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v3.25.2

Debt - Narrative (Details) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2025 USD ($) note | Sep. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) note | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Number of fixed rate notes issued | note | 4 |  | 4 |  |
Debt instrument, face amount | $ 4,000.0 |  | $ 4,000.0 |  |
Notional amount of derivatives terminated | 1,000.0 | $ 1,000.0 |  |  |
Unamortized loss on cash flow hedges | 3.0 | 12.5 | 15.6 | $ 0.0 | $ 0.0
Long-term debt, fair value | 3,801.5 |  | $ 3,801.5 |  |
Derivative Instrument, Termination One |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notional amount of derivatives terminated | 300.0 | 400.0 |  |  |
Derivative Instrument, Termination Two |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notional amount of derivatives terminated | 100.0 | 600.0 |  |  |
Derivative Instrument, Termination Three |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Notional amount of derivatives terminated | $ 600.0 |  |  |  |
Fixed-rate 4.450% notes due September 9, 2034 | Senior Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount |  | $ 1,000.0 |  |  |
Interest rate, stated percentage | 4.45% | 4.45% | 4.45% |  |
Fixed-rate 4.750% notes due May 8, 2032 | Senior Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, face amount | $ 1,000.0 |  | $ 1,000.0 |  |
Interest rate, stated percentage | 4.75% |  | 4.75% |  |
Fixed-rate 3.375% notes due September 15, 2025 | Senior Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate, stated percentage | 3.375% |  | 3.375% |  |
Redeemed amount | $ 1,000.0 |  | $ 1,000.0 |  |
Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, term |  |  | 7 years |  |
Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, term |  |  | 10 years |  |

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