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Acquisitions - Summary of Unaudited Pro Forma Financial Information Combined Results of Operations (Detail) - AmOne Corp [Member] - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Business Acquisition Pro Forma Information Nonrecurring Adjustment [Line Items]    
Net revenue $ 474,378 $ 440,419
Net income $ 65,445 $ 20,813