Inventories

3 Months Ended

Mar. 31, 2020

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consist of the following:

	March 31,		December 31,
	2020		2019
Raw materials	$	210.9	$	216.3
Work-in-process	692.2		727.7
Finished goods	96.4		70.6
Deferred costs	481.4		400.9
	$	1,480.9	$	1,415.5

Deferred costs represent the costs of product manufactured and shipped to the Company's collaborators for which recognition of revenue has been deferred (see Note 3).