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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 |  |

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