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Statements Of Consolidated Cash Flows (Schedule of Balance Sheet Reconciliation) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Cash and Cash Equivalents, at Carrying Value $ 40.8 $ 84.2 $ 116.5  
Restricted cash 34.6 10.7 9.1  
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents $ 75.4 $ 94.9 $ 125.6 $ 148.4