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Warranty Reserves (Tables)
3 Months Ended
Oct. 31, 2020
Warranty Reserves  
Summary of warranty reserve activity

Three Months Ended

Six Months Ended

    

October 31,

October 26,

October 31,

October 26,

2020

    

2019

    

2020

    

2019

Beginning balance

$

2,031

$

1,849

$

2,015

$

1,704

Warranty expense

 

310

 

534

 

761

 

1,219

Changes in estimates related to pre-existing warranties

(189)

(189)

Warranty costs settled

 

(215)

 

(319)

 

(650)

 

(859)

Ending balance

$

2,126

$

1,875

$

2,126

$

1,875