Document and Entity Information - USD ($)	12 Months Ended
	Mar. 03, 2018	Apr. 26, 2018	Sep. 02, 2017
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. 03, 2018
Amendment Flag	false
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--03-04
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		28,159,542
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 1,242,000,000