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Income Taxes - Reconciliation of Change in Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Feb. 28, 2015 | Feb. 28, 2014
Income Tax Disclosure [Abstract] |  |
Balance at beginning of year | $ 330 | $ 246
Additions based on tax positions related to the current year | 41 | 166
Reductions due to lapses of statutes of limitations | (110) | (82)
Balance at end of year | $ 261 | $ 330

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- Definition Unrecognized Tax Benefits Increases Decreases Resulting From Current Period Tax Positions + References No definition available. + Details
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- Definition Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Unrecognized Tax Benefit -URI http://asc.fasb.org/extlink&oid=6527854 + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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