Accounting Policies (Details) - Change to Schedule of Consolidated Statements of Operation - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jul. 31, 2023	Apr. 30, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales	$ 193,625	$ 202,548	$ 226,225	$ 396,173	$ 408,545
Gross profit	18,352	10,166	14,103	28,518	26,011
Selling, general and administrative	$ (8,618)	(5,769)	(6,667)	$ (14,387)	(11,866)
Previously Reported [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales		197,685	223,744		406,060
Gross profit		15,029	16,584		28,496
Selling, general and administrative		(10,632)	(9,148)		(14,351)
Revision of Prior Period, Change in Accounting Principle, Adjustment [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales		4,863	2,481		2,485
Gross profit		(4,863)	(2,481)		(2,485)
Selling, general and administrative		$ 4,863	$ 2,481		$ 2,485