Cover Page - shares	9 Months Ended
	May 26, 2023	Jun. 22, 2023
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	May 26, 2023
Document Transition Report	false
Entity File Number	001-38102
Entity Registrant Name	SMART GLOBAL HOLDINGS, INC.
Entity Incorporation, State or Country Code	E9
Entity Tax Identification Number	98-1013909
Entity Address, Address Line One	c/o Walkers Corporate Limited
Entity Address, Address Line Two	190 Elgin Avenue
Entity Address, City or Town	George Town, Grand Cayman
Entity Address, Country	KY
Entity Address, Postal Zip Code	KY1-9008
City Area Code	510
Local Phone Number	623-1231
Title of 12(b) Security	Ordinary shares, $0.03 par value per share
Trading Symbol	SGH
Security Exchange Name	NASDAQ
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		50,067,897
Entity Central Index Key	0001616533
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q3
Amendment Flag	false
Current Fiscal Year End Date	--08-25