Goodwill and Other Intangibles - Goodwill (Details) $ in Thousands	9 Months Ended
May 31, 2022 USD ($) item segment
Changes in the carrying value of goodwill
Balance at the beginning of the period	$ 97,866
Foreign currency translation adjustment	(1,545)
Balance at the end of the period	$ 96,321
Number of reporting units \| item	3
Number of operating segments \| segment	3
Adhesives, Sealants and Additives
Changes in the carrying value of goodwill
Balance at the beginning of the period	$ 65,945
Foreign currency translation adjustment	(1,527)
Balance at the end of the period	64,418
Industrial Tapes
Changes in the carrying value of goodwill
Balance at the beginning of the period	21,215
Balance at the end of the period	21,215
Corrosion Protection and Waterproofing
Changes in the carrying value of goodwill
Balance at the beginning of the period	10,706
Foreign currency translation adjustment	(18)
Balance at the end of the period	$ 10,688

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
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Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 55
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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.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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Number of reporting units tested for impairment of goodwill. A reporting unit is an operating segment or one level below an operating segment.

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