Document and Entity Information - shares	6 Months Ended
	Aug. 27, 2016	Oct. 05, 2016
Document and Entity Information [Abstract]
Entity Registrant Name	APOGEE ENTERPRISES, INC.
Entity Central Index Key	0000006845
Document Type	10-Q
Document Period End Date	Aug. 27, 2016
Amendment Flag	false
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--03-04
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		28,896,739