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Inventories (Tables)

9 Months Ended

Sep. 30, 2019

Inventory, Net [Abstract]

Schedule of Inventories

	September 30, 2019				December 31, 2018
Raw materials	$	88.4			$	100.7
Work-in-process	50.7				49.5
Finished goods	36.2				47.3
Operating and other supplies	147.0				146.3
Total inventories	$	322.3			$	343.8

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- Definition

Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production process.

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