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Acquired Intangibles and Goodwill - Summary of Life, Gross Carrying Value of Acquired Intangible Assets, and Related Accumulated Amortization (Detail) - USD ($) $ in Millions	9 Months Ended
	Mar. 25, 2023	Jun. 25, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 723.3	$ 699.7
Accumulated Amortization	(391.9)	(309.7)
Net Carrying Value	$ 331.4	390.0
Weighted Average Life in Years	4 years 10 months 24 days
Audio and Video Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 91.4	122.8
Accumulated Amortization	(140.5)	(109.3)
Net Carrying Value	$ 231.9	232.1
Weighted Average Life in Years	5 years 7 months 6 days
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 48.6	70.8
Accumulated Amortization	(109.6)	(99.7)
Net Carrying Value	$ 158.2	170.5
Weighted Average Life in Years	4 years 1 month 6 days
Wireless and Connectivity Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 106.9	94.2
Accumulated Amortization	(51.1)	(33.8)
Net Carrying Value	$ 158.0	128.0
Weighted Average Life in Years	5 years 9 months 18 days
Video Interface Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 9.1	29.6
Accumulated Amortization	(72.9)	(52.4)
Net Carrying Value	$ 82.0	82.0
Weighted Average Life in Years	3 years
Licensed Technology and Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 2.0	2.4
Accumulated Amortization	(8.8)	(7.5)
Net Carrying Value	$ 10.8	9.9
Weighted Average Life in Years	4 years 4 months 24 days
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 0.3	0.7
Accumulated Amortization	(4.1)	(3.7)
Net Carrying Value	$ 4.4	4.4
Weighted Average Life in Years	8 years
Tradename [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 1.3	2.5
Accumulated Amortization	(4.5)	(3.3)
Net Carrying Value	$ 5.8	5.8
Weighted Average Life in Years	4 years 4 months 24 days
In-Process Research and Development [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Value	$ 67.0	67.0
Net Carrying Value	$ 67.0	$ 67.0

X

- Definition

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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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