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Employee Benefit Plans (Tables) | 12 Months Ended
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Jun. 30, 2025
Retirement Benefits [Abstract] |
Schedule of Stock-Based Compensation Expense | The following table represents stock-based compensation expense and related income tax benefits in each of fiscal 2025, 2024, and 2023, respectively:
Years ended June 30, |  | 2025 |  | 2024 |  | 2023
Operating expenses |  | $ | 36.0 |  |  | $ | 30.0 |  |  | $ | 24.6 |
Selling, general and administrative expenses |  | 193.7 |  |  | 179.5 |  |  | 165.0 |
Research and development |  | 36.4 |  |  | 34.0 |  |  | 30.8 |
Total pretax stock-based compensation expense |  | $ | 266.1 |  |  | $ | 243.5 |  |  | $ | 220.4 |
Income tax benefit |  | $ | 66.0 |  |  | $ | 60.2 |  |  | $ | 54.5 |
Schedule of Changes in Stock Options Outstanding | Stock Options:
|  | Number of Options (in thousands) |  | Weighted Average Price (in dollars)
Options outstanding at July 1, 2024 |  | 2,042 |  |  | $ | 159 |
Options granted |  | — |  |  | $ | — |
Options exercised |  | (1,004) |  |  | $ | 154 |
Options forfeited/cancelled |  | (3) |  |  | $ | 207 |
Options outstanding at June 30, 2025 |  | 1,035 |  |  | $ | 164 |
Options exercisable at June 30, 2025 |  | 882 |  |  | $ | 157 |
Schedule of Time Based Restricted Shares and Units | Time-Based Restricted Stock and Time-Based Restricted Stock Units:
|  | Number of Shares (in thousands) |  | Number of Units (in thousands)
Restricted shares/units outstanding at July 1, 2024 |  | 124 |  |  | 1,053 |
Restricted shares/units granted |  | — |  |  | 618 |
Restricted shares/units vested |  | (124) |  |  | (435) |
Restricted shares/units forfeited |  | — |  |  | (62) |
Restricted shares/units outstanding at June 30, 2025 |  | — |  |  | 1,174 |
Schedule of Performance Based Restricted Shares and Units | Performance-Based Restricted Stock and Performance-Based Restricted Stock Units:
|  | Number of Shares (in thousands) |  | Number of Units (in thousands)
Restricted shares/units outstanding at July 1, 2024 |  | 88 |  |  | 753 |
Restricted shares/units granted |  | — |  |  | 305 |
Restricted shares/units vested |  | (58) |  |  | (293) |
Restricted shares/units forfeited |  | (3) |  |  | (14) |
Restricted shares/units outstanding at June 30, 2025 |  | 27 |  |  | 751 |
Schedule of Weighted Average Fair Value of Restricted Stock Granted | The weighted average fair values of shares/units granted were as follows:
Years ended June 30, |  | 2025 |  | 2024 |  | 2023
(in dollars) |  |  |  |  |  |
Performance-based restricted shares/units |  | $ | 283.84 |  |  | $ | 262.56 |  |  | $ | 245.96 |
Time-based restricted shares/units |  | $ | 277.10 |  |  | $ | 255.29 |  |  | $ | 214.75 |
Schedule of Net Funded Status | The Company's pension plans' funded status as of June 30, 2025 and 2024 is as follows:
June 30, |  | 2025 |  | 2024
Change in plan assets: |  |  |  |
Fair value of plan assets at beginning of year |  | $ | 1,879.6 |  |  | $ | 1,854.4 |
Actual return on plan assets |  | 147.7 |  |  | 106.8 |
Employer contributions |  | 20.1 |  |  | 13.4 |
Currency translation adjustments |  | 3.7 |  |  | 0.6 |
Benefits paid |  | (112.9) |  |  | (95.6) |
Fair value of plan assets at end of year |  | $ | 1,938.2 |  |  | $ | 1,879.6 |
Change in benefit obligation: |  |  |  |
Benefit obligation at beginning of year |  | $ | 1,706.2 |  |  | $ | 1,725.8 |
Service cost |  | 6.0 |  |  | 5.2 |
Interest cost |  | 87.4 |  |  | 84.6 |
Actuarial loss/(gain) (a) |  | 26.0 |  |  | (14.6) |
Currency translation adjustments |  | 5.9 |  |  | 0.8 |
Curtailments and special termination benefits |  | (0.3) |  |  | — |
Benefits paid |  | (112.6) |  |  | (95.6) |
Projected benefit obligation at end of year |  | $ | 1,718.6 |  |  | $ | 1,706.2 |
Funded status - plan assets less benefit obligations |  | $ | 219.6 |  |  | $ | 173.4 |
(a) The actuarial loss for fiscal 2025 was primarily due to changes in the discount rate.
