Sales (Tables)

3 Months Ended

May 31, 2021

Revenues [Abstract]

Disaggregation of Revenue

Disaggregated Sales

The following table presents disaggregated sales by customer industry (in thousands):

	Three Months Ended May 31,
	2021		2020
Sales:
Industrial	$	153,983	$	130,109
Transmission and distribution	43,667		49,057
Power generation	32,176		34,127
Total sales	$	229,826	$	213,293

Contract with Customer, Asset and Liability

The following table shows the changes in contract liabilities for the three months ended May 31, 2021 and 2020, respectively (in thousands):

	2021		2020
Balance at February 28/29,	$	16,138	$	18,418
Contract liabilities added during the period	12,375		4,796
Sales recognized during the period	(11,415)		(5,849)
Balance at May 31,	$	17,098	$	17,365