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Employee Benefit Plans (Details Textual) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Feb. 28, 2015 Facility | Mar. 01, 2014 | Mar. 02, 2013
Defined Benefit Plan Disclosure [Line Items] |  |  |
Number of manufacturing facilities | 2 apog_NumberOfManufacturingFacilitiesThatUnionEmployeesAreCoveredWith401KPlan |  |
Percentage employees are allowed to contribute (up to 60 percent) | 60.00%us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent |  |
Annual company match amount | $ 4,700 apog_DefinedContributionPlanEmployerContributionAmount | $ 4,200 apog_DefinedContributionPlanEmployerContributionAmount | $ 3,600 apog_DefinedContributionPlanEmployerContributionAmount
Investments in corporate-owned life insurance policies | 4,000 us-gaap_LifeInsuranceCorporateOrBankOwnedAmount |  |
Mutual funds | 300 apog_MutualFundInvestments |  |
Total contribution to multi-employer union retirement plans | 4,300 us-gaap_MultiemployerPlansPlanContributions | 3,700 us-gaap_MultiemployerPlansPlanContributions | 4,800 us-gaap_MultiemployerPlansPlanContributions
Estimated amortization from accumulated other comprehensive loss into net periodic benefit cost in the next fiscal year | 249 us-gaap_DefinedBenefitPlanAmountToBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossNextFiscalYear |  |
Discount rate | 3.60%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate | 4.00%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate | 3.75%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate
Net periodic pension expense, Expected return on plan assets | 4.50%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets | 4.50%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets | 4.50%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets
Net periodic benefit cost | 551 us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost | 518 us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost | 604 us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost
Net periodic pension expense, discount rate | 4.00%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate | 3.75%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate | 4.00%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate
Company contributions | 850 us-gaap_DefinedBenefitPlanContributionsByEmployer | 807 us-gaap_DefinedBenefitPlanContributionsByEmployer |
Expected pension contributions next fiscal year | 993 us-gaap_DefinedBenefitPlansEstimatedFutureEmployerContributionsInNextFiscalYear |  |
Weekly employee contribution to the employee stock purchase plan (up to $500 per week) | 1 apog_EmployeeStockPurchasePlanMaximumWeeklyEmployeeAfterTaxContributionAmount |  |
Company percentage match of employee contribution to the employee stock purchase plan | 15.00%apog_EmployeeStockPurchasePlanEmployerMatchingContributionPercent |  |
Company match amount to the employee stock purchase plan | 100 apog_EmployeeStockPurchasePlanAnnualEmployerContributionAmount | 100 apog_EmployeeStockPurchasePlanAnnualEmployerContributionAmount | 100 apog_EmployeeStockPurchasePlanAnnualEmployerContributionAmount
Scenario, Forecast |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Net periodic benefit cost | 679 us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember |  |
Net periodic pension expense, discount rate | 3.60%us-gaap_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember |  |
Other current and non-current liabilities |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Deferred Compensation Liability, Current and Noncurrent | $ 4,200 us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent / us-gaap_BalanceSheetLocationAxis = apog_OtherCurrentAndOtherNoncurrentLiabilitiesMember | $ 3,400 us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent / us-gaap_BalanceSheetLocationAxis = apog_OtherCurrentAndOtherNoncurrentLiabilitiesMember |
First one percent contributed |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Company matching contribution percentage | 100.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent / apog_DefinedContributionPlanEmployerContributionMatchLevelBasedOnEmployeeContributionAxis = apog_FirstOnePercentMember |  |
Percentage of eligible compensation contributed | 1.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch / apog_DefinedContributionPlanEmployerContributionMatchLevelBasedOnEmployeeContributionAxis = apog_FirstOnePercentMember |  |
Two through six percent |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Company matching contribution percentage | 50.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent / apog_DefinedContributionPlanEmployerContributionMatchLevelBasedOnEmployeeContributionAxis = apog_TwoThroughSixPercentMember |  |
Percentage of eligible compensation contributed | 5.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercentOfMatch / apog_DefinedContributionPlanEmployerContributionMatchLevelBasedOnEmployeeContributionAxis = apog_TwoThroughSixPercentMember |  |

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- Definition Defined Contribution Plan, Employer Contribution Amount + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Employee Stock Purchase Plan, Annual Employer Contribution Amount + References No definition available. + Details
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Namespace Prefix: | apog_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Employee Stock Purchase Plan, Employer Matching Contribution, Percent + References No definition available. + Details
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Balance Type: | na
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- Definition Employee Stock Purchase Plan Maximum Weekly Employee After Tax Contribution Amount + References No definition available. + Details
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Namespace Prefix: | apog_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Mutual fund investments. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number Of Manufacturing Facilities That Union Employees Are Covered With 401(k) Plan + References No definition available. + Details
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Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Aggregate carrying value as of the balance sheet date of the liabilities for all deferred compensation arrangements. Represents currently earned compensation under compensation arrangements that is not actually paid until a later date. + References No definition available. + Details
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- Definition Amount included in accumulated other comprehensive income (AOCI) expected to be recognized as components of net periodic benefit cost for the fiscal year that follows the most recent annual statement of financial position, including gain (loss), prior service cost (credit), and transition asset (obligation). + References No definition available. + Details
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- Definition The interest rate used to adjust for the time value of money for the plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition The interest rate used to adjust for the time value of money. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(1) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Glossary Expected Long-Term Rate of Return on Plan Assets -URI http://asc.fasb.org/extlink&oid=6512013 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k)(3) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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X
- Definition The increase in the fair value of plan assets from contributions made by the employer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Details
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- Definition The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35743120&loc=d3e1928-114920 + Details
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- Definition Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. + References No definition available. + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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- Definition This item represents the amount that could be realized under a life insurance contract or contracts owned by the Entity as of the date of the statement of financial position. Such Entity-owned life insurance policies are commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI). + 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 210.5-02.12) -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 12 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 30 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6384206&loc=d3e41899-111602 + Details
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- Definition Amount of contributions made to the multiemployer plan by all employers who participate in the plan. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 7 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35742057&loc=SL14450678-114947 + Details
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- Details
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- Details
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- Details
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