Inventories (Tables)

3 Months Ended

Mar. 31, 2019

Inventory Disclosure [Abstract]

Major classes of inventories

Major classes of inventories are summarized as follows:

	March 31, 2019		December 31, 2018
Finished goods	$	261.4	$	211.2
Service parts	222.2		221.6
Raw materials and work in process	179.4		177.3
Total inventories	$	663.0	$	610.1