Inventories, Net (Tables)

3 Months Ended

Mar. 31, 2021

Inventory Disclosure [Abstract]

Schedule of Inventories, Net

	December 31,		March 31,
	2020		2021
	(In millions)
Raw materials	$	133.2	$	134.7
Work in process		36.8		30.5
Finished products		269.2		229.4
Supplies		79.8		78.4
Total	$	519.0	$	473.0