Fair Value of Financial Instruments - Schedule of Changes in Level 3 Financial Liabilities (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | ||||
| Beginning balance | $ 14.0 | $ 7.6 | $ 14.0 | $ 12.0 |
| Fair Value Recurring Basis Unobservable Input Reconciliation Liability Gain Loss Statement Of Income Extensible List Not Disclosed Flag | Net increase in contingent consideration liability | Net increase in contingent consideration liability | Net increase in contingent consideration liability | Net increase in contingent consideration liability |
| Net increase in contingent consideration liability | $ 0.0 | $ 0.0 | $ 0.0 | $ 0.8 |
| Foreign currency impact on contingent consideration liability | 0.0 | 0.1 | 0.0 | 0.0 |
| Payments | 0.0 | 0.0 | 0.0 | (5.2) |
| Ending balance | $ 14.0 | $ 7.7 | $ 14.0 | $ 7.7 |