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Consolidated Statements of Cash Flows (Parenthetical) - USD ($)
$ in Millions
Sep. 30, 2024
Sep. 30, 2023
Cash, cash equivalents, and restricted cash at end of period:    
Cash and cash equivalents $ 147.7 $ 442.6
Restricted cash, non-current 8.9 9.9
Total cash, cash equivalents, and restricted cash $ 156.6 $ 452.5