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Restructuring and Impairment Charges - Schedule of Restructuring Costs (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Nov. 30, 2020 | Nov. 30, 2019 | Nov. 30, 2020 | Nov. 30, 2019
Restructuring Cost and Reserve [Line Items] |  |  |  |
Write down on assets held for sale to estimated sales price |  |  | $ 7,030 |
Write down of assets expected to be abandoned |  |  | 6,922 |
Loss on sale of subsidiaries |  |  | 3,050 | $ 0
Write down of excess inventory |  |  | 2,511 |
Costs associated with assets held for sale |  |  | 756 |
Total charges | $ 1,576 | $ 0 | 20,269 | $ 0
Metal Coatings |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Write down on assets held for sale to estimated sales price |  |  | 2,956 |
Write down of excess inventory |  |  | 336 |
Metal Coatings | Operating Segments |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Write down on assets held for sale to estimated sales price |  |  | 2,930 |
Write down of assets expected to be abandoned |  |  | 6,922 |
Loss on sale of subsidiaries |  |  | 1,191 |
Write down of excess inventory |  |  | 0 |
Costs associated with assets held for sale |  |  | 0 |
Total charges |  |  | 11,043 |
Infrastructure Solutions | Operating Segments |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Write down on assets held for sale to estimated sales price |  |  | 4,100 |
Write down of assets expected to be abandoned |  |  | 0 |
Loss on sale of subsidiaries |  |  | 1,859 |
Write down of excess inventory |  |  | 2,511 |
Costs associated with assets held for sale |  |  | 756 |
Total charges |  |  | $ 9,226 |

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- Definition 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. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684 + Details
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