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Income Taxes (Tables)

9 Months Ended

Sep. 30, 2023

Income Tax Disclosure [Abstract]

Roll-forward of Unrecognized Tax Benefits and Associated Accrued Interest and Penalties

A roll-forward of unrecognized tax benefits and associated accrued interest and penalties is as follows:


(in millions)		Unrecognized Tax Benefits				Interest and Penalties				Total
Opening balance at January 1, 2023		$	10.2			$	3.2			$	13.4
Net change for tax positions of prior periods			—				0.7				0.7
Closing balance at September 30, 2023			10.2				3.9				14.1
Current			—				—				—
Non-current		$	10.2			$	3.9			$	14.1