Inventories (Tables)

9 Months Ended

Sep. 30, 2021

Inventory Disclosure [Abstract]

Components of inventories

The components of inventories at September 30, 2021 and December 31, 2020 were as follows:

	September 30, 2021		December 31, 2020
Manufacturing supplies	$	36.7	$	34.8
Raw materials	123.1		99.5
Work in process	383.6		320.3
Finished products	491.9		441.2
Subtotal	1,035.3		895.8
Allowance for obsolete and surplus inventory	(61.2)		(54.5)
Total Inventories, net	$	974.1	$	841.3