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Fair Value Measurements (Financial Assets And Liabilities Measured At Fair Value) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Mar. 31, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Deferred compensation plan investments (1) | $ 135.0 | [1] |  | $ 134.1
Participant Withdrawals From Deferred Compensation Plan Investments | 4.7 |  | $ 17.7 |
Level 1 [Member] |  |  |  |
Deferred compensation plan investments (1) | 135.0 | [1] |  | 134.1
Level 2 [Member] |  |  |  |
Deferred compensation plan investments (1) | 0.0 | [1] |  | 0.0
Level 3 [Member] |  |  |  |
Deferred compensation plan investments (1) | 0.0 | [1] |  | 0.0
Fair Value Hedging |  |  |  |
Hedged Asset, Fair Value Hedge | 6.7 |  |  | 5.3
Fair Value Hedging | Level 1 [Member] |  |  |  |
Hedged Asset, Fair Value Hedge | 0.0 |  |  | 0.0
Fair Value Hedging | Level 2 [Member] |  |  |  |
Hedged Asset, Fair Value Hedge | 6.7 |  |  | 5.3
Fair Value Hedging | Level 3 [Member] |  |  |  |
Hedged Asset, Fair Value Hedge | $ 0.0 |  |  | $ 0.0
[1] | Approximately $4.7 million and $17.7 million of participant cash was withdrawn from our deferred compensation plan investments during the three months ended March 31, 2025 and the year ended December 31, 2024, respectively.

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