Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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The estimated or actual value of the asset at the end of its useful life or when it is no longer serviceable (cannot be used for its original purpose).

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Fair Value - Assets Measured at Fair Value on Non-Recurring Basis (Parenthetical) (Detail) - USD ($)	3 Months Ended
	Feb. 28, 2023	Aug. 31, 2022	May 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment charge of long-lived assets		$ 312,000
Capital Project \| Building Products Facility \| Jefferson
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Estimated salvage value	$ 70,000
Impairment charge of long-lived assets	$ 484,000
Long Lived Assets Held for Sale \| Production Equipment \| Twinsburg
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair market value of assets			$ 700,000