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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Current Assets    
Cash and cash equivalents $ 152.0 $ 130.7
Accounts receivable, net 29.6 21.1
Inventories 64.8 64.5
Deferred costs associated with deferred revenue 151.9 144.1
Other current assets 7.8 9.2
Total current assets 406.1 369.6
Property, Plant and Equipment, Net 4.9 3.7
Deposits for surety bonds 5.7 5.7
Intangible assets 62.8 69.5
Other long-term assets 6.8 7.4
Total Assets 486.3 455.9
Current Liabilities    
Accounts payable and accrued liabilities 50.6 50.7
Payables under SWU purchase agreements 21.3 8.1
Inventories owed to customers and suppliers 4.9 5.6
Deferred revenue and advances from customers 283.2 266.3
Current debt 6.1 6.1
Total current liabilities 366.1 336.8
Long-term debt 108.0 114.1
Postretirement health and life benefit obligations 130.8 138.6
Pension benefit liabilities 124.4 141.8
Advances from customers 45.2 29.4
Other long-term liabilities 32.4 32.1
Total liabilities 806.9 792.8
Commitments and contingencies (Note 11)
Stockholders' Deficit    
Preferred stock 4.6  
Excess of capital over par value 85.0 61.5
Accumulated deficit (407.7) (405.0)
Accumulated other comprehensive income (loss), net of tax 0.8 1.1
Total stockholders' deficit (320.6) (336.9)
Total Liabilities and Stockholders’ Equity (Deficit) 486.3 455.9
Preferred Series B [Member]    
Stockholders' Deficit    
Preferred stock 0.1 4.6
Common Class A [Member]    
Stockholders' Deficit    
Common stock 1.1 0.8
Common Class B [Member]    
Stockholders' Deficit    
Common stock $ 0.1 $ 0.1