Document and Entity Information - shares	9 Months Ended
	Mar. 30, 2019	Apr. 26, 2019
Document and Entity Information
Entity Registrant Name	VIAVI SOLUTIONS INC.
Entity Central Index Key	0000912093
Document Type	10-Q
Document Period End Date	Mar. 30, 2019
Amendment Flag	false
Entity Emerging Growth Company	false
Entity Small Business	false
Current Fiscal Year End Date	--06-29
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		228,685,770
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q3