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Revenue - Receivables (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total customer receivables | $ 429.1 | $ 419.0
Unbilled receivables | 9.7 | 10.9
Billed receivables |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total customer receivables | $ 419.4 | $ 408.1

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