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        <link:definition>0000051 - Disclosure - Leases (Details 1)</link:definition>
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        <link:definition>0000052 - Disclosure - Leases (Details 2)</link:definition>
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        <link:definition>0000053 - Disclosure - Commitments and Contingent Liabilities (Details 1)</link:definition>
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        <link:definition>0000054 - Disclosure - Commitments and Contingent Liabilities (Details 2)</link:definition>
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        <link:definition>0000055 - Disclosure - Commitments and Contingent Liabilities (Details Textual)</link:definition>
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        <link:definition>0000056 - Disclosure - Share-Based Compensation (Details 1)</link:definition>
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        <link:definition>0000057 - Disclosure - Share-Based Compensation (Details 2)</link:definition>
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        <link:definition>0000058 - Disclosure - Share-Based Compensation (Details Textual)</link:definition>
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      <link:roleType id="EarningsperShareEarningsperShareDetails" roleURI="http://www.apog.com/role/EarningsperShareEarningsperShareDetails">
        <link:definition>0000059 - Disclosure - Earnings per Share Earnings per Share (Details)</link:definition>
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        <link:definition>0000060 - Disclosure - Segment Information Segment Information (Details Textual)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
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      <link:roleType id="SegmentInformationDetails" roleURI="http://www.apog.com/role/SegmentInformationDetails">
        <link:definition>0000061 - Disclosure - Segment Information (Details)</link:definition>
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        <link:usedOn>link:definitionLink</link:usedOn>
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      <link:roleType id="RestructuringandRelatedActivitiesDetailsTextual" roleURI="http://www.apog.com/role/RestructuringandRelatedActivitiesDetailsTextual">
        <link:definition>0000062 - Disclosure - Restructuring and Related Activities (Details Textual)</link:definition>
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      <link:roleType id="RestructuringandRelatedActivitiesDetails1" roleURI="http://www.apog.com/role/RestructuringandRelatedActivitiesDetails1">
        <link:definition>0000063 - Disclosure - Restructuring and Related Activities (Details 1)</link:definition>
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        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
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