Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2022	Oct. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 28,784	$ 2,030	$ 48,854	$ 5,011
Other comprehensive income, net of tax:
Change in pension benefits, net of deferred taxes of $125 and $251, for the three and six months ended October 31, 2021, respectively	0	373	0	746
Change in Cash flow hedges (swap), net of deferred taxes of $1,783 and $641, and $1,350 and $641 for the three and six months ended October 31, 2022 and 2021, respectively	5,265	2,465	3,987	1,892
Total Comprehensive Income	$ 34,049	$ 4,868	$ 52,841	$ 7,649