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Shared-Based Compensation (Tables)

3 Months Ended

Nov. 30, 2018

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary Of Type And Fair Value Of Share-Based Compensation Awards

The following table illustrates the type and fair value of the share-based compensation awards granted during the three-month periods ended November 30, 2018 and November 30, 2017:

		Three months ended
		November 30, 2018								November 30, 2017
		Number of units granted				Weighted average grant-date fair value per award				Number of units granted				Weighted average grant-date fair value per award
Stock options			38,337			$	24.71				44,312			$	30.73
RSUs			29,013			$	88.27				69,198			$	87.06
PSUs			20,631			$	88.27				14,854			$	88.06

Schedule Of Assumptions Used

The following table provides the assumptions used in determining the fair value of the stock options awarded during the three-month periods ended November 30, 2018 and November 30, 2017:

		Grant Year
		2018				2017
Weighted-average dividend yield			1.4	%			1.3	%
Weighted-average volatility			26.3	%			34.0	%
Risk-free interest rate			3.1	%			2.2	%
Weighted-average expected lives		6 years				7 years

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- References

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- Definition

Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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- Definition

Tabular disclosure of the weighted-average grant-date fair value of equity options or other equity instruments granted during the year.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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