Document and Entity Information	3 Months Ended
	May 31, 2013	Jul. 05, 2013 Common shares Class A [Member]	Jul. 05, 2013 Common shares Class B [Member]
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	May 31, 2013
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q1
Trading Symbol	AM
Entity Registrant Name	AMERICAN GREETINGS CORP
Entity Central Index Key	0000005133
Current Fiscal Year End Date	--02-28
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		29,294,198	2,912,167