Product Warranties (Tables)

9 Months Ended

Jan. 27, 2018

Product Warranties

Reconciliation of changes in product warranty liability

	Quarter Ended						Nine Months Ended
(Unaudited, amounts in thousands)	1/27/18			1/28/17			1/27/18			1/28/17
Balance as of the beginning of the period	$	21,606		$	20,902		$	21,870		$	20,511
Accruals during the period	4,654			5,168			14,155			15,022
Settlements during the period	(4,954		)	(4,846		)	(14,719		)	(14,309		)
Balance as of the end of the period	$	21,306		$	21,224		$	21,306		$	21,224