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Revenue - Schedule of Rollforward of Unbilled Receivables (Details) - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Contract with Customer, Asset, Allowance for Credit Loss [Roll Forward] |  |
Beginning balance, January 1 | $ 140.8 | $ 144.5
Additional unbilled revenue recognized | 274.4 | 380.5
Less: amounts billed to customers | (254.5) | (384.2)
Ending balance | $ 160.7 | $ 140.8

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- Definition Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in measure of progress which increases (decreases) right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 10 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-10 + Details
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