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Goodwill and Intangible Assets (Tables) | 12 Months Ended
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Feb. 28, 2017
Goodwill and Intangible Assets Disclosure [Abstract] |
Schedule of Goodwill | Changes in goodwill by segment during the years ended February 28, 2017 and February 29, 2016 are as follows:
Segment |  | March 1, 2016 |  | Acquisitions |  | Foreign Exchange Translation |  | February 28, 2017
|  | (In thousands)
Galvanizing |  | $ | 109,314 |  |  | $ | — |  |  | $ | 666 |  |  | $ | 109,980 |
Energy |  | 183,213 |  |  | 13,386 |  |  | — |  |  | 196,599 |
Total |  | $ | 292,527 |  |  | $ | 13,386 |  |  | $ | 666 |  |  | $ | 306,579 |
Segment |  | March 1, 2015 |  | Acquisitions |  | Foreign Exchange Translation |  | February 29, 2016
|  | (In thousands)
Galvanizing |  | $ | 95,538 |  |  | $ | 15,576 |  |  | $ | (1,800 | ) |  | $ | 109,314 |
Energy |  | 183,536 |  |  | — |  |  | (323 | ) |  | 183,213 |
Total |  | $ | 279,074 |  |  | $ | 15,576 |  |  | $ | (2,123 | ) |  | $ | 292,527 |
Schedule of Finite-Lived Intangible Assets by Major Class | Amortizable intangible assets consisted of the following at February 28, 2017 and February 29, 2016:
|  | 2017 |  | 2016
|  | (In thousands)
Amortizable intangible assets |  |  |  |
Customer related intangibles |  | $ | 177,514 |  |  | $ | 169,637 |
Non-compete agreements |  | 5,651 |  |  | 5,596 |
Trademarks |  | 4,569 |  |  | 4,569 |
Technology |  | 7,400 |  |  | 7,400 |
Engineering drawings |  | 24,600 |  |  | 24,600 |
Backlog |  | 7,600 |  |  | 7,600 |
|  | 227,334 |  |  | 219,402 |
Less accumulated amortization |  | (88,314 | ) |  | (71,201 | )
|  | $ | 139,020 |  |  | $ | 148,201 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense | The following table projects the estimated amortization expense for the five succeeding fiscal years and thereafter.
|  | (In thousands)
2018 |  | $ | 16,206 |
2019 |  | 15,354 |
2020 |  | 14,831 |
2021 |  | 14,665 |
2022 |  | 12,580 |
Thereafter |  | 65,384 |
Total |  | $ | 139,020 |

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- Definition Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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