Inventories (Tables)

6 Months Ended

Jun. 30, 2020

Inventory, Net [Abstract]

Schedule of Inventories

Components of inventories are as follows (in millions):

	June 30, 2020						December 31, 2019
	Current Assets		Current Liabilities (a)		Inventories, Net		Current Assets		Current Liabilities (a)		Inventories, Net
Separative work units	$	9.2	$	2.9	$	6.3	$	7.8	$	—	$	7.8
Uranium	73.8		4.7		69.1		56.7		5.6		51.1
Total	$	83.0	$	7.6	$	75.4	$	64.5	$	5.6	$	58.9

(a) Inventories owed to customers and suppliers, included in current liabilities, include SWU and uranium inventories owed to fabricators.