Pension Benefits (Tables)

9 Months Ended

Jan. 31, 2022

Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract]

Net Periodic Pension (Benefit) Cost

Net periodic pension benefit cost consisted of the following for the three- and nine-month periods ended January 31, 2022 and 2021: 

	Three Months Ended				Nine Months Ended
	January 31,				January 31,
(in thousands)	2022		2021		2022		2021
Interest cost	$	450	$	1,165	$	3,148	$	3,496
Expected return on plan assets	(515)		(2,107)		(3,601)		(6,322)
Recognized net actuarial loss	167		441		1,164		1,321
Net periodic pension benefit	$	102	$	(501)	$	711	$	(1,505)