Commitments and Contingencies (Tables)

9 Months Ended

Sep. 30, 2023

Commitments And Contingencies Disclosure [Abstract]

Change in Accrued Environmental Remediation and Related Costs

The table below presents a summary of the activity in our accrued environmental costs during the first nine months of 2023.

	Amount
	(In millions)
Balance at the beginning of the period	$	97.3
Additions charged to expense, net		1.0
Payments, net		(2.2)
Balance at the end of the period	$	96.1
Amounts recognized in the Condensed Consolidated Balance Sheet   at the end of the period:
Current liabilities	$	2.8
Noncurrent liabilities		93.3
Total	$	96.1