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Summary of Weighted-Average Grant-Date Fair Value of Options, Total Intrinsic Value of Options Exercised, and Cash Receipts from Options Exercised (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
12 Months Ended | ||
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Aug. 31, 2012
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Aug. 31, 2011
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Aug. 31, 2010
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| Schedule of Weighted Average Fair Values of Stock Options [Line Items] | |||
| Weighted-average fair value of options granted (per share) | $ 8.73 | $ 10.74 | $ 7.56 |
| Intrinsic value gain of options exercised | $ 7,946 | $ 7,540 | $ 2,607 |
| Cash receipts from exercise of options | $ 6,550 | $ 4,324 | $ 1,732 |
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- Details
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- Definition
The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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