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Shareholders' Equity (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified | 1 Months Ended | 12 Months Ended | 134 Months Ended |
--- | --- | --- | --- | ---
Oct. 31, 2008 | Jan. 31, 2008 | Feb. 28, 2015 | Mar. 01, 2014 | Mar. 02, 2013 | Feb. 28, 2015 | Feb. 28, 2004
Class of Stock [Line Items] |  |  |  |  |  |  |
Junior preferred stock, shares |  |  | 200,000 us-gaap_PreferredStockSharesAuthorized |  |  | 200,000 us-gaap_PreferredStockSharesAuthorized |
Junior preferred stock par value |  |  | $ 1.00 us-gaap_PreferredStockParOrStatedValuePerShare |  |  | $ 1.00 us-gaap_PreferredStockParOrStatedValuePerShare |
Share repurchases, shares |  |  | (203,000)us-gaap_StockRepurchasedDuringPeriodShares |  |  |  |
Stock Based Compensation Plans |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Share repurchases, value |  |  | $ 5,200 us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_AwardTypeAxis = us-gaap_StockCompensationPlanMember | 3,600 us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_AwardTypeAxis = us-gaap_StockCompensationPlanMember | 1,500 us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_AwardTypeAxis = us-gaap_StockCompensationPlanMember |  |
Share Repurchase Program |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Number of shares authorized under share repurchase program |  |  |  |  |  |  | 1,500,000 us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased / us-gaap_ShareRepurchaseProgramAxis = apog_ShareRepurchaseProgramMember
Increase in authorized shares under the share repurchase program | 1,000,000 apog_StockRepurchaseProgramAdditionalNumberOfSharesAuthorizedToBeRepurchased / us-gaap_ShareRepurchaseProgramAxis = apog_ShareRepurchaseProgramMember | 750,000 apog_StockRepurchaseProgramAdditionalNumberOfSharesAuthorizedToBeRepurchased / us-gaap_ShareRepurchaseProgramAxis = apog_ShareRepurchaseProgramMember |  |  |  |  |
Share repurchases, shares |  |  | 203,509 us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_ShareRepurchaseProgramAxis = apog_ShareRepurchaseProgramMember | 0 us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_ShareRepurchaseProgramAxis = apog_ShareRepurchaseProgramMember | 0 us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_ShareRepurchaseProgramAxis = apog_ShareRepurchaseProgramMember | 2,482,632 us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_ShareRepurchaseProgramAxis = apog_ShareRepurchaseProgramMember |
Share repurchases, value |  |  | $ 6,900 us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_ShareRepurchaseProgramAxis = apog_ShareRepurchaseProgramMember |  |  | $ 36,500 us-gaap_StockRepurchasedDuringPeriodValue / us-gaap_ShareRepurchaseProgramAxis = apog_ShareRepurchaseProgramMember |
Remaining shares authorized to be repurchased |  |  | 767,368 us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased / us-gaap_ShareRepurchaseProgramAxis = apog_ShareRepurchaseProgramMember |  |  | 767,368 us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased / us-gaap_ShareRepurchaseProgramAxis = apog_ShareRepurchaseProgramMember |

X
- Definition Stock Repurchase Program Additional Number Of Shares Authorized To Be Repurchased + References No definition available. + Details
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- Definition Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer. + 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 210.5-02.28) -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 29 -Article 5 + Details
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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. + 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 210.5-02.28) -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 29 -Article 5 + Details
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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 + Details
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- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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- Definition The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. + References No definition available. + Details
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