Commitments and contingencies (Tables)

9 Months Ended

Sep. 30, 2024

Commitments and contingencies

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 2024.

	Amount
	(In millions)
Balance at the beginning of the period	$	96.9
Additions charged to expense, net		2.2
Payments, net		(2.2)
Balance at the end of the period	$	96.9
Amounts recognized in the Condensed Consolidated Balance Sheet   at the end of the period:
Current liabilities	$	4.1
Noncurrent liabilities		92.8
Total	$	96.9