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Goodwill and Intangible Assets (Changes in Goodwill) (Details) - USD ($) $ in Millions	9 Months Ended
	May 31, 2019	May 31, 2018
Goodwill [Roll Forward]
Goodwill, Beginning Balance	$ 970.6	$ 900.9
Additions from acquired businesses	0.0	75.7
Adjustments to provisional amounts	(0.2)	0.0
Foreign currency translation adjustments	(6.3)	(6.1)
Goodwill, Ending Balance	$ 964.1	$ 970.5

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
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X

- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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-SubTopic 20
-Section 50
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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-SubTopic 20
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- Definition

Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 805
-SubTopic 10
-Section 25
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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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