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Income Taxes - Additional Information (Detail) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Jun. 30, 2018
Income Tax Contingency [Line Items] |  |  |
U.S. statutory rate | 21.00% |  |
Effective income tax rate | 15.50% | 30.90% |
Unrecognized tax benefits that would impact effective tax rate | $ 9.8 |  | $ 9.9
Interest and penalties accrued | 0.2 |  | $ 0.6
Liability for uncertain tax positions that would impact the effective tax rate if recognized | $ 2.4 |  |
United States Internal Revenue Service | Earliest Tax Year |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax year remain open to examination | 2017 |  |
United States Internal Revenue Service | Latest Tax Year |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax year remain open to examination | 2019 |  |
State Jurisdictions | Earliest Tax Year |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax year remain open to examination | 2014 |  |
State Jurisdictions | Latest Tax Year |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax year remain open to examination | 2019 |  |
Foreign Taxing Jurisdictions | Earliest Tax Year |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax year remain open to examination | 2009 |  |
Foreign Taxing Jurisdictions | Latest Tax Year |  |  |
Income Tax Contingency [Line Items] |  |  |
Tax year remain open to examination | 2019 |  |
Subsidiaries in Philippines |  |  |
Income Tax Contingency [Line Items] |  |  |
Income tax examination, year(s) under examination | 2017 |  |
Subsidiary in Germany | Earliest Tax Year |  |  |
Income Tax Contingency [Line Items] |  |  |
Income tax examination, year(s) under examination | 2012 |  |
Subsidiary in Germany | Latest Tax Year |  |  |
Income Tax Contingency [Line Items] |  |  |
Income tax examination, year(s) under examination | 2015 |  |
Subsidiary in New Jersey | Earliest Tax Year |  |  |
Income Tax Contingency [Line Items] |  |  |
Income tax examination, year(s) under examination | 2014 |  |
Subsidiary in New Jersey | Latest Tax Year |  |  |
Income Tax Contingency [Line Items] |  |  |
Income tax examination, year(s) under examination | 2017 |  |

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