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v3.20.1

Operating segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 29, 2020 | Nov. 30, 2019 | Aug. 31, 2019 | May 31, 2019 | Feb. 28, 2019 | Nov. 30, 2018 | Aug. 31, 2018 | May 31, 2018 | Feb. 29, 2020 | Feb. 28, 2019 | Feb. 28, 2018
Operations and assets by segment |  |  |  |  |  |  |  |  |  |  |
Revenues | $ 245,365 | $ 291,139 | $ 236,190 | $ 289,123 | $ 202,548 | $ 239,516 | $ 222,787 | $ 262,236 | $ 1,061,817 | $ 927,087 | $ 810,430
Operating Income (Loss) |  |  |  |  |  |  |  |  | 79,343 | 76,956 | 48,248
Gain (Loss) on Disposition of Business | (18,600) |  |  |  |  |  |  |  | (18,632) | 0 | 0
Depreciation |  |  |  |  |  |  |  |  | 50,194 | 50,245 | 50,526
Payments to acquire property, plant, equipment and acquire businesses, net of cash |  |  |  |  |  |  |  |  | 95,672 | 33,616 | 74,397
Assets | 1,073,831 |  |  |  | 1,088,570 |  |  |  | 1,073,831 | 1,088,570 |
Property, Plant and Equipment, Net | 213,104 |  |  |  | 210,227 |  |  |  | 213,104 | 210,227 |
Energy [Member] |  |  |  |  |  |  |  |  |  |  |
Operations and assets by segment |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 498,989 | 440,264 | 389,397
Operating Income (Loss) |  |  |  |  |  |  |  |  | 107,926 | 83,591 | 84,332
Depreciation |  |  |  |  |  |  |  |  | 30,042 | 29,124 | 28,617
Payments to acquire property, plant, equipment and acquire businesses, net of cash |  |  |  |  |  |  |  |  | 82,972 | 16,046 | 39,474
Assets | 504,632 |  |  |  | 440,090 |  |  |  | 504,632 | 440,090 |
Galvanizing Services [Member] |  |  |  |  |  |  |  |  |  |  |
Operations and assets by segment |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 562,828 | 486,823 | 421,033
Operating Income (Loss) |  |  |  |  |  |  |  |  | 32,845 | 31,332 | (1,766)
Depreciation |  |  |  |  |  |  |  |  | 18,414 | 19,405 | 19,996
Payments to acquire property, plant, equipment and acquire businesses, net of cash |  |  |  |  |  |  |  |  | 9,588 | 14,608 | 32,903
Assets | 548,032 |  |  |  | 630,134 |  |  |  | 548,032 | 630,134 |
Corporate, Non-Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Operations and assets by segment |  |  |  |  |  |  |  |  |  |  |
Operating Income (Loss) |  |  |  |  |  |  |  |  | (42,796) | (37,967) | (34,318)
Gain (Loss) on Disposition of Business |  |  |  |  |  |  |  |  | (18,632) | 0 | 0
Depreciation |  |  |  |  |  |  |  |  | 1,738 | 1,716 | 1,913
Payments to acquire property, plant, equipment and acquire businesses, net of cash |  |  |  |  |  |  |  |  | 3,112 | 2,962 | 2,020
Assets | 21,167 |  |  |  | 18,346 |  |  |  | 21,167 | 18,346 |
UNITED STATES |  |  |  |  |  |  |  |  |  |  |
Operations and assets by segment |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | 850,656 | 785,194 | 653,150
Property, Plant and Equipment, Net | 190,365 |  |  |  | 189,281 |  |  |  | 190,365 | 189,281 |
Non-US [Member] |  |  |  |  |  |  |  |  |  |  |
Operations and assets by segment |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Net | 6,354 |  |  |  | 3,985 |  |  |  | 6,354 | 3,985 |
CANADA |  |  |  |  |  |  |  |  |  |  |
Operations and assets by segment |  |  |  |  |  |  |  |  |  |  |
Property, Plant and Equipment, Net | $ 16,385 |  |  |  | $ 16,961 |  |  |  | 16,385 | 16,961 |
Other Countries [Member] |  |  |  |  |  |  |  |  |  |  |
Operations and assets by segment |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | $ 211,161 | $ 141,893 | $ 157,280

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