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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Jun. 30, 2021
Dec. 31, 2020
Current Assets    
Cash and cash equivalents $ 176.0 $ 152.0
Accounts receivable, net 19.0 29.6
Inventories 86.5 64.8
Deferred costs associated with deferred revenue 137.2 151.9
Other current assets 7.2 7.8
Total current assets 425.9 406.1
Property, Plant and Equipment, Net 5.1 4.9
Deposits for surety bonds 5.7 5.7
Intangible assets 59.1 62.8
Other long-term assets 4.8 6.8
Total Assets 500.6 486.3
Current Liabilities    
Accounts payable and accrued liabilities 38.7 50.6
Payables under SWU purchase agreements 29.0 21.3
Inventories owed to customers and suppliers 0.3 4.9
Deferred revenue 276.0 283.2
Current debt 6.1 6.1
Total current liabilities 350.1 366.1
Long-term debt 104.9 108.0
Postretirement health and life benefit obligations 126.2 130.8
Pension benefit liabilities 114.4 124.4
Advances from customer, noncurrent 45.1 45.2
Other long-term liabilities 31.3 32.4
Total liabilities 772.0 806.9
Commitments and contingencies (Note 11)
Stockholders' Deficit    
Excess of capital over par value 125.1 85.0
Accumulated deficit (398.6) (407.7)
Accumulated other comprehensive income (loss), net of tax 0.6 0.8
Total stockholders' deficit (271.4) (320.6)
Total Liabilities and Stockholders’ Equity (Deficit) 500.6 486.3
Preferred Series B [Member]    
Stockholders' Deficit    
Preferred stock 0.1 0.1
Common Class A [Member]    
Stockholders' Deficit    
Common stock 1.3 1.1
Common Class B [Member]    
Stockholders' Deficit    
Common stock $ 0.1 $ 0.1