Stockholders' Equity (SARs Activity) (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
Aug. 31, 2020	Aug. 31, 2019
SARS Outstanding
SARS canceled (in shares)	(601)
SARs
SARS Outstanding
SARS Outstanding as of beginning of period (in shares)	123,501
SARS canceled (in shares)	(601)
SARS exercised (in shares)	(107,900)
SARS Outstanding as of end of period (in shares)	15,000	123,501
Aggregate intrinsic value, Outstanding	$ 235	$ 1,278
Weighted- Average Exercise Price
Weighted-Average Exercise Price, Outstanding as of beginning of period (in dollars per share)	$ 18.46
Weighted-Average Exercise Price, SARS canceled (in dollars per share)	14.88
Weighted-Average Exercise Price, SARS exercised (in dollars per share)	18.48
Weighted-Average Exercise Price, Outstanding as of end of period (in dollars per share)	$ 18.49	$ 18.46
Weighted- Average Remaining Contractual Life, Outstanding (in years)	1 year 1 month 17 days	2 years 1 month 9 days

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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- Definition

Number of share options (or share units) exercised during the current period.

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