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

Amount of deferred tax liability attributable to taxable temporary differences classified as current.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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- Definition

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

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

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

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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.

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-Glossary Valuation Allowance
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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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- 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. 28, 2017	Feb. 29, 2016	Feb. 28, 2015
Income Tax [Line Items]
Effective tax rate on earnings from operations	34.00%	36.80%	36.70%
Tax benefit recognized	50.00%
Unrecognized tax benefits, including accrued interest and penalties	$ 249,000	$ 225,000
Unrecognized tax benefit includes an aggregate of interest expense	$ 8,000
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
ASU 2015-17 [Member]
Income Tax [Line Items]
Reclassification to deferred tax liabilities		$ 6,300,000
Internal Revenue Service (IRS) [Member]
Income Tax [Line Items]
Operating Loss Carryforwards	$ 84,000
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