Income Taxes - Unrecognized Tax Benefits (Detail) - USD ($) $ in Thousands	12 Months Ended
Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2016
Income Taxes [Line Items]
Unrecognized Tax Benefit - Opening Balance	$ 1,820	$ 942	$ 1,019
Gross increases - tax positions in prior period	237	1,368
Gross decreases - tax positions in prior period	(449)	(53)
Settlements	0	0	0
Lapse of statute of limitations		(437)	(77)
Unrecognized Tax Benefit - Ending Balance	$ 1,608	$ 1,820	$ 942

Income taxes.

No definition available.

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- Definition

Amount of unrecognized tax benefits.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
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Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

+ References

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Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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

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