Inventories (Tables)

12 Months Ended

Dec. 31, 2017

Inventory Disclosure [Abstract]

Components of inventories

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

	As of December 31,
	2017			2016
Finished goods	$	331.9		$	287.2
Work in process	5.5			5.1
Raw materials and parts	199.2			183.4
Total	536.6			475.7
Excess of current cost over last-in, first-out cost	(52.4		)	(57.2		)
Total inventories, net	$	484.2		$	418.5