Debt	3 Months Ended
Mar. 31, 2015
Debt Disclosure [Abstract]
Debt	DEBT On the Effective Date and pursuant to the Plan of Reorganization, all of the Company’s convertible senior notes that were issued and outstanding immediately prior to the Effective Date were cancelled and the Company issued 8.0% paid-in-kind toggle notes (the “PIK Toggle Notes”) pursuant to the Indenture. The PIK Toggle Notes were issued in an initial aggregate principal amount of $240.4 million. No cash was received related to the issuance. The principal amount may be increased by any payment of interest in the form of PIK payments, as elected by the Company. The PIK Toggle Notes pay interest at a rate of 8.0% per annum. Interest is payable semi-annually in arrears based on a 360-day year consisting of twelve 30-day months. The Company has elected to pay 3.0% per annum of interest due on the PIK Toggle Notes for the interest periods ending on March 31, 2015 and September 30, 2015 in the form of PIK payments. As such, interest for the semi-annual period ended March 31, 2015 was paid as $3.6 million in PIK payments and $6.0 million in cash, and the principal balance increased accordingly to $244.0 million as of March 31, 2015. For any interest payment date from October 1, 2015 through the maturity of the PIK Toggle Notes, the Company has the option to pay up to 5.5% per annum of interest due on the PIK Toggle Notes in the form of PIK payments. The PIK Toggle Notes will mature on September 30, 2019. However, the maturity date shall be extended to September 30, 2024 upon the satisfaction of certain funding conditions described in the Indenture relating to the funding, under binding agreements, of (i) the American Centrifuge project or (ii) the implementation and deployment of a National Security Train Program utilizing American Centrifuge technology and delivery of a maturity date extension notice. The PIK Toggle Notes rank equally in right of payment with all existing and future unsubordinated indebtedness of the Company (other than the Issuer Senior Debt as defined below) and are senior in right of payment to all existing and future subordinated indebtedness of the Company. The PIK Toggle Notes are subordinated in right of payment to certain indebtedness and obligations of the Company described in the Indenture (the “Issuer Senior Debt”), including (i) any indebtedness of the Company under a future credit facility, (ii) obligations of, and claims against, the Company under any equity investment (or any commitment to make an equity investment) with respect to the financing of the American Centrifuge project, (iii) obligations of, and claims against, the Company under any arrangement with DOE, export credit agencies or any other lenders or insurers with respect to the financing or government support of the American Centrifuge project and (iv) indebtedness of the Company to Enrichment Corp. under the Centrus Intercompany Note. The Company incurred offering expenses of $0.7 million related to the issuance of the PIK Toggle Notes. These costs are deferred and are being amortized on a straight-line basis, which approximates the effective interest method, over the life of the PIK Toggle Notes. The deferred financing cost balance, included in other long-term assets, was $0.6 million at March 31, 2015.

DEBT

On the Effective Date and pursuant to the Plan of Reorganization, all of the Company’s convertible senior notes that were issued and outstanding immediately prior to the Effective Date were cancelled and the Company issued 8.0% paid-in-kind toggle notes (the “PIK Toggle Notes”) pursuant to the Indenture. The PIK Toggle Notes were issued in an initial aggregate principal amount of $240.4 million. No cash was received related to the issuance. The principal amount may be increased by any payment of interest in the form of PIK payments, as elected by the Company.

The PIK Toggle Notes pay interest at a rate of 8.0% per annum. Interest is payable semi-annually in arrears based on a 360-day year consisting of twelve 30-day months. The Company has elected to pay 3.0% per annum of interest due on the PIK Toggle Notes for the interest periods ending on March 31, 2015 and September 30, 2015 in the form of PIK payments. As such, interest for the semi-annual period ended March 31, 2015 was paid as $3.6 million in PIK payments and $6.0 million in cash, and the principal balance increased accordingly to $244.0 million as of March 31, 2015. For any interest payment date from October 1, 2015 through the maturity of the PIK Toggle Notes, the Company has the option to pay up to 5.5% per annum of interest due on the PIK Toggle Notes in the form of PIK payments.

The PIK Toggle Notes will mature on September 30, 2019. However, the maturity date shall be extended to September 30, 2024 upon the satisfaction of certain funding conditions described in the Indenture relating to the funding, under binding agreements, of (i) the American Centrifuge project or (ii) the implementation and deployment of a National Security Train Program utilizing American Centrifuge technology and delivery of a maturity date extension notice.

The PIK Toggle Notes rank equally in right of payment with all existing and future unsubordinated indebtedness of the Company (other than the Issuer Senior Debt as defined below) and are senior in right of payment to all existing and future subordinated indebtedness of the Company. The PIK Toggle Notes are subordinated in right of payment to certain indebtedness and obligations of the Company described in the Indenture (the “Issuer Senior Debt”), including (i) any indebtedness of the Company under a future credit facility, (ii) obligations of, and claims against, the Company under any equity investment (or any commitment to make an equity investment) with respect to the financing of the American Centrifuge project, (iii) obligations of, and claims against, the Company under any arrangement with DOE, export credit agencies or any other lenders or insurers with respect to the financing or government support of the American Centrifuge project and (iv) indebtedness of the Company to Enrichment Corp. under the Centrus Intercompany Note.

The Company incurred offering expenses of $0.7 million related to the issuance of the PIK Toggle Notes. These costs are deferred and are being amortized on a straight-line basis, which approximates the effective interest method, over the life of the PIK Toggle Notes. The deferred financing cost balance, included in other long-term assets, was $0.6 million at March 31, 2015.