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Supplemental Financial Information (Accounts Receivable, Net) (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Trade receivables | $ 508.1 | $ 463.9
Income Taxes Receivable | 50.9 | 93.6
Allowance for doubtful accounts | (15.7) | (14.8)
Accounts receivable, net | 492.4 | 449.1
Trade |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Trade receivables | 435.5 | 345.7
Other Accounts Receivable |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Trade receivables | $ 21.7 | $ 24.6

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