Inventories (Tables)

9 Months Ended

Sep. 30, 2018

Inventory Disclosure [Abstract]

Summary of inventory

Inventories are summarized as follows:

(in millions)	September 30, 2018		December 31, 2017
Raw materials and supplies	$	191.6	$	198.3
Work in process and finished goods	436.1		421.9
Total inventories	$	627.7	$	620.2