Schedule of Amounts Recognized in Balance Sheet | The amounts recognized on the Consolidated Balance Sheets as of June 30, 2025 and 2024 consisted of:
June 30, |  | 2025 |  | 2024
Noncurrent assets |  | $ | 334.2 |  |  | $ | 286.3 |
Current liabilities |  | (5.9) |  |  | (11.1) |
Noncurrent liabilities |  | (108.7) |  |  | (101.8) |
Net amount recognized |  | $ | 219.6 |  |  | $ | 173.4 |
Schedule of Defined Benefit Plan, Plan With Projected Benefit Obligation in Excess of Plan Assets | The Company's pension plans with projected benefit obligations in excess of plan assets as of June 30, 2025 and 2024 had the following projected benefit obligation and fair value of plan assets:
June 30, |  | 2025 |  | 2024
Projected benefit obligation |  | $ | 151.3 |  |  | $ | 143.7 |
Fair value of plan assets |  | $ | 36.7 |  |  | $ | 30.8 |
Schedule of Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets | The Company's pension plans with accumulated benefit obligations in excess of plan assets as of June 30, 2025 and 2024 had the following accumulated benefit obligation and fair value of plan assets:
June 30, |  | 2025 |  | 2024
Accumulated benefit obligation |  | $ | 107.9 |  |  | $ | 108.6 |
Fair value of plan assets |  | $ | 9.2 |  |  | $ | 7.6 |
Schedule of Net Pension (Income)/ Expense | The components of net pension (income)/expense were as follows:
|  | 2025 |  | 2024 |  | 2023
Service cost – benefits earned during the year |  | $ | 6.0 |  |  | $ | 5.2 |  |  | $ | 4.8 |
Interest cost on projected benefits |  | 87.4 |  |  | 84.6 |  |  | 78.2 |
Expected return on plan assets |  | (116.0) |  |  | (115.9) |  |  | (127.5) |
Net amortization and deferral |  | 3.2 |  |  | 2.9 |  |  | 1.9 |
Special termination benefits, plan curtailments, and settlement charges |  | (0.3) |  |  | 0.3 |  |  | — |
Net pension (income)/expense |  | $ | (19.7) |  |  | $ | (22.9) |  |  | $ | (42.6) |
Schedule of Assumptions Used | Assumptions used to determine the actuarial present value of benefit obligations were:
Years ended June 30, |  | 2025 |  | 2024
Discount rate |  | 5.35 | % |  | 5.40 | %
Interest crediting rate |  | 3.85 | % |  | 3.70 | %
Increase in compensation levels |  | N/A |  | N/A
Schedule of Defined Benefit Plan Assumptions Used Calculating Net Pension (Income)/Expense | Assumptions used to determine the net pension (income)/expense generally were:
Years ended June 30, |  | 2025 |  | 2024 |  | 2023
Discount rate |  | 5.40 | % |  | 5.10 | % |  | 4.60 | %
Interest crediting rate |  | 3.70 | % |  | 3.50 | % |  | 3.25 | %
Expected long-term rate of return on assets |  | 6.00 | % |  | 6.00 | % |  | 6.75 | %
Increase in compensation levels |  | N/A |  | N/A |  | N/A
Schedule of Allocation of Plan Assets | The Company's pension plans' asset allocations at June 30, 2025 and 2024 by asset category were as follows:
|  | 2025 |  | 2024
Cash and cash equivalents |  | 5 | % |  | — | %
Fixed income securities |  | 69 | % |  | 63 | %
U.S. equity securities |  | 10 | % |  | 12 | %
International equity securities |  | 5 | % |  | 10 | %
Global equity securities |  | 11 | % |  | 15 | %
|  | 100 | % |  | 100 | %
Schedule of Defined Benefit Plan Target Allocation Percentage | The target asset allocation ranges for the U.S. plan are generally as follows:
U.S. fixed income securities | 60% - 70%
U.S. equity securities | 7% - 17%
International equity securities | 5% - 15%
Global equity securities | 8% - 18%
Schedule of Fair Value, Assets Measured on Recurring Basis | The following table presents the investments of the pension plans measured at fair value at June 30, 2025:
|  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Commingled trusts |  | $ | — |  |  | $ | 501.6 |  |  | $ | — |  |  | $ | 501.6 |
Government securities |  | — |  |  | 532.4 |  |  | — |  |  | 532.4 |
Corporate and municipal bonds |  | — |  |  | 783.6 |  |  | — |  |  | 783.6 |
Mortgage-backed security bonds |  | — |  |  | 15.7 |  |  | — |  |  | 15.7 |
Total pension asset investments |  | $ | — |  |  | $ | 1,833.3 |  |  | $ | — |  |  | $ | 1,833.3 |
The following table presents the investments of the pension plans measured at fair value at June 30, 2024:
|  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Commingled trusts |  | $ | — |  |  | $ | 679.5 |  |  | $ | — |  |  | $ | 679.5 |
Government securities |  | — |  |  | 490.4 |  |  | — |  |  | 490.4 |
Corporate and municipal bonds |  | — |  |  | 695.4 |  |  | — |  |  | 695.4 |
Mortgage-backed security bonds |  | — |  |  | 3.9 |  |  | — |  |  | 3.9 |
Total pension asset investments |  | $ | — |  |  | $ | 1,869.2 |  |  | $ | — |  |  | $ | 1,869.2 |

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