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Other (Income)/Expense, Net (Tables) | 9 Months Ended
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Mar. 31, 2026
Other Income and Expenses [Abstract] |
Schedule of Other (Income)/Expense, Net |
| Three Months Ended |  | Nine Months Ended
| March 31, |  | March 31,
| 2026 |  | 2025 |  | 2026 |  | 2025
Interest income on corporate funds | $ | (63.8) |  |  | $ | (55.9) |  |  | $ | (262.2) |  |  | $ | (231.5) |
Realized (gains)/losses on available-for-sale securities, net | (1.9) |  |  | 0.1 |  |  | (3.1) |  |  | 0.8 |
Gain on sale of assets | — |  |  | — |  |  | — |  |  | (2.4) |
Non-service components of pension income, net (see Note 12) | (7.2) |  |  | (7.9) |  |  | (21.3) |  |  | (23.4) |
Net (gain)/loss on ADP Ventures' investments | (2.1) |  |  | — |  |  | (4.3) |  |  | — |
Other (income)/loss, net | $ | (75.0) |  |  | $ | (63.7) |  |  | $ | (290.9) |  |  | $ | (256.5) |

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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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