Income Taxes - Summary of Reconciliation Unrecognized Tax Benefits (Detail) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Jun. 30, 2021 |
Jun. 30, 2020 |
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| Income Tax Uncertainties [Abstract] | ||
| Balance, beginning of year | $ 0.8 | $ 13.9 |
| Current year additions to positions | 2.6 | 0.0 |
| Additions from business combinations | 1.7 | 0.0 |
| Lapse of applicable statute of limitations | (0.1) | (13.1) |
| Foreign currency translation adjustments | 0.0 | |
| Balance, end of year | $ 5.0 | $ 0.8 |
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- References No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in unrecognized tax benefits resulting from acquisitions. No definition available.
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- Definition Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of increase in unrecognized tax benefits resulting from foreign currency translation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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