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dei_CoverAbstract Document
Sep. 12, 2019
dei_CoverAbstract [Abstract]  
Document Period End Date Sep. 12, 2019
Entity Incorporation, State or Country Code DE
Entity File Number 000-22874
Entity Tax Identification Number VIAVI SOLUTIONS INC.
Entity Information [Line Items]  
Title of 12(b) Security Common Stock, par value of $0.001 per share
Entity Address, Address Line One 6001 America Center Drive,
Document Type 8-K
City Area Code 408
Local Phone Number 404-3600
Entity Address, City or Town San Jose,
Entity Address, State or Province CA
Entity Address, Postal Zip Code 95002
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Trading Symbol VIAV
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Entity Tax Identification Number 94-2579683
Entity Central Index Key 0000912093
Amendment Flag false