Note 12 - Income Taxes (Details Textual) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2021 |
Mar. 31, 2020 |
Mar. 31, 2021 |
Mar. 31, 2020 |
|
| Effective Income Tax Rate Reconciliation, Percent, Total | (0.10%) | 22.20% | 11.40% | 20.70% |
| Income Tax Expense (Benefit), Discrete Tax Items | $ 11.6 | $ 1.4 | $ 19.5 | $ 8.1 |
| Excess Tax Benefit from Share-based Compensation, Operating Activities | 11.7 | 1.5 | 19.7 | 8.5 |
| Income Tax Expense (Benefit), Other Immaterial Discrete Tax Items, Net | $ 0.1 | $ 0.1 | $ 0.2 | $ 0.4 |
| X | ||||||||||
- Definition Represents the income tax expense (benefit) related to discrete tax items. No definition available.
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| X | ||||||||||
- Definition Represents information related to other net immaterial discrete income tax expense (benefit). No definition available.
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| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cash outflow for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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