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Products, Services and Other Revenues (Schedule Of Receivables And Customer Deposits Related To Contracts With Customers) (Details) - USD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023
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Contracts with customers [Member] |  |
Receivables [Line Items] |  |
Accounts Receivable, before Allowance for Credit Loss | $ 615.8 | $ 616.4

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