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Sales (Tables) | 9 Months Ended
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Nov. 30, 2020
Revenues [Abstract] |
Disaggregation of Revenue | Disaggregated Sales The following table presents disaggregated sales by customer industry (in thousands):
|  | Three Months Ended November 30, |  | Nine Months Ended November 30,
|  | 2020 |  | 2019 |  | 2020 |  | 2019
Sales: |  |  |  |  |  |  |  |
Industrial |  | $ | 138,240 |  |  | $ | 195,063 |  |  | $ | 335,462 |  |  | $ | 499,215 |
Transmission and distribution |  | 56,656 |  |  | 55,316 |  |  | 203,332 |  |  | 184,283 |
Power generation |  | 31,727 |  |  | 40,760 |  |  | 104,493 |  |  | 132,954 |
Total sales |  | $ | 226,623 |  |  | $ | 291,139 |  |  | $ | 643,287 |  |  | $ | 816,452 |
Contract with Customer, Asset and Liability | The following table shows the changes in contract liabilities for the nine months ended November 30, 2020 and 2019, respectively (in thousands):
|  | 2020 |  | 2019
Balance at February 29, |  | $ | 18,418 |  |  | $ | 56,928 |
Contract liabilities added during the period |  | 5,017 |  |  | 22,237 |
Sales recognized during the period |  | (11,914) |  |  | (52,298) |
Balance at November 30, |  | $ | 11,521 |  |  | $ | 26,867 |

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- Definition Tabular disclosure of contract balances and changes in contract balances. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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