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Income Taxes - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2023
Income Taxes [Line Items] |  |  |
Increase to net earnings from tax holidays and tax incentives program | $ 67.4 | $ 49.6 | $ 40.5
Increase to net earnings per diluted share from tax holidays and tax incentives program (in dollars per share) | $ 0.46 | $ 0.34 | $ 0.27
Undistributed earnings | $ 4,700.0 |  |
Australian Taxation Office |  |  |
Income Taxes [Line Items] |  |  |
Percentage of recognized tax benefit for uncertain tax position | 50.00% |  |
Domestic Tax Authority |  |  |
Income Taxes [Line Items] |  |  |
Operating loss carryforwards | $ 6.0 |  |
Foreign Tax Authority |  |  |
Income Taxes [Line Items] |  |  |
Operating loss carryforwards | 8.4 |  |
State and Local Jurisdiction |  |  |
Income Taxes [Line Items] |  |  |
Amount of deferred taxes that would have been recognized if the earnings has not been permanently reinvested | 5.9 |  |
Valuation Allowance | Foreign Tax Authority |  |  |
Income Taxes [Line Items] |  |  |
Operating loss carryforwards | 0.6 |  |
Capital loss | 28.8 |  |
Capital loss and other | $ 0.6 |  |

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- Definition Amount of deferred tax liability not recognized because of the exceptions to comprehensive recognition of deferred taxes related to undistributed earnings of foreign subsidiaries. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 740 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478822/944-740-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482603/740-30-50-2 + Details
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