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Acquired Intangibles and Goodwill - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]        
Acquired intangibles amortization $ 11,100,000 $ 18,000,000.0 $ 29,300,000 $ 38,000,000.0
Changes in goodwill     0  
Cost of Revenue [Member]        
Finite-Lived Intangible Assets [Line Items]        
Acquired intangibles amortization $ 8,200,000 $ 15,100,000 $ 23,500,000 $ 32,100,000