XML 12 R1.htm IDEA: XBRL DOCUMENT v3.4.0.3
Document and Entity Information - shares
9 Months Ended
Apr. 02, 2016
Apr. 30, 2016
Document and Entity Information    
Entity Registrant Name Lumentum Holdings Inc.  
Entity Central Index Key 0001633978  
Document Type 10-Q  
Document Period End Date Apr. 02, 2016  
Amendment Flag false  
Current Fiscal Year End Date --07-02  
Entity Filer Category Non-accelerated Filer  
Entity Common Stock, Shares Outstanding   59,280,367
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q3