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Revenues (Additional Information) (Detail) - USD ($)
$ in Millions
9 Months Ended
Mar. 31, 2020
Jun. 30, 2019
Mar. 31, 2019
Disaggregation of Revenue [Line Items]      
Revenue recognized included in the deferred revenue $ 91.0    
Allowance for bad debts $ 24.2 $ 14.5 $ 11.0
Maximum      
Disaggregation of Revenue [Line Items]      
Revenue practical expedient remaining performance obligation 1 year