Inventories (Tables)

12 Months Ended

Dec. 31, 2019

Inventories [Abstract]

Schedule of Current Inventory

Inventories are comprised of the following:

	December 31
	2018		2019
Raw materials	$	948.8	$	868.3
Work in progress	101.5		77.1
Finished goods	39.6		46.8
	$	1,089.9	$	992.2