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v3.25.2

Share-Based Compensation (Narrative) (Details) shares in Thousands, $ in Millions | 2 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 USD ($) | Jun. 30, 2025 USD ($) grantees shares | Jun. 30, 2024 USD ($) shares | Jun. 30, 2023 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Share-Based Payment Arrangement, Plan Modification, Number of Grantees Affected | grantees |  | 4 |  |
Total share-based compensation expense |  | $ 121.0 | $ 121.0 | $ 96.0
Tax benefit related to share-based compensation |  | 14.0 | 16.0 | 12.0
Total expense on employee retirement savings plans |  | 89.0 | 65.0 | 66.0
Share-Based Payment Arrangement, Plan Modification, Incremental Cost |  | 9.0 |  |
Performance Share Units |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total share-based compensation expense |  | 50.0 | 44.0 | 32.0
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount |  | $ 47.0 | $ 46.0 | $ 38.0
Weighted-average period over which stock option compensation cost is expected to be recognized |  | 2 years | 2 years | 2 years
Performance Share Units | Maximum |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Target performance goal (as a percent) |  | 240.00% |  |
Stock Options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Granted (in shares) | shares |  | 0 | 0 | 0
GIA Common Stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Total share-based compensation expense | $ 123.0 | $ 41.0 |  |
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount |  | $ 339.0 |  |
Weighted-average period over which stock option compensation cost is expected to be recognized |  | 2 years |  |
Share-Based Payment Arrangement, Acquisition Related Expense | 120.0 |  |  |
Share-Based Payment Arrangement, Non-Acquisition-Related Expense | $ 3.0 |  |  |
2021 LTIP [Member] |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares available for grant | shares |  | 15,000 |  |
2021 LTIP [Member] | Awards Other than Stock Options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares available for grant | shares |  | 6,000 |  |
2021 LTIP [Member] | Stock Options |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Number of shares available for grant | shares |  | 15,000 |  |

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