Product Warranty (Tables)

3 Months Ended

Jul. 31, 2022

Product Warranties Disclosures [Abstract]

Schedule of Warranty Liability

The following is a reconciliation of the Company's warranty liability, which is included in other accrued expenses on the unaudited condensed consolidated balance sheets: 

	Three Months Ended
	July 31,
(in thousands)	2023		2022
Beginning balance at May 1	$	8,014	$	6,878
Accrual	5,108		9,095
Settlements	(5,521)		(8,109)
Ending balance at July 31	$	7,601	$	7,864