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Commitments and Contingent Liabilities (Details Textual) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Feb. 28, 2015 Sale_And_Leaseback_Agreement | Mar. 01, 2014 | Mar. 02, 2013
Long-term Purchase Commitment [Line Items] |  |  |
Total rental expense | $ 18,700 us-gaap_LeaseAndRentalExpense | $ 15,400 us-gaap_LeaseAndRentalExpense | $ 13,000 us-gaap_LeaseAndRentalExpense
Number of sale and leaseback agreements | 1 apog_NumberOfSaleAndLeasebackAgreements |  |
Deferred gain under sale and leaseback transactions | 1,818 us-gaap_SaleLeasebackTransactionDeferredGainNet | 2,621 us-gaap_SaleLeasebackTransactionDeferredGainNet |
Average annual lease payment | 1,000 us-gaap_SaleLeasebackTransactionAnnualRentalPayments |  |
Company's backlog bonded by performance bonds | 76,900 apog_CompaniesBacklogRelatedToSales |  |
Face value of performance bonds | 274,000 us-gaap_DebtInstrumentFaceAmount |  |
Total value of letter of credit | 23,500 us-gaap_LettersOfCreditOutstandingAmount |  |
Line of Credit Facility, Maximum Borrowing Capacity | 125,000 us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity |  |
Purchase obligations | 158,900 us-gaap_PurchaseObligation |  |
Proceeds from new markets tax credit transaction, net of deferred costs |  | 7,800 apog_Grossproceedsfromnewmarketstaxcredittransaction |
Gross proceeds from new markets tax credits | 10,741 apog_Grossproceedsfromnewmarketstaxcredits | 10,741 apog_Grossproceedsfromnewmarketstaxcredits |
Deferred Costs |  | 3,300 us-gaap_DeferredCostsCurrentAndNoncurrent |
Other current and non-current liabilities |  |  |
Long-term Purchase Commitment [Line Items] |  |  |
Deferred gain under sale and leaseback transactions | $ 2,800 us-gaap_SaleLeasebackTransactionDeferredGainNet / us-gaap_BalanceSheetLocationAxis = apog_OtherCurrentAndOtherNoncurrentLiabilitiesMember |  |

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- Definition Gross proceeds from new markets tax credits + References No definition available. + Details
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- Definition Number Of Sale And Leaseback Agreements + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 + Details
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition The yearly payments due under the lease entered into in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6452660&loc=d3e36991-112694 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6456341&loc=d3e50796-112755 + Details
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- Definition The portion of the gain that will be recorded as income or a reduction in rent expense in future periods less amounts recognized in the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 35 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35688829&loc=d3e50609-112754 + Details
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