Document and Entity Information (USD $)	3 Months Ended
	Jul. 31, 2011	Aug. 31, 2011	Oct. 31, 2010
Document and Entity Information [Abstract]
Entity Registrant Name	SMUCKER J M CO
Entity Central Index Key	0000091419
Document Type	10-Q
Document Period End Date	Jul. 31, 2011
Amendment Flag	false
Document Fiscal Year Focus	2012
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--04-30
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 7,231,532,766
Entity Common Stock, Shares Outstanding		113,839,943