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Employee Benefit Plans UK Pension Assets, Fair Value Measurement by Input Level (Details) - Pension Plan - Foreign Plan - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Diversified Growth Assets |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | $ 64.7 | $ 35.4
Diversified Growth Assets | Fair Value, Inputs, Level 1 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 64.7 | 25.6
Diversified Growth Assets | Fair Value, Inputs, Level 2 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 0.0 | 0.0
Diversified Growth Assets | Fair Value, Inputs, Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 0.0 | 0.0
Diversified Growth Assets | Fair Value Measured at Net Asset Value Per Share |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 0.0 | 9.8
Liability Driven Investments |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 56.3 |
Liability Driven Investments | Fair Value, Inputs, Level 1 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 0.0 |
Liability Driven Investments | Fair Value, Inputs, Level 2 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 56.3 |
Liability Driven Investments | Fair Value, Inputs, Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 0.0 |
Liability Driven Investments | Fair Value Measured at Net Asset Value Per Share |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 0.0 |
Fixed Interest and Index-linked Securities [Member] |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount |  | 50.5
Fixed Interest and Index-linked Securities [Member] | Fair Value, Inputs, Level 1 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount |  | 50.5
Fixed Interest and Index-linked Securities [Member] | Fair Value, Inputs, Level 2 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount |  | 0.0
Fixed Interest and Index-linked Securities [Member] | Fair Value, Inputs, Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount |  | 0.0
Fixed Interest and Index-linked Securities [Member] | Fair Value Measured at Net Asset Value Per Share |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount |  | 0.0
Alternative Investments |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 30.9 | 34.5
Alternative Investments | Fair Value, Inputs, Level 1 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 0.0 | 0.0
Alternative Investments | Fair Value, Inputs, Level 2 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 0.0 | 0.0
Alternative Investments | Fair Value, Inputs, Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 0.0 | 0.0
Alternative Investments | Fair Value Measured at Net Asset Value Per Share |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 30.9 | 34.5
Cash and Cash Equivalents |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 2.6 | 5.3
Cash and Cash Equivalents | Fair Value, Inputs, Level 1 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 2.6 | 5.3
Cash and Cash Equivalents | Fair Value, Inputs, Level 2 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 0.0 | 0.0
Cash and Cash Equivalents | Fair Value, Inputs, Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 0.0 | 0.0
Cash and Cash Equivalents | Fair Value Measured at Net Asset Value Per Share |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 0.0 | 0.0
Total Invested Assets |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 154.5 | 125.7
Total Invested Assets | Fair Value, Inputs, Level 1 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 67.3 | 81.4
Total Invested Assets | Fair Value, Inputs, Level 2 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 56.3 | 0.0
Total Invested Assets | Fair Value, Inputs, Level 3 |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | 0.0 | 0.0
Total Invested Assets | Fair Value Measured at Net Asset Value Per Share |  |
Defined Benefit Plans and Other Postretirement Benefit Plans |  |
Defined Benefit Plan, Plan Assets, by Investment Category, Amount | $ 30.9 | $ 44.3

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