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Product Warranties (Tables)
 9 Months Ended
Jan. 25, 2020
Product Warranties Disclosures [Abstract]  
Reconciliation of changes in product warranty liability
A reconciliation of the changes in our product warranty liability is as follows:
 
 
Quarter Ended
 
Nine Months Ended
(Unaudited, amounts in thousands)
 
01/25/20
 
01/26/19
 
01/25/20
 
01/26/19
Balance as of the beginning of the period
 
$
23,081

 
$
25,197

 
$
22,736

 
$
21,205

Acquisitions
 
—

 
—

 
—

 
4,100

Accruals during the period
 
6,321

 
5,660

 
17,746

 
16,270

Settlements during the period
 
(6,057
)
 
(5,560
)
 
(17,137
)
 
(16,278
)
Balance as of the end of the period
 
$
23,345

 
$
25,297

 
$
23,345

 
$
25,297