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Accounts Receivable (Other Table) (Details) (USD $) In Millions, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Accounts Receivable and Other Current Assets |  |
Prepayments to American Centrifuge Suppliers |  | $ 21.1
Prepaid taxes, power purchases and insurance | 4.0 | 29.4
Deferred financing costs for credit facility | 3.0 | 2.4
Other current assets | 12.2 | 11.9
Other current assets, total | $ 19.2 | $ 64.8

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