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Other Noncurrent Liabilities (Tables)

12 Months Ended

Dec. 31, 2022

Other Liabilities Disclosure [Abstract]

Components of Other Noncurrent Liabilities

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​	​	​	​	​	​	​
​		December 31,
​		2021			2022
​	​	(In millions)
Accrued postretirement benefits	​	$	8.4	​	$	5.9
Employee benefits	​		6.1	​		4.8
Other	​		13.5	​		9.8
Total	​	$	28.0	​	$	20.5

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- Definition

Tabular disclosure of other noncurrent liabilities.

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