Inventories (Tables)

6 Months Ended

Jun. 30, 2016

Inventories

Schedule of inventories

Inventories consisted of the following (in millions):

	June 30,		December 31,
	2016		2015
Raw materials	$	151.9	$	158.8
Work-in-process	187.3		131.1
Finished goods	95.0		93.3
Demonstration units	36.8		38.8
Inventories	$	471.0	$	422.0