Inventories (Tables)

12 Months Ended

Dec. 31, 2017

Inventory Disclosure [Abstract]

Schedule of inventory, current

Major components of inventory were as follows (in millions):

	December 31, 2017		December 31, 2016		December 31, 2015
Finished goods	$	454.3	$	431.1	$	537.2
Work in process	152.8		165.7		151.6
Raw materials	199.8		198.2		209.9
Total inventories	$	806.9	$	795.0	$	898.7