Sales Disaggregated Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
May 31, 2022	May 31, 2021
Disaggregation of Revenue [Line Items]
Revenues	$ 314,398	$ 229,826
Industrial (General industry, Oil & Gas and Construction)
Disaggregation of Revenue [Line Items]
Revenues	207,502	153,983
Transmission and distribution
Disaggregation of Revenue [Line Items]
Revenues	72,312	43,667
Power generation
Disaggregation of Revenue [Line Items]
Revenues	$ 34,584	$ 32,176

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details