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v2.4.1.9

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

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- Definition Line of Credit Facility, New Expiration Date + References No definition available. + Details
Name: | apog_LineofCreditFacilityNewExpirationDate
Namespace Prefix: | apog_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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- Definition Line of Credit Facility, New Maximum Capacity + References No definition available. + Details
Name: | apog_LineofCreditFacilityNewMaximumCapacity
Namespace Prefix: | apog_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition New Debt to Ebitda Ratio - after amendment 2 to the credit facility + References No definition available. + Details
Name: | apog_NewDebttoEbitdaRatio
Namespace Prefix: | apog_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_LineOfCreditFacilityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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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
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |