Revenues (Tables)

3 Months Ended

May 31, 2020

Revenues [Abstract]

Disaggregation of Revenue [Table Text Block]

Disaggregated Revenue

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

	Three Months Ended May 31,
	2020		2019
Net sales:
Industrial - oil and gas, construction, and general	$	130,109	$	164,800
Transmission and distribution	49,057		72,281
Power generation	34,127		52,042
Total net sales	$	213,293	$	289,123

Contract with Customer, Asset and Liability [Table Text Block]

Contract Liabilities

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

	May 31, 2020		May 31, 2019
Balance at beginning of period	$	18,418	$	56,928
Contract liabilities added during the period	4,796		10,970
Revenue recognized during the period	(5,849)		(45,579)
Balance at end of period	$	17,365	$	22,319