Inventories (Tables)

9 Months Ended

Sep. 30, 2021

Inventory Disclosure [Abstract]

Components of inventories

The components of inventories are as follows (in millions):

	As of September 30, 2021		As of December 31, 2020
Finished goods	$	264.1	$	280.1
Work in process	9.6		6.5
Raw materials and parts	254.7		207.8
Subtotal	528.4		494.4
Excess of current cost over last-in, first-out cost	(67.4)		(55.0)
Total inventories, net	$	461.0	$	439.4