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CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified | Dec. 31, 2011 | Dec. 31, 2010
--- | --- | ---
Current Assets |  |
Cash and cash equivalents | $ 37.6 | $ 151.0
Accounts receivable, net | 162.0 | 308.6
Inventories |  |
Separative work units | 1,048.6 | 947.4
Uranium | 690.0 | 562.5
Materials and supplies | 13.4 | 12.6
Total Inventories | 1,752.0 | 1,522.5
Deferred income taxes, net of valuation allowance |  | 47.5
Deferred costs associated with deferred revenue | 175.5 | 152.9
Other current assets | 64.8 | 71.6
Total Current Assets | 2,191.9 | 2,254.1
Property, Plant and Equipment, net | 1,187.1 | 1,231.4
Other Long-Term Assets |  |
Deferred income taxes, net of valuation allowance |  | 204.5
Deposits for surety bonds | 151.3 | 140.8
Deferred financing costs, net | 12.2 | 10.6
Goodwill | 6.8 | 6.8
Total Other Long-Term Assets | 170.3 | 362.7
Total Assets | 3,549.3 | 3,848.2
Current Liabilities |  |
Accounts payable and accrued liabilities | 120.1 | 172.4
Payables under Russian Contract | 206.9 | 201.2
Inventories owed to customers and suppliers | 870.1 | 715.8
Deferred revenue and advances from customers | 205.2 | 179.1
Credit facility term loan | 85.0 |
Convertible preferred stock, current, 85,900 shares issued | 88.6 |
Total Current Liabilities | 1,575.9 | 1,268.5
Long-Term Debt | 530.0 | 660.0
Convertible Preferred Stock, non-current, 75,800 shares issued |  | 78.2
Other Long-Term Liabilities |  |
Depleted uranium disposition | 145.2 | 125.4
Postretirement health and life benefit obligations | 207.8 | 178.7
Pension benefit liabilities | 258.3 | 145.4
Other liabilities | 79.7 | 78.2
Total Other Long-Term Liabilities | 691.0 | 527.7
Commitments and Contingencies (Note 16) |  |
Stockholders' Equity |  |
Common stock, par value $.10 per share, 250,000,000 shares authorized, 130,273,000 and 123,320,000 shares issued | 13.0 | 12.3
Excess of capital over par value | 1,212.5 | 1,172.8
Retained earnings (deficit) | (210.8) | 329.9
Treasury stock, 7,082,000 and 8,090,000 shares | 49.4 | 57.1
Accumulated other comprehensive loss, net of tax | (212.9) | (144.1)
Total Stockholders' Equity | 752.4 | 1,313.8
Total Liabilities and Stockholders' Equity | $ 3,549.3 | $ 3,848.2

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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A3 -Appendix A Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=6228006&loc=d3e74512-122707 + Details
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- Definition The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Technical Bulletin (FTB) -Number 85-6 -Paragraph 3 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 + Details
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- Definition Cost of SWU and uranium inventories owed related to the transfer of title from USEC to customer at fabricator whereby fabricator has elected to order less material from USEC than is required. Amounts owed are satisfied when fabricator orders future bulk deliveries. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of separative work unit ("SWU") inventory. SWU is held as the SWU component of low enriched uranium. A SWU is the standard measure of uranium enrichment using a standard formula derived from the physics of enrichment. SWU costs are based on production costs and purchase costs. SWU inventory is valued at the lower of cost or market. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of uranium inventory. Uranium is held in the form of natural uranium and as the uranium component of low enriched uranium. Uranium inventory is valued at the lower of cost or market. + References No definition available. + Details
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