CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017
Current Assets
Cash and cash equivalents	$ 124.9	$ 208.8
Accounts receivable, net	2.5	60.2
Inventories	129.4	153.1
Deferred costs associated with deferred revenue	122.7	122.3
Deposits for financial assurance	30.2	16.3
Other current assets	6.9	6.2
Total current assets	416.6	566.9
Property, Plant and Equipment, Net	4.4	4.9
Deposits for surety bonds	6.2	19.7
Intangible assets	78.1	82.7
Other long-term assets	0.7	1.1
Total Assets	506.0	675.3
Current Liabilities
Accounts payable and accrued liabilities	46.9	48.2
Payables under SWU purchase agreements	14.6	79.4
Inventories owed to customers and suppliers	70.2	77.9
Deferred revenue and advances from customers	175.6	191.8
Current debt	39.1	6.1
Total current liabilities	346.4	403.4
Long-term debt	120.2	157.5
Postretirement health and life benefit obligations	150.9	154.2
Pension benefit liabilities	143.5	161.6
Advances from customers	14.5	0.0
Other long-term liabilities	8.0	17.5
Total liabilities	783.5	894.2
Commitments and contingencies (Note 11)
Stockholders' Deficit
Excess of capital over par value	60.3	60.0
Accumulated deficit	(343.3)	(284.5)
Accumulated other comprehensive income (loss), net of tax	0.0	0.1
Total stockholders' deficit	(277.5)	(218.9)
Total Liabilities and Stockholders’ Equity (Deficit)	506.0	675.3
Preferred Series B [Member]
Stockholders' Deficit
Preferred stock	4.6	4.6
Common Class A [Member]
Stockholders' Deficit
Common stock	0.8	0.8
Common Class B [Member]
Stockholders' Deficit
Common stock	$ 0.1	$ 0.1