Inventories (Tables)

12 Months Ended

Dec. 31, 2014

Inventories

Schedule of inventories

        Inventories consisted of the following at December 31, (in millions):

	2014		2013
Raw materials	$	159.5	$	189.7
Work-in-process		169.5		196.5
Finished goods		109.9		155.3
Demonstration units		38.5		48.3
Inventories	$	477.4	$	589.8