Inventories (Tables)

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Major classes of inventories

Major classes of inventories are summarized as follows:

	March 31, 2018		December 31, 2017
Finished goods	$	368.1	$	301.9
Service parts	283.8		270.6
Raw materials and work in process	179.4		164.5
Total inventories	$	831.3	$	737.0