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CONSOLIDATED BALANCE SHEETS - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Current Assets    
Cash and cash equivalents $ 168.5 $ 193.8
Accounts receivable, net 12.5 29.1
Inventories 89.4 91.1
Deferred costs associated with deferred revenue 143.3 143.3
Other current assets 9.4 8.6
Total current assets 423.1 465.9
Property, Plant and Equipment, Net 5.5 5.3
Deposits for financial assurance 12.2 2.8
Intangible assets, net 53.6 54.7
Deferred Tax Assets, Net 41.2 41.4
Other long-term assets 2.0 2.3
Total Assets 537.6 572.4
Current Liabilities    
Accounts payable and accrued liabilities 33.7 37.8
Accounts payable under purchase agreements 9.6 37.9
Inventories owed to customers and suppliers 0.3 8.4
Contract with Customer, Liability, Current 302.8 303.1
Current debt 6.1 6.1
Total current liabilities 352.5 393.3
Long-term debt 98.8 101.8
Postretirement health and life benefit obligations 113.5 114.9
Pension benefit liabilities 19.6 23.1
Advances from customer, noncurrent 45.1 45.1
Long-term SWU Loan 31.8 22.4
Other long-term liabilities 9.3 13.7
Liabilities 670.6 714.3
Commitments and contingencies (Note 11)
Stockholders' Deficit    
Preferred stock 0.0 0.0
Excess of capital over par value 150.1 140.7
Accumulated deficit (285.0) (284.6)
Accumulated other comprehensive income (loss), net of tax 0.4 0.5
Stockholders' Equity (133.0) (141.9)
Total Liabilities and Stockholders’ Equity (Deficit) 537.6 572.4
Common Class A [Member]    
Stockholders' Deficit    
Common stock 1.4 1.4
Common Class B [Member]    
Stockholders' Deficit    
Common stock $ 0.1 $ 0.1