Document and entity information Document - USD ($) $ in Millions	12 Months Ended
	Sep. 29, 2018	Nov. 12, 2018	Mar. 29, 2018
Entity Information [Line Items]
Document Period End Date	Sep. 29, 2018
Amendment Flag	false
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--09-29
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Well-known Seasoned Issuer	Yes
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Shell Company	false
Entity Registrant Name	SANMINA CORP
Entity Central Index Key	0000897723
Document Type	10-K
Entity Common Stock, Shares Outstanding		68,264,736
Entity Public Float			$ 1,580.5