Inventories (Tables)

6 Months Ended

Jun. 30, 2015

Inventories

Schedule of inventories

Inventories consisted of the following (in millions):

	June 30,		December 31,
	2015		2014
Raw materials	$	180.2	$	159.5
Work-in-process	156.0		169.5
Finished goods	113.3		109.9
Demonstration units	36.8		38.5
Inventories	$	486.3	$	477.4