Product Warranty (Tables)

3 Months Ended

Jul. 31, 2015

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 balance sheet: 

	Three Months Ended
	July 31,
(in thousands)	2015			2014
Beginning balance at May 1	$	2,643		$	1,910
Accrual	3,756			3,938
Settlements	(3,522		)	(3,362		)
Ending balance at July 31	$	2,877		$	2,486