XML 31 R1.htm IDEA: XBRL DOCUMENT v2.4.0.6
Document And Entity Information (USD $)
 12 Months Ended
Mar. 03, 2012
Apr. 11, 2012
Aug. 27, 2011
Document And Entity Information [Abstract]      
Trading Symbol APOG    
Document Type 10-K    
Amendment Flag false    
Document Period End Date Mar. 03, 2012    
Document Fiscal Year Focus 2012    
Document Fiscal Period Focus FY    
Entity Registrant Name APOGEE ENTERPRISES, INC.    
Entity Central Index Key 0000006845    
Current Fiscal Year End Date --03-03    
Entity Filer Category Accelerated Filer    
Entity Common Stock, Shares Outstanding   28,078,799  
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 252,321,000