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Acquisitions - Summary of Operating Information on Pro Forma Basis (Detail) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Feb. 28, 2017 | Feb. 29, 2016
Business Combinations [Abstract] |  |
Pro forma net sales | $ 390,169 | $ 421,231
Pro forma net earnings | $ 27,064 | $ 33,065
Pro forma earnings per share-diluted | $ 1.05 | $ 1.29

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- Definition The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(2)-(3) -URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463 + Details
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