XML 41 R59.htm IDEA: XBRL DOCUMENT v3.19.3
Warranty Reserves (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Oct. 26, 2019
Oct. 27, 2018
Oct. 26, 2019
Oct. 27, 2018
Warranty Reserves        
Beginning balance $ 1,849 $ 3,138 $ 1,704 $ 2,090
Warranty expense 534 (249) 1,219 361
Changes in estimates related to pre-existing warranties (189) (219) (189) 493
Warranty costs settled (319) (239) (859) (513)
Ending balance $ 1,875 $ 2,431 $ 1,875 $ 2,431