Income Taxes - Reconciliation of Change in Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
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

Unrecognized Tax Benefits Increases Decreases Resulting From Current Period Tax Positions

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- 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

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- Definition

Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

+ References

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