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v3.25.1

Balance Sheet and Other Details - Contract Liabilities (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 29, 2025 | Mar. 29, 2025
Deferred revenue: |  |
Balance at beginning of period | $ 83.7 | $ 91.4
Revenue deferrals for new contracts | 31.9 | 82.0
Revenue recognized during the period | (24.5) | (82.3)
Balance at end of period | $ 91.1 | $ 91.1

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479837/606-10-45-2 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Change In Contract With Customer, Liability [Roll Forward] + References No definition available. + Details
Name: | viav_ChangeInContractWithCustomerLiabilityRollForward
Namespace Prefix: | viav_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Contract With Customer, Liability, Cumulative Catch-Up Adjustment, New Contracts + References No definition available. + Details
Name: | viav_ContractWithCustomerLiabilityCumulativeCatchUpAdjustmentNewContracts
Namespace Prefix: | viav_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Contract With Customer, Liability, Revenue Recognized During Period + References No definition available. + Details
Name: | viav_ContractWithCustomerLiabilityRevenueRecognizedDuringPeriod
Namespace Prefix: | viav_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration