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Income Taxes - Reconciliation of Beginning and Ending Amounts of Unrecognized Tax Benefits (Detail) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Income Tax Disclosure [Abstract]      
Unrecognized Tax Benefits, Beginning Balance $ 4,236 $ 3,727 $ 3,256
Gross increases - current period tax positions 535 406 467
Gross increases - prior period tax positions 0 106 10
Gross decreases - prior period tax positions (7) 0 0
Reductions as a result of lapsed statute of limitations (8) (3) (6)
Unrecognized Tax Benefits, Ending Balance $ 4,756 $ 4,236 $ 3,727