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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions | 6 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Cash Flows from Operating Activities |  |
Net income (loss) | $ 16.7 | $ 45.0
Adjustments to reconcile net income (loss) to net cash (used in) operating activities: |  |
Depreciation and amortization | 4.0 | 3.4
Changes in operating assets and liabilities: |  |
Accounts receivable – (increase) decrease | 10.6 | (10.1)
Inventories, net – (increase) decrease | (11.1) | 0.2
Accounts payable and other liabilities – increase (decrease) | 1.6 | (1.8)
Payables under SWU purchase agreements – increase (decrease) | 7.8 | (5.1)
Deferred revenue, net of deferred costs – increase (decrease) | (7.8) | (19.3)
Accrued loss on long-term contract, increase (decrease) | (4.7) | (5.3)
Pension and postretirement liabilities - increase (decrease) | (14.8) | (16.6)
Other, net | 0.6 | 1.2
Net Cash (Used in) Operating Activities | 2.9 | (8.4)
Cash Flows Provided by Investing Activities |  |
Capital expenditures | (0.7) | (0.1)
Net Cash Provided by (Used in) Investing Activities | (0.7) | (0.1)
Cash Flows Used in Financing Activities |  |
Proceeds from the sale of common stock, net | 27.2 | 0.0
Payment of interest classified as debt | (3.1) | (3.1)
Exercise of stock options | 0.4 | 0.2
Payments for deferred financing costs |  | 0.0
Payments of equity issuance costs | (0.3) | 0.0
Payment, Tax Withholding, Share-based Payment Arrangement | (2.4) | 0.0
Net Cash (Used in) Financing Activities | 21.8 | (2.9)
Decrease in cash, cash equivalents and restricted cash | 24.0 | (11.4)
Cash, cash equivalents and restricted cash, start of period | 157.9 | 136.6
Cash, cash equivalents and restricted cash, end of period | 181.9 | 125.2
Supplemental Cash Flow Information: |  |
Conversion of interest payable-in-kind to long-term debt | 7.5 | 0.0
Disposal of right to use lease assets for early termination [Member] |  |
Supplemental Cash Flow Information: |  |
Other Significant Noncash Transaction, Value of Consideration Given | (1.0) | 0.0
Reclassification of stock-based compensation liability to equity [Member] |  |
Supplemental Cash Flow Information: |  |
Other Significant Noncash Transaction, Value of Consideration Given | (7.5) | 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 | $ (0.1) | $ 0.0

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