Inventories (Tables)

6 Months Ended

Jun. 30, 2020

Inventory Disclosure [Abstract]

Components of Inventories

At the end of each period, inventories were comprised of the following:

(in millions)	June 30, 2020		December 31, 2019
Raw materials	$	33.7	$	23.3
Work-in-process	37.2		40.3
Finished goods	32.8		37.4
Total inventories	$	103.7	$	101.0