Revenues (Tables)

9 Months Ended

Nov. 30, 2019

Revenues [Abstract]

Disaggregation of Revenue [Table Text Block]

Disaggregated Revenue

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

	Three Months Ended November 30,				Nine Months Ended November 30,
	2019		2018		2019		2018
Net sales:
Industrial - oil and gas, construction, and general	$	195,063	$	143,710	$	499,215	$	415,323
Transmission and distribution	55,316		35,927		184,283		162,033
Power generation	40,760		59,879		132,954		147,183
Total net sales	$	291,139	$	239,516	$	816,452	$	724,539

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

Contract Liabilities

The following table shows the changes in contract liabilities for the nine months ended November 30, 2019 and 2018, respectively (in thousands):

	November 30, 2019			November 30, 2018
Balance at beginning of period	$	56,928		$	22,698
Contract liabilities added during the period	22,237			30,186
Revenue recognized during the period	(52,298		)	(20,140		)
Balance at end of period	$	26,867		$	32,744