Acquired Developed Technology and Other Intangibles - Summary of Intangible Assets (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 27, 2020	Jun. 29, 2019
Acquired developed technology, customer relationships and other intangibles
Gross Carrying Amount	$ 667.5	$ 666.8
Accumulated Amortization	(519.4)	(455.2)
Total amortization	$ 148.1	$ 211.6
Acquired developed technology
Acquired developed technology, customer relationships and other intangibles
Weighted-Average Remaining Useful Life	3 years 8 months 12 days	4 years 8 months 12 days
Gross Carrying Amount	$ 437.1	$ 437.0
Accumulated Amortization	(341.6)	(311.1)
Total amortization	$ 95.5	$ 125.9
Customer relationships
Acquired developed technology, customer relationships and other intangibles
Weighted-Average Remaining Useful Life	2 years 7 months 6 days	3 years 1 month 6 days
Gross Carrying Amount	$ 194.7	$ 193.7
Accumulated Amortization	(154.1)	(126.3)
Total amortization	$ 40.6	$ 67.4
Other
Acquired developed technology, customer relationships and other intangibles
Weighted-Average Remaining Useful Life	2 years	3 years 3 months 18 days
Gross Carrying Amount	$ 35.7	$ 36.1
Accumulated Amortization	(23.7)	(17.8)
Total amortization	$ 12.0	$ 18.3

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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