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Discontinued Operations - Depreciation, Amortization, Capital Expenditures, and Significant Operating and Investing Noncash Items of the Discontinued Operations (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Sep. 30, 2022 | Feb. 28, 2023 | Feb. 28, 2022 | Feb. 28, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Loss on sale of property, plant and equipment |  | $ 1,032 | $ (666) | $ (183)
Write down of assets held for sale to estimated sales price |  |  |  | 3,591
Discontinued Operations, Disposed of by Sale | AZZ Infrastructure Solutions |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |
Amortization and depreciation |  | 7,279 | 12,584 | 12,508
Purchase of property, plant and equipment |  | 4,831 | 4,815 | 9,901
Non-cash loss on disposal of discontinued operations | $ 159,900 | 159,910 | 0 | 0
Loss on disposal group held for sale |  | 0 | (1,797) | 0
Loss on sale of property, plant and equipment |  | 0 | 147 | 36
Write down of assets held for sale to estimated sales price |  | $ 0 | $ 0 | $ 3,161

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- Definition Amount of deprecation and amortization expense attributable to property, plant and equipment and intangible assets of discontinued operations. + 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=123570139&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760 + Details
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