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Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($)
12 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]      
Goodwill impairment charge $ 0 $ 0  
Goodwill $ 205,713,000 $ 206,101,000 $ 200,024,000