Stock-Based Compensation Plans Stock-Based Compensation Plans (Schedule Of Future Share-Based Compensation Cost) (Details) $ in Millions	Mar. 31, 2025 USD ($)
Share-Based Payment Arrangement [Abstract]
Remainder of 2025	$ 35.9
2026	40.2
2027	31.8
2028	25.8
2029	18.3
Thereafter	74.3
Total Projected Stock-Based Compensation Expense	$ 226.3

Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs After Four Years

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Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs In Four Years

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Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs In Three Years

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Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs In Two Years

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Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs Next Year

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Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs Remainder of Year

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Employee Service Share Based Compensation Estimated Allocation Of Recognized Period Costs Total

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