Other Noncurrent Liabilities (Tables)

9 Months Ended

Sep. 30, 2022

Other Liabilities Disclosure [Abstract]

Components of Other Noncurrent Liabilities

	December 31,		September 30,
	2021		2022
	(In millions)
Accrued postretirement benefits	$	8.4	$	7.9
Employee benefits		6.1		5.0
Other		13.5		11.2
Total	$	28.0	$	24.1