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Summary Of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Schedule of Cash and Cash Equivalents [Table Text Block]

The following table provides a reconciliation of cash and cash equivalents and restricted cash and cash equivalents reported in our consolidated balance sheets to the total shown in our consolidated statements of cash flows:

(In millions)			As of December 31,
			2022						2021						2020
Cash and cash equivalents			$	7.7					$	23.3					$	16.0
Restricted cash and cash equivalents			410.0						410.9						380.2
Total cash and cash equivalents and restricted cash and cash equivalents			$	417.7					$	434.2					$	396.2

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Tabular disclosure of the components of cash and cash equivalents.

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