Defined Benefit Plan, Service Period

No definition available.

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- Definition

Pension and Other Postretirement Benefits Disclosure [Line Items]

+ References

No definition available.

+ Details

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- Definition

Amount of contributions expected to be received by defined benefit plan from employer in next fiscal year following latest fiscal year.

+ 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 (g)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

+ Details

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Period Type:	instant

- Definition

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=112275985&loc=d3e4179-114921

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Amount of labor-related expenses classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.4)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

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Balance Type:	debit
Period Type:	duration

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- Details

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- Details

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Postretirement and Other Employee Benefits (Additional Information) (Details) - USD ($) $ in Millions	12 Months Ended
	Aug. 31, 2018	Aug. 31, 2017	Aug. 31, 2016
Pension and Other Postretirement Benefits Disclosure [Line Items]
Company contributions	$ 40.5	$ 33.6	$ 33.3
Minimum
Pension and Other Postretirement Benefits Disclosure [Line Items]
Contributions expected to funded pension plans during fiscal year 2018	0.2
Maximum
Pension and Other Postretirement Benefits Disclosure [Line Items]
Contributions expected to funded pension plans during fiscal year 2018	$ 0.4
Global equity securities
Pension and Other Postretirement Benefits Disclosure [Line Items]
Target allocation percentage	35.00%
Debt securities
Pension and Other Postretirement Benefits Disclosure [Line Items]
Target allocation percentage	65.00%
United Kingdom
Pension and Other Postretirement Benefits Disclosure [Line Items]
Service period	3 years