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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Millions | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Current Assets |  |
Cash and cash equivalents | $ 179.7 | $ 234.0
Accounts receivable, net | 55.9 | 26.5
Inventories | 211.3 | 319.2
Deferred costs associated with deferred revenue | 72.7 | 63.1
Other current assets | 15.1 | 15.2
Total current assets | 534.7 | 658.0
Property, Plant and Equipment, Net | 4.9 | 3.5
Deposits for surety bonds | 29.8 | 29.8
Intangible assets | 102.5 | 105.8
Other long-term assets | 23.0 | 23.0
Total Assets | 694.9 | 820.1
Current Liabilities |  |
Accounts payable and accrued liabilities | 35.8 | 44.8
Payables under SWU purchase agreements | 24.4 | 85.4
Inventories owed to customers and suppliers | 47.9 | 106.8
Deferred revenue | 97.7 | 83.9
Decontamination and decommissioning obligations | 29.4 | 29.4
Total current liabilities | 235.2 | 350.3
Long-term debt | 253.9 | 247.0
Postretirement health and life benefit obligations | 184.0 | 184.3
Pension benefit liabilities | 171.5 | 172.3
Other long-term liabilities | 30.5 | 31.9
Total liabilities | $ 875.1 | $ 985.8
Commitments and contingencies (Note 13) |  |
Total stockholders’ equity (deficit) | $ (180.2) | $ (165.7)
Total Liabilities and Stockholders’ Equity (Deficit) | $ 694.9 | $ 820.1

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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 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant