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SCHEDULE II (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2018
Allowance for doubtful accounts |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Year | $ 1,292 | $ 837 | $ 1,314
Charged to Expense | 956 | 548 | (129)
Charged to Other Accounts | 0 | 0 | 0
Deduction from Reserves | (550) | (93) | (348)
Balance at End of Year | 1,698 | 1,292 | 837
Warranty reserves |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Year | 4,478 | 4,679 | 4,546
Charged to Expense | 11,507 | 4,185 | 3,821
Charged to Other Accounts | 37,453 | 0 | 0
Deduction from Reserves | (25,818) | (4,386) | (3,688)
Balance at End of Year | 27,620 | 4,478 | 4,679
Deferred tax asset valuation allowance |  |  |
SEC Schedule, 12-09, Valuation and Qualifying Accounts Disclosure [Line Items] |  |  |
Balance at Beginning of Year | 20,190 | 21,797 | 42,562
Charged to Expense | (2,186) | (1,607) | (4,602)
Charged to Other Accounts | 36,555 | 0 | (16,163)
Deduction from Reserves | 0 | 0 | 0
Balance at End of Year | $ 54,559 | $ 20,190 | $ 21,797

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