Pension Benefits (Tables)

9 Months Ended

Jan. 31, 2021

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, 2021 and 2020: 

	Three Months Ended				Nine Months Ended
	January 31,				January 31,
(in thousands)	2021		2020		2021		2020
Interest cost	$	1,165	$	1,493	$	3,496	$	4,480
Expected return on plan assets	(2,107)		(2,082)		(6,322)		(6,245)
Recognized net actuarial loss	441		423		1,321		1,269
Net periodic pension benefit	$	(501)	$	(166)	$	(1,505)	$	(496)