Business Combination - Pro Forma Information (Details) - USD ($) $ in Millions	12 Months Ended
Jun. 29, 2024	Jul. 01, 2023	Jul. 02, 2022
Cloud Light Technology Limited
Business Acquisition
Net revenue	$ 1,447.9	$ 1,961.5
Net loss	$ 531.7	180.1
NeoPhotonics Corporation
Business Acquisition
Net revenue		1,790.9	$ 2,061.2
Net loss		$ (90.1)	$ 77.2

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-5

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
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-Subparagraph (h)(3)
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-URI https://asc.fasb.org/1943274/2147479328/805-10-50-2

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