Document and Entity Information Document
9 Months Ended
May 25, 2018
Document And Entity Information [Abstract]  
Entity Registrant Name SMART GLOBAL HOLDINGS, INC.
Entity Central Index Key 0001616533
Current Fiscal Year End Date --08-31
Entity Filer Category Non-accelerated Filer
Document Type 10-Q
Trading Symbol SGH
Document Period End Date May 25, 2018
Document Fiscal Year Focus 2018
Document Fiscal Period Focus Q3
Amendment Flag false
Entity Common Stock, Shares Outstanding 22,307,512