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Acquisitions Acquisition (Details 1) (Alumicor Limited [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Mar. 01, 2014
Mar. 02, 2013
Alumicor Limited [Member]
   
Business Acquisition [Line Items]    
Business Acquisition, Pro Forma Revenue $ 825,596us-gaap_BusinessAcquisitionsProFormaRevenue
/ us-gaap_BusinessAcquisitionAxis
= apog_AlumicorLimitedMember
$ 756,497us-gaap_BusinessAcquisitionsProFormaRevenue
/ us-gaap_BusinessAcquisitionAxis
= apog_AlumicorLimitedMember
Business Acquisition, Pro Forma Net Income (Loss) $ 30,487us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
/ us-gaap_BusinessAcquisitionAxis
= apog_AlumicorLimitedMember
$ 21,064us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
/ us-gaap_BusinessAcquisitionAxis
= apog_AlumicorLimitedMember
Business Acquisition, Pro Forma Earnings Per Share, Basic $ 1.07us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic
/ us-gaap_BusinessAcquisitionAxis
= apog_AlumicorLimitedMember
$ 0.75us-gaap_BusinessAcquisitionProFormaEarningsPerShareBasic
/ us-gaap_BusinessAcquisitionAxis
= apog_AlumicorLimitedMember
Business Acquisition, Pro Forma Earnings Per Share, Diluted $ 1.04us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted
/ us-gaap_BusinessAcquisitionAxis
= apog_AlumicorLimitedMember
$ 0.74us-gaap_BusinessAcquisitionProFormaEarningsPerShareDiluted
/ us-gaap_BusinessAcquisitionAxis
= apog_AlumicorLimitedMember