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Basis of Presentation Subsequent Event (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Nov. 29, 2014
Line of Credit Facility [Line Items]  
Line of Credit Facility, New Expiration Date Dec. 17, 2019
Revolving Credit Facility [Member]  
Line of Credit Facility [Line Items]  
Line of Credit Facility, Maximum Borrowing Capacity 100,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
Line of Credit Facility, New Maximum Capacity 125,000apog_LineofCreditFacilityNewMaximumCapacity
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_RevolvingCreditFacilityMember
Maximum [Member]  
Line of Credit Facility [Line Items]  
New Debt to Ebitda Ratio 3.00apog_NewDebttoEbitdaRatio
/ us-gaap_RangeAxis
= us-gaap_MaximumMember