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Other Investments - Additional Information (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2018 | Aug. 31, 2020
Schedule of Equity Method Investments [Line Items] |  |  |  |
Pro-rata share of earnings from equity method investment | $ 2,775 | $ 3,214 | $ 3,594 |
Equity Investment | 73,767 | 76,208 |  |
Equity Investment |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity Investment | 58,800 |  |  |
Equity Investment | Equity Method Investment, Nonconsolidated Investee |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity Investment | $ 58,751 |  |  |
Equity Investment | Equity Method Investment, Nonconsolidated Investee | Variable Interest Entity, Not Primary Beneficiary |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity interest acquired | 93.80% |  |  |
Voting interest | 25.00% |  |  |
Equity Investment | Equity Method Investment, Nonconsolidated Investee | Variable Interest Entity, Not Primary Beneficiary | Subsequent Event |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity interest acquired |  |  |  | 6.20%
Privately-held Company | Equity Investment |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Equity investment in a privately-held company | $ 51,500 |  |  |
Pro-rata share of earnings from equity method investment | $ 1,100 | $ 1,300 |  |

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