Document and Entity Information (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Mar. 02, 2013	Apr. 26, 2013	Sep. 01, 2012
Document and Entity Information [Abstract]
Entity Registrant Name	APOGEE ENTERPRISES, INC.
Trading Symbol	APOG
Entity Central Index Key	0000006845
Document Type	10-K
Document Period End Date	Mar. 02, 2013
Amendment Flag	false
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--03-02
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		28,625,575
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 448