The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation.

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Restructuring and Impairment Charges (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended	9 Months Ended
	Nov. 30, 2021	Aug. 31, 2021	Nov. 30, 2020	Aug. 31, 2021	Nov. 30, 2021	Nov. 30, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges	$ 0		$ 1,576		$ 0	$ 20,269
Write down of excess inventory					$ 0	2,511
Southern Mechanical Services
Restructuring Cost and Reserve [Line Items]
Intangible impairment	$ 1,900	$ 900
Infrastructure Solutions \| Operating Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges						9,226
Write down of excess inventory						2,511
Metal Coatings
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges				$ 1,600
Intangible impairment						3,258
Write down of excess inventory						336
Metal Coatings \| Operating Segments
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges						11,043
Write down of excess inventory						$ 0