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Warranty Reserves (Tables)
9 Months Ended
Jan. 25, 2020
Warranty Reserves  
Summary of warranty reserve activity

Three Months Ended

Nine Months Ended

    

January 25,

January 26,

January 25,

January 26,

2020

    

2019

    

2020

    

2019

Beginning balance

$

1,875

$

2,431

$

1,704

$

2,090

Warranty expense

 

250

 

53

 

1,469

 

414

Changes in estimates related to pre-existing warranties

(189)

519

Warranty costs settled

 

(289)

 

(354)

 

(1,148)

 

(893)

Ending balance

$

1,836

$

2,130

$

1,836

$

2,130