Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

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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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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Restructuring and Impairment Charges (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Nov. 30, 2020	Aug. 31, 2020	Nov. 30, 2020	Nov. 30, 2019
Restructuring Cost and Reserve [Line Items]
Proceeds from sale of subsidiaries, net			$ 12,444	$ 0
Loss on disposal of business			3,050	$ 0
Write down of excess inventory			2,511
Operating Segments \| Infrastructure Solutions
Restructuring Cost and Reserve [Line Items]
Loss on disposal of business			1,859
Write down of excess inventory			2,511
Galvabar
Restructuring Cost and Reserve [Line Items]
Proceeds from sale of subsidiaries, net			8,300
Loss on disposal of business			$ 1,200
Southern Mechanical Services
Restructuring Cost and Reserve [Line Items]
Proceeds from sale of subsidiaries, net	$ 4,100
Loss on disposal of business	$ 1,900
Intangible impairment		$ 900