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Description Of Business And Summary Of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |
Capitalized Computer Software, Additions | $ 7.2 | $ 10.6
Derivative, Notional Amount | 215.7 |
Derivative, Gain (Loss) on Derivative, Net | 9.8 |
Gain (Loss), Foreign Currency Transaction, before Tax | $ 14.7 |
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Nonoperating Gains (Losses) |
Building Improvements [Member] |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful life of property and equipment (years) | 10 years |
Maximum [Member] |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |
RegistrationTerm | ten |
Maximum [Member] | Buildings [Member] |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful life of property and equipment (years) | 47 years |
Maximum [Member] | Computer Equipment, Purchased Software, Office Equipment, And Furniture And Fixtures [Member] |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful life of property and equipment (years) | 5 years |
Minimum [Member] |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |
RegistrationTerm | one |
Minimum [Member] | Buildings [Member] |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful life of property and equipment (years) | 35 years |
Minimum [Member] | Computer Equipment, Purchased Software, Office Equipment, And Furniture And Fixtures [Member] |  |
Description Of Business And Summary Of Significant Accounting Policies [Line Items] |  |
Estimated useful life of property and equipment (years) | 3 years |

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