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Inventories

3 Months Ended

Mar. 31, 2018

Inventory Disclosure [Abstract]

INVENTORIES

The components of our “Inventories” as of March 31, 2018 and December 31, 2017 are as follows:



		March 31, 2018				December 31, 2017
Raw materials		$	206.9			$	207.6
Work in process		270.2				210.8
Finished goods		164.3				181.6
Supplies		34.3				31.2
Total inventories		$	675.7			$	631.2