The number of common shares issued during the period due to the exercise of stock options.

No definition available.

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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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.

+ References

No definition available.

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- Definition

Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

+ References

No definition available.

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- Definition

Number of shares issued during the period as a result of an employee stock purchase plan.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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- Definition

Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited.

+ References

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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- Definition

Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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Amount remaining of a stock repurchase plan authorized.

+ References

No definition available.

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Stockholders' Equity (Common Stock Outstanding) (Details) - USD ($)		1 Months Ended	12 Months Ended
	Aug. 31, 2020	Sep. 30, 2019	Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2017
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock outstanding, beginning balances (in shares)		153,520,380	153,520,380
Common stock outstanding, ending balance (in shares)	150,330,358		150,330,358	153,520,380
Share repurchase program, amount authorized		$ 600,000,000.0			$ 350,000,000.0	$ 450,000,000.0
Stock repurchase program, capital allocation framework period		2 years
Number of shares repurchased (in shares)	6,000,000.0
Value of shares repurchased	$ 213,900,000
Share repurchase program, remaining amount available	$ 386,100,000		$ 386,100,000
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock outstanding, beginning balances (in shares)		153,520,380	153,520,380	164,588,172	177,727,653
Shares issued upon exercise of stock options (in shares)			56,999	11,348	30,832
Shares issued under employee stock purchase plan (in shares)			1,106,852	1,282,042	1,105,400
Vesting of restricted stock (in shares)			2,259,623	1,983,261	2,727,229
Purchases of treasury stock under employee stock plans (in shares)			(621,250)	(489,836)	(793,052)
Treasury shares purchased (in shares)			(5,992,246)	(13,854,607)	(16,209,890)
Common stock outstanding, ending balance (in shares)	150,330,358		150,330,358	153,520,380	164,588,172