CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Current Assets
Cash and cash equivalents	$ 119.3	$ 130.7
Accounts receivable, net	31.2	21.1
Inventories	83.0	64.5
Deferred costs associated with deferred revenue	145.4	144.1
Other current assets	7.2	9.2
Total current assets	386.1	369.6
Property, Plant and Equipment, Net	3.6	3.7
Deposits for surety bonds	5.7	5.7
Intangible assets	66.4	69.5
Other long-term assets	7.1	7.4
Total Assets	468.9	455.9
Current Liabilities
Accounts payable and accrued liabilities	49.7	50.7
Payables under SWU purchase agreements	3.0	8.1
Inventories owed to customers and suppliers	7.6	5.6
Deferred revenue	248.2	266.3
Current debt	6.1	6.1
Total current liabilities	314.6	336.8
Long-term debt	111.0	114.1
Postretirement health and life benefit obligations	132.4	138.6
Pension benefit liabilities	131.6	141.8
Advances from customer, noncurrent	44.4	29.4
Other long-term liabilities	26.6	32.1
Total liabilities	760.6	792.8
Commitments and contingencies (Note 11)
Stockholders' Deficit
Excess of capital over par value	61.9	61.5
Accumulated deficit	(360.0)	(405.0)
Accumulated other comprehensive income (loss), net of tax	0.9	1.1
Total stockholders' deficit	(291.7)	(336.9)
Total Liabilities and Stockholders’ Equity (Deficit)	468.9	455.9
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