Inventories (Tables)

6 Months Ended

Jun. 30, 2017

Inventory Disclosure [Abstract]

Major classes of inventories

Major classes of inventories are summarized as follows:

	June 30, 2017		December 31, 2016
Finished goods	$	339.4	$	330.5
Service parts	251.6		235.2
Raw materials and work in process	188.3		172.0
Total inventories	$	779.3	$	737.7