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Income Taxes (Detail Textual) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Jun. 30, 2019
Income Tax Disclosure [Abstract] |  |  |  |  |
Liability for unrecognized tax benefits | $ 1.8 |  | $ 1.8 |  | $ 1.5
Unrecognized tax benefit that would impact the company's effective tax rate | $ 1.8 |  | $ 1.8 |  |
Effective tax rate, percentage | 17.10% | 26.10% | 17.70% | 19.70% |

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