Inventories

6 Months Ended

Jun. 30, 2018

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories are stated at the lower of cost and net realizable value. The components of inventories are as follows:

(In millions)	June 30, 2018		December 31, 2017
Finished goods	$	951.0	$	926.1
Work-in-progress	1,601.8		1,574.0
Raw materials	800.5		791.4
	$	3,353.3	$	3,291.5