Income Tax [Line Items]

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- Definition

Net Operating Loss Carry Forwards Expiration Date

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- Definition

Tax Benefit Recognized Threshold Limit Percentage

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- Definition

Unrecognized Tax Benefits Statutory Expiration Period

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- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(2))
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

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- Definition

Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 5
-Subparagraph c
-Article 7

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- Definition

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
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- Definition

Amount of valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from tax credit carryforwards for which it is more likely than not that a tax benefit will not be realized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Valuation Allowance
-URI http://asc.fasb.org/extlink&oid=6528051

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- Definition

Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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-Paragraph 15
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-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

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- Definition

Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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- Definition

Amount of interest expense for an underpayment of income taxes.

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Income Taxes - Additional Information (Detail) - USD ($)	12 Months Ended
	Feb. 29, 2016	Feb. 28, 2015	Feb. 28, 2014
Income Tax [Line Items]
Effective tax rate on earnings from operations	36.80%	(13.80%)	58.50%
Refund receivable related to amended Canadian tax returns		$ 2,300,000	$ 2,300,000
Tax benefit recognized	50.00%
Unrecognized tax benefits, including accrued interest and penalties	$ 261,000	330,000
Unrecognized tax benefit includes an aggregate of interest expense	$ 18,000
Unrecognized tax benefits expiring	12 months
Unrecognized interest or penalties other than tax benefits	$ 0	$ 0	$ 0
Foreign Tax Authority [Member]
Income Tax [Line Items]
Foreign tax credit valuation allowance	1,400,000
Internal Revenue Service (IRS) [Member]
Income Tax [Line Items]
Operating Loss Carryforwards	$ 203,655
Internal Revenue Service (IRS) [Member] \| Minimum [Member]
Income Tax [Line Items]
Net operating loss carry forwards expiring	2024
Internal Revenue Service (IRS) [Member] \| Maximum [Member]
Income Tax [Line Items]
Net operating loss carry forwards expiring	2025