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Revenue Recognition (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Revenues [Abstract] |  |  |  |
Deferred Revenue, Revenue Recognized |  | $ 818.4 |  |
Concentration Risk [Line Items] |  |  |  |
.tv Deferred Revenue Recognized | $ 8.4 |  |  |
Customer Concentration Risk [Member] | Concentration Risk Benchmark [Domain] | Other Customer |  |  |  |
Concentration Risk [Line Items] |  |  |  |
Concentration Risk, Percentage |  | 32.00% | 33.00% | 34.00%

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