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Leases (Narrative) (Details)	12 Months Ended
	Aug. 31, 2021 USD ($) item	Aug. 31, 2020 USD ($)
Leases [Abstract]
Short term lease	$ 0
Additional right-of-use assets	2,200,000
Lease expense	2,100,000	$ 2,000,000.0
Lease payments	2,000,000.0	$ 1,900,000
Lease expense classified within cost of products sold	$ 600,000
Weighted-average lease term	6 years 8 months 12 days	6 years 9 months 18 days
Weighted-average discount rate	2.80%	3.10%
Number of leases not yet commenced | item	0

X

- Definition

Amount of expense incurred and directly related to generating revenue by lessor from operating lease of rented property and equipment.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(2)(c))
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227

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X

- Definition

Amount of operating lease expense. Excludes sublease income.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 45
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918638-209977

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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Weighted average discount rate for operating lease calculated at point in time.

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- Definition

Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of increase in right-of-use asset obtained in exchange for operating lease liability.

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- Definition

Amount of short-term lease cost, excluding expense for lease with term of one month or less.

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- Definition

Lessee, Operating Lease, Number Of Lease Not yet Commenced

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