v3.8.0.1
Document and Entity Information - shares
9 Months Ended
May 31, 2018
Jun. 20, 2018
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date May 31, 2018  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q3  
Trading Symbol JBL  
Entity Registrant Name JABIL INC  
Entity Central Index Key 0000898293  
Current Fiscal Year End Date --08-31  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   168,444,744