v3.26.1
CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Cash Flows from Operating Activities    
Net income (loss) $ 26.8 $ 56.1
Adjustments to reconcile net income (loss) to net cash (used in) operating activities:    
Depreciation and amortization 5.1 5.4
Deferred tax assets 7.0 15.5
Equity related compensation 18.1 4.7
Revaluation of inventory borrowing (0.6) 3.6
Gain (Loss) on Extinguishment of Debt 0.0 (11.8)
Amortization of Debt Issuance Costs and Discounts 2.7 0.0
Other Operating Activities, Cash Flow Statement 0.2 1.3
Changes in operating assets and liabilities:    
Accounts receivable – (increase) decrease 5.1 48.6
Inventories – (increase) decrease (92.5) (221.5)
Increase Decrease in Inventories Owed to Suppliers 43.0 111.2
Increase (Decrease) in Prepaid Expenses, Other (0.6) 1.3
Accounts payable and other liabilities – increase (decrease) (5.3) (6.1)
Payables under SWU purchase agreements – increase (decrease) 16.4 97.6
Deferred revenue, net of deferred costs – increase (decrease) (38.4) (12.6)
Pension and postretirement liabilities - increase (decrease) (3.7) (3.9)
Other, net 0.0 (0.1)
Net Cash (Used in) Operating Activities (16.7) 89.3
Cash Flows Provided by Investing Activities    
Capital expenditures (94.8) (5.7)
Cash Provided by (Used in) Investing Activity, Including Discontinued Operation (94.8) (5.7)
Cash Flows Used in Financing Activities    
Proceeds from the sale of common stock, net 53.9 139.9
Payment of interest classified as debt 0.0 (3.5)
Payment, Tax Withholding, Share-based Payment Arrangement (0.4) (2.5)
Repayments of Convertible Debt 0.0 (74.3)
Net Cash (Used in) Financing Activities 53.5 59.6
Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation (0.2) (0.2)
Decrease in cash, cash equivalents and restricted cash (58.2) 143.0
Cash, cash equivalents and restricted cash, start of period 1,960.1 704.0
Cash, cash equivalents and restricted cash, end of period 1,901.9 847.0
Interest Paid, Excluding Capitalized Interest, Operating Activity 4.5 4.4
Income Tax Paid, Federal, after Refund Received 0.0 0.0
Income Tax Paid, State and Local, after Refund Received 0.2 0.3
Income Tax Paid, Foreign, after Refund Received 0.0 0.0
Supplemental Cash Flow Information:    
Reclassification of equity-based compensation from equity to liability 0.8 0.0
Property, plant and equipment included in accounts payable and accrued liabilities [Member]    
Supplemental Cash Flow Information:    
Other Significant Noncash Transaction, Value of Consideration Given (21.0) (0.6)
Adjustment to Right of Use Lease due to Modification [Domain]    
Supplemental Cash Flow Information:    
Other Significant Noncash Transaction, Value of Consideration Given $ 0.0 $ (1.3)