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Goodwill and Other Identifiable Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
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Feb. 27, 2016 | Feb. 28, 2015
Schedule of goodwill attributable to each business segment |  |
Goodwill, Beginning | $ 75,857 | $ 78,021
Foreign currency translation | (1,861) | (2,164)
Goodwill, Ending | 73,996 | 75,857
Architectural Glass |  |
Schedule of goodwill attributable to each business segment |  |
Goodwill, Beginning | 26,355 | 26,628
Foreign currency translation | (716) | (273)
Goodwill, Ending | 25,639 | 26,355
Architectural Services |  |
Schedule of goodwill attributable to each business segment |  |
Goodwill, Beginning | 1,120 | 1,120
Foreign currency translation | 0 | 0
Goodwill, Ending | 1,120 | 1,120
Architectural Framing Systems |  |
Schedule of goodwill attributable to each business segment |  |
Goodwill, Beginning | 37,825 | 39,716
Foreign currency translation | (1,145) | (1,891)
Goodwill, Ending | 36,680 | 37,825
Large-Scale Optical |  |
Schedule of goodwill attributable to each business segment |  |
Goodwill, Beginning | 10,557 | 10,557
Foreign currency translation | 0 | 0
Goodwill, Ending | $ 10,557 | $ 10,557

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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