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Other Investments - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Jun. 30, 2019
Schedule of Equity Method Investments [Line Items]          
Pro-rata share of earnings (losses) from equity method investment     $ 1,777 $ 2,778  
Voting interest     25.00%    
Equity Investment $ 73,618   $ 73,618   $ 76,208
Equity Investment          
Schedule of Equity Method Investments [Line Items]          
Equity Investment $ 58,300   $ 58,300   $ 57,600
Privately-held Company          
Schedule of Equity Method Investments [Line Items]          
Equity investment, ownership percentage 93.80%   93.80%    
Aggregate cost of equity method investments $ 51,700   $ 51,700    
Pro-rata share of earnings (losses) from equity method investment $ 600 $ (200) $ 700 $ 1,800