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v3.25.4

Pension and Savings Plans - Textual (Details) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2025 USD ($) numberOfPlan | Jun. 30, 2023 | Dec. 31, 2025 USD ($) numberOfPlan | Jun. 30, 2025 | Dec. 31, 2024 USD ($) | Jun. 30, 2024 | Dec. 31, 2023 USD ($)
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |
Defined Benefit Plan Termination, Final Contribution Amount | $ 5.0 |  | $ 5.0 |  |  |  |
Letter of credit release | 37.0 |  | 37.0 |  |  |  |
Pension Plan |  |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |
Defined benefit plan, assets | 106.5 |  | 106.5 |  | $ 104.8 |  |
Funded status at end of period | (8.0) |  | (8.0) |  | (12.8) |  | $ 11.1
Defined Benefit Plan, Benefit Obligation, Payment for Settlement |  |  |  |  |  |  | 443.2
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | 2.1 |  | 2.1 |  |  |  |
Defined Benefit Plan, Benefit Obligation | 114.5 |  | 114.5 |  | 117.6 |  |
2026 | 10.7 |  | 10.7 |  |  |  |
2027 | 10.6 |  | 10.6 |  |  |  |
2028 | 10.4 |  | 10.4 |  |  |  |
2029 | 10.2 |  | 10.2 |  |  |  |
2030 | 10.0 |  | 10.0 |  |  |  |
Years 2031-2035 | 45.6 |  | 45.6 |  |  |  |
Defined Benefit Plan, Expected Future Employer Contributions, Next Fiscal Year | $ 2.1 |  | $ 2.1 |  |  |  |
401(k) plans |  |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |
Number of 401(k) plans | numberOfPlan | 3 |  | 3 |  |  |  |
Defined contribution plan expense |  |  | $ 22.4 |  | 21.7 |  | 21.3
Discretionary contributions to defined contribution plans, granted |  |  | 7.8 |  | 7.8 |  | 7.3
Discretionary contributions to defined contribution plans, paid |  |  | 7.7 |  | 7.7 |  | 4.6
Superannuation |  |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |
Defined contribution plan expense |  |  | 27.0 |  | 25.7 |  | 21.9
Discretionary contributions to defined contribution plans, granted |  |  | 1.6 |  | 2.2 |  | 1.6
Discretionary contributions to defined contribution plans, paid |  |  | $ 2.0 |  | $ 1.9 |  | $ 1.3
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 12.00% | 10.50% |  | 11.50% |  | 11.00% |
Fixed Income Investments |  |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |  |
Plan assets, target allocation, percentage | 100.00% |  | 100.00% |  | 100.00% |  |

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