XML 12 R1.htm IDEA: XBRL DOCUMENT v3.3.1.900
Document and Entity Information - shares
9 Months Ended
Nov. 28, 2015
Jan. 06, 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 Nov. 28, 2015  
Amendment Flag false  
Document Fiscal Year Focus 2016  
Document Fiscal Period Focus Q3  
Current Fiscal Year End Date --02-27  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   28,884,251