Revenues (Tables)

6 Months Ended

Aug. 31, 2020

Revenues [Abstract]

Disaggregation of Revenue

Disaggregated Sales

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

	Three Months Ended August 31,				Six Months Ended August 31,
	2020		2019		2020		2019
Sales:
Industrial	$	67,112	$	139,352	$	197,220	$	304,152
Transmission and distribution	97,619		56,686		146,676		128,967
Power generation	38,641		40,152		72,768		92,194
Total sales	$	203,372	$	236,190	$	416,664	$	525,313

Contract with Customer, Asset and Liability

Contract Liabilities

The following table shows the changes in contract liabilities for the six months ended August 31, 2020 and 2019, respectively (in thousands):

	August 31, 2020		August 31, 2019
Balance at beginning of period	$	18,418	$	56,928
Contract liabilities added during the period	2,738		18,234
Sales recognized during the period	(7,400)		(51,504)
Balance at end of period	$	13,756	$	23,658