount	$ 667.7	$ 673.5
Accumulated Amortization	(629.5)	(614.9)
Total amortization	$ 38.2	$ 58.6
Impairment, Intangible Asset, Finite-Lived, Statement of Income or Comprehensive Income [Extensible Enumeration]		Selling, general and administrative
Acquired developed technology
Acquired developed technology, customer relationships and other intangibles
Weighted-Average Remaining Useful Life	2 years 10 months 24 days	3 years 10 months 24 days
Gross Carrying Amount	$ 436.2	$ 438.5
Accumulated Amortization	(401.9)	(390.2)
Total amortization	$ 34.3	48.3
Impairment of intangible assets		$ 0.6
Customer relationships
Acquired developed technology, customer relationships and other intangibles
Weighted-Average Remaining Useful Life	1 year 6 months	2 years
Gross Carrying Amount	$ 194.8	$ 195.2
Accumulated Amortization	(191.0)	(185.9)
Total amortization	$ 3.8	$ 9.3
Other
Acquired developed technology, customer relationships and other intangibles
Weighted-Average Remaining Useful Life	6 months	8 months 12 days
Gross Carrying Amount	$ 36.7	$ 39.8
Accumulated Amortization	(36.6)	(38.8)
Total amortization	$ 0.1	$ 1.0