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Commitment and Contingencies (Details) (USD $) In Millions, except Per Share data, unless otherwise specified | 6 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2015 | Sep. 30, 2014
ACTDO DOE Funding – Increment 1 |  | $ 33.7
ACTDO DOE Funding – Exercised Contract Total |  | 75.3
ACTDO DOE Funding – Monthly | 6.9 | 6.7
ACTDO DOE Funding – Option | 41.7 |
ACTDO DOE Funding – Total | 117 |
Decontamination and Decommisioning Obligation, Noncurrent |  | 22.6
Cash collateralized surety bonds |  | 29.4
NYSE 30-day Average Minimum Market Capitalization |  | 50
NYSE Minimum 30 Day Average Closing Price |  | $ 1.00
PBGC estimate of potential Portsmouth pension liability |  | $ 130

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- Definition ACTDO DOE Funding – Exercised Contract Total + References No definition available. + Details
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- Definition ACTDO DOE Funding – Increment 1 + References No definition available. + Details
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- Definition Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849 + Details
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