Inventories (Tables)

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

Schedule of Inventory

The components of inventories are as follows:

(In millions)	March 31, 2018		December 31, 2017
Finished goods	$	834.4	$	926.1
Work-in-progress	1,704.3		1,574.0
Raw materials	802.1		791.4
	$	3,340.8	$	3,291.5