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Segment Information (Schedule of Certain Segment Data) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2015 | Nov. 29, 2014 | Aug. 30, 2014 | May 31, 2014 | Mar. 01, 2014 | Nov. 30, 2013 | Aug. 31, 2013 | Jun. 01, 2013 | Feb. 28, 2015 | Mar. 01, 2014 | Mar. 02, 2013
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 246,698 us-gaap_SalesRevenueNet |  | $ 244,410 us-gaap_SalesRevenueNet | $ 231,945 us-gaap_SalesRevenueNet | $ 210,883 us-gaap_SalesRevenueNet | $ 214,417 us-gaap_SalesRevenueNet |  | $ 199,430 us-gaap_SalesRevenueNet | $ 178,287 us-gaap_SalesRevenueNet | $ 179,311 us-gaap_SalesRevenueNet | $ 933,936 us-gaap_SalesRevenueNet |  | $ 771,445 us-gaap_SalesRevenueNet |  | $ 700,224 us-gaap_SalesRevenueNet |
Operating Income (Loss) |  |  |  |  |  |  |  |  |  |  | 63,585 us-gaap_OperatingIncomeLoss |  | 40,285 us-gaap_OperatingIncomeLoss |  | 27,419 us-gaap_OperatingIncomeLoss |
Depreciation and Amortization |  |  |  |  |  |  |  |  |  |  | 29,423 us-gaap_DepreciationDepletionAndAmortization |  | 26,550 us-gaap_DepreciationDepletionAndAmortization |  | 26,529 us-gaap_DepreciationDepletionAndAmortization |
Capital Expenditures |  |  |  |  |  |  |  |  |  |  | 27,220 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |  | 41,852 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |  | 34,664 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |
Identifiable Assets(1) | 612,057 us-gaap_Assets | [1] |  |  |  | 569,995 us-gaap_Assets | [1] |  |  |  | 612,057 us-gaap_Assets | [1] | 569,995 us-gaap_Assets | [1] | 524,779 us-gaap_Assets | [1]
Architectural glass |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  | 346,471 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember |  | 293,810 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember |  | 266,456 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember |
Operating Income (Loss) |  |  |  |  |  |  |  |  |  |  | 16,431 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember |  | 3,861 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember |  | (4,391)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember |
Depreciation and Amortization |  |  |  |  |  |  |  |  |  |  | 12,897 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember |  | 11,624 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember |  | 12,230 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember |
Capital Expenditures |  |  |  |  |  |  |  |  |  |  | 12,307 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember |  | 31,568 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember |  | 17,373 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember |
Identifiable Assets(1) | 223,525 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember | [1] |  |  |  | 209,102 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember | [1] |  |  |  | 223,525 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember | [1] | 209,102 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember | [1] | 183,794 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalGlassSegmentMember | [1]
Architectural Services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  | 230,650 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember |  | 203,351 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember |  | 186,570 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember |
Operating Income (Loss) |  |  |  |  |  |  |  |  |  |  | 7,442 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember |  | 4,479 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember |  | (1,008)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember |
Depreciation and Amortization |  |  |  |  |  |  |  |  |  |  | 1,375 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember |  | 1,421 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember |  | 844 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember |
Capital Expenditures |  |  |  |  |  |  |  |  |  |  | 595 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember |  | 1,195 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember |  | 3,939 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember |
Identifiable Assets(1) | 68,930 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember | [1] |  |  |  | 66,567 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember | [1] |  |  |  | 68,930 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember | [1] | 66,567 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember | [1] | 54,696 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalServicesSegmentMember | [1]
Architectural framing systems |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  | 298,395 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember |  | 216,059 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember |  | 191,137 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember |
Operating Income (Loss) |  |  |  |  |  |  |  |  |  |  | 21,808 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember |  | 14,930 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember |  | 14,584 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember |
Depreciation and Amortization |  |  |  |  |  |  |  |  |  |  | 8,001 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember |  | 6,436 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember |  | 6,477 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember |
Capital Expenditures |  |  |  |  |  |  |  |  |  |  | 9,238 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember |  | 7,008 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember |  | 8,151 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember |
Identifiable Assets(1) | 190,106 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember | [1] |  |  |  | 186,520 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember | [1] |  |  |  | 190,106 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember | [1] | 186,520 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember | [1] | 113,943 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_ArchitecturalFramingSegmentMember | [1]
Large-scale optical |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  | 87,693 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember |  | 81,127 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember |  | 79,947 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember |
Operating Income (Loss) |  |  |  |  |  |  |  |  |  |  | 21,954 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember |  | 21,252 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember |  | 20,993 us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember |
Depreciation and Amortization |  |  |  |  |  |  |  |  |  |  | 4,817 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember |  | 4,861 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember |  | 4,634 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember |
Capital Expenditures |  |  |  |  |  |  |  |  |  |  | 3,500 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember |  | 546 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember |  | 2,792 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember |
Identifiable Assets(1) | 60,356 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember | [1] |  |  |  | 58,102 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember | [1] |  |  |  | 60,356 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember | [1] | 58,102 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember | [1] | 59,348 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = apog_LargeScaleOpticalSegmentMember | [1]
Intersegment elimination |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  |  | (29,273)us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = us-gaap_IntersegmentEliminationMember |  | (22,902)us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = us-gaap_IntersegmentEliminationMember |  | (23,886)us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = us-gaap_IntersegmentEliminationMember |
Corporate and other |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Income (Loss) |  |  |  |  |  |  |  |  |  |  | (4,050)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |  | (4,237)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |  | (2,759)us-gaap_OperatingIncomeLoss / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |
Depreciation and Amortization |  |  |  |  |  |  |  |  |  |  | 2,333 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |  | 2,208 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |  | 2,344 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |
Capital Expenditures |  |  |  |  |  |  |  |  |  |  | 1,580 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |  | 1,535 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |  | 2,409 us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember |
Identifiable Assets(1) | $ 69,140 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember | [1] |  |  |  | $ 49,704 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember | [1] |  |  |  | $ 69,140 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember | [1] | $ 49,704 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember | [1] | $ 112,998 us-gaap_Assets / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateAndOtherMember | [1]
[1] | During the fourth quarter of fiscal 2015, the Company changed its method of accounting for those inventories which were accounted for under the LIFO method to the FIFO method. See Note 1 for discussion of this accounting change and its related impact.

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + 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 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 18 -Article 5 + Details
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