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ACCRUED WARRANTY - Warranty Obligations (Detail) - USD ($)
$ in Thousands
9 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]    
Warranty accrual, beginning balance $ 4,538 $ 4,518
Accruals for warranties issued during the period 6,680 5,828
Changes in liability for pre-existing warranties during the period (1,114) 408
Settlements made during the period (5,351) (6,210)
Warranty accrual, ending balance $ 4,753 $ 4,